diff --git a/services/backup/Cargo.lock b/services/backup/Cargo.lock
--- a/services/backup/Cargo.lock
+++ b/services/backup/Cargo.lock
@@ -404,6 +404,17 @@
  "syn 2.0.29",
 ]
 
+[[package]]
+name = "async-trait"
+version = "0.1.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -653,7 +664,7 @@
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "tower",
  "tracing",
@@ -754,6 +765,51 @@
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -790,7 +846,7 @@
  "serde_json",
  "tokio",
  "tokio-stream",
- "tonic-build",
+ "tonic-build 0.8.4",
  "tracing",
  "tracing-actix-web",
  "tracing-futures",
@@ -991,6 +1047,7 @@
  "derive_more",
  "futures-core",
  "futures-util",
+ "grpc_clients",
  "http",
  "rand",
  "reqwest",
@@ -1352,6 +1409,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic",
+ "tonic-build 0.9.2",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.21"
@@ -1477,10 +1546,22 @@
  "http",
  "hyper",
  "log",
- "rustls",
+ "rustls 0.20.8",
  "rustls-native-certs",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
+]
+
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
 ]
 
 [[package]]
@@ -1670,6 +1751,12 @@
  "regex-automata 0.1.10",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -2202,6 +2289,18 @@
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-native-certs"
 version = "0.6.3"
@@ -2223,6 +2322,22 @@
  "base64 0.21.2",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.15"
@@ -2450,6 +2565,12 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "tempfile"
 version = "3.8.0"
@@ -2546,6 +2667,16 @@
  "windows-sys",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.1.0"
@@ -2573,11 +2704,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.7",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.14"
@@ -2603,6 +2744,37 @@
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.21.2",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "rustls-pemfile",
+ "tokio",
+ "tokio-rustls 0.24.1",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tonic-build"
 version = "0.8.4"
@@ -2616,6 +2788,19 @@
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -2624,9 +2809,13 @@
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.3",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
diff --git a/services/backup/Dockerfile b/services/backup/Dockerfile
--- a/services/backup/Dockerfile
+++ b/services/backup/Dockerfile
@@ -13,6 +13,7 @@
 ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
 
 # Copy actual application sources
+COPY shared ../../shared/
 COPY services/comm-services-lib ../comm-services-lib
 COPY services/backup ./
 
diff --git a/services/blob/Cargo.lock b/services/blob/Cargo.lock
--- a/services/blob/Cargo.lock
+++ b/services/blob/Cargo.lock
@@ -352,13 +352,13 @@
 
 [[package]]
 name = "async-trait"
-version = "0.1.58"
+version = "0.1.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e805d94e6b5001b651426cf4cd446b1ab5f319d27bab5c644f61de0a804360c"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.103",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -667,7 +667,7 @@
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
- "rustls",
+ "rustls 0.20.7",
  "tokio",
  "tower",
  "tracing",
@@ -787,7 +787,7 @@
 checksum = "acee9fd5073ab6b045a275b3e709c163dd36c90685219cb21804a147b58dba43"
 dependencies = [
  "async-trait",
- "axum-core",
+ "axum-core 0.2.9",
  "bitflags",
  "bytes",
  "futures-util",
@@ -795,7 +795,7 @@
  "http-body",
  "hyper",
  "itoa",
- "matchit",
+ "matchit 0.5.0",
  "memchr",
  "mime",
  "percent-encoding",
@@ -809,6 +809,34 @@
  "tower-service",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core 0.3.4",
+ "bitflags",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit 0.7.3",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum-core"
 version = "0.2.9"
@@ -825,6 +853,23 @@
  "tower-service",
 ]
 
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -889,8 +934,8 @@
  "serde",
  "tokio",
  "tokio-stream",
- "tonic",
- "tonic-build",
+ "tonic 0.8.2",
+ "tonic-build 0.8.2",
  "tracing",
  "tracing-actix-web",
  "tracing-futures",
@@ -1054,6 +1099,7 @@
  "derive_more",
  "futures-core",
  "futures-util",
+ "grpc_clients",
  "http",
  "rand",
  "serde",
@@ -1445,6 +1491,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic 0.9.2",
+ "tonic-build 0.9.2",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.17"
@@ -1588,10 +1646,10 @@
  "http",
  "hyper",
  "log",
- "rustls",
+ "rustls 0.20.7",
  "rustls-native-certs",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
 ]
 
 [[package]]
@@ -1699,9 +1757,9 @@
 
 [[package]]
 name = "itoa"
-version = "1.0.4"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "jobserver"
@@ -1812,6 +1870,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73cbba799671b762df5a175adf59ce145165747bb891505c43d09aefbbf38beb"
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "md-5"
 version = "0.10.5"
@@ -2087,9 +2151,9 @@
 
 [[package]]
 name = "prost"
-version = "0.11.2"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a0841812012b2d4a6145fae9a6af1534873c32aa67fff26bd09f8fa42c83f95a"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
 dependencies = [
  "bytes",
  "prost-derive",
@@ -2097,9 +2161,9 @@
 
 [[package]]
 name = "prost-build"
-version = "0.11.2"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d8b442418ea0822409d9e7d047cbf1e7e9e1760b172bf9982cf29d517c93511"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
 dependencies = [
  "bytes",
  "heck",
@@ -2119,9 +2183,9 @@
 
 [[package]]
 name = "prost-derive"
-version = "0.11.2"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "164ae68b6587001ca506d3bf7f1000bfa248d0e1217b618108fba4ec1d0cc306"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
 dependencies = [
  "anyhow",
  "itertools",
@@ -2132,11 +2196,10 @@
 
 [[package]]
 name = "prost-types"
-version = "0.11.2"
+version = "0.11.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "747761bc3dc48f9a34553bf65605cf6cb6288ba219f3450b4275dbd81539551a"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
 dependencies = [
- "bytes",
  "prost",
 ]
 
@@ -2293,6 +2356,18 @@
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-native-certs"
 version = "0.6.2"
@@ -2314,6 +2389,22 @@
  "base64 0.13.1",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.11"
@@ -2684,11 +2775,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.7",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.7",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.14"
@@ -2722,7 +2823,7 @@
 dependencies = [
  "async-stream",
  "async-trait",
- "axum",
+ "axum 0.5.17",
  "base64 0.13.1",
  "bytes",
  "futures-core",
@@ -2746,6 +2847,37 @@
  "tracing-futures",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum 0.6.20",
+ "base64 0.21.0",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "rustls-pemfile",
+ "tokio",
+ "tokio-rustls 0.24.1",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tonic-build"
 version = "0.8.2"
@@ -2759,6 +2891,19 @@
  "syn 1.0.103",
 ]
 
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.103",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
diff --git a/services/blob/Dockerfile b/services/blob/Dockerfile
--- a/services/blob/Dockerfile
+++ b/services/blob/Dockerfile
@@ -14,6 +14,7 @@
 
 
 # Copy actual application sources
+COPY shared ../../shared/
 COPY services/comm-services-lib ../comm-services-lib
 COPY services/blob ./
 
diff --git a/services/comm-services-lib/Cargo.lock b/services/comm-services-lib/Cargo.lock
--- a/services/comm-services-lib/Cargo.lock
+++ b/services/comm-services-lib/Cargo.lock
@@ -8,7 +8,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "617a8268e3537fe1d8c9ead925fca49ef6400927ee7bc26750e90ecee14ce4b8"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-core",
  "futures-sink",
@@ -46,7 +46,7 @@
  "actix-utils",
  "ahash 0.8.3",
  "base64 0.21.0",
- "bitflags",
+ "bitflags 1.3.2",
  "brotli",
  "bytes",
  "bytestring",
@@ -364,6 +364,39 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -613,7 +646,7 @@
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "tower",
  "tracing",
@@ -714,6 +747,51 @@
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -757,6 +835,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -890,6 +974,7 @@
  "derive_more",
  "futures-core",
  "futures-util",
+ "grpc_clients",
  "http",
  "rand",
  "reqwest",
@@ -1095,6 +1180,12 @@
  "cfg-if",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.2"
@@ -1125,6 +1216,12 @@
  "instant",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flate2"
 version = "1.0.27"
@@ -1263,6 +1360,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic",
+ "tonic-build",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.17"
@@ -1275,7 +1384,7 @@
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.2",
  "slab",
  "tokio",
  "tokio-util",
@@ -1288,6 +1397,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.2"
@@ -1309,6 +1430,15 @@
  "digest",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -1376,10 +1506,22 @@
  "http",
  "hyper",
  "log",
- "rustls",
+ "rustls 0.20.8",
  "rustls-native-certs",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
+]
+
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
 ]
 
 [[package]]
@@ -1442,7 +1584,17 @@
 checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.0",
 ]
 
 [[package]]
@@ -1480,6 +1632,15 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6"
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.5"
@@ -1537,6 +1698,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a9bad9f94746442c783ca431b22403b519cd7fbeed0533fdd6328b2f2212128"
+
 [[package]]
 name = "local-channel"
 version = "0.1.3"
@@ -1574,6 +1741,21 @@
  "cfg-if",
 ]
 
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata",
+]
+
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -1617,6 +1799,12 @@
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
 [[package]]
 name = "native-tls"
 version = "0.2.11"
@@ -1635,6 +1823,16 @@
  "tempfile",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1691,7 +1889,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "729b745ad4a5575dd06a3e1af1414bd330ee561c01b3899eb584baeaa8def17e"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -1735,6 +1933,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4030760ffd992bef45b0ae3f10ce1aba99e33464c90d14dd7c039884963ddc7a"
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1776,6 +1980,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "petgraph"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.0.0",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.0.12"
@@ -1832,6 +2046,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "prettyplease"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+dependencies = [
+ "proc-macro2",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.66"
@@ -1841,6 +2065,60 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 1.0.109",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.32"
@@ -1886,7 +2164,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -1900,6 +2178,15 @@
  "regex-syntax",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.28"
@@ -1982,14 +2269,27 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62b24138615de35e32031d041a09032ef3487a616d901ca4db224e7d557efae2"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.3.8",
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7db8590df6dfcd144d22afd1b83b36c21a18d7cbc1dc4bb5295a8712e9eb662"
+dependencies = [
+ "bitflags 2.4.0",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.4.7",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "rustls"
 version = "0.20.8"
@@ -2002,6 +2302,18 @@
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-native-certs"
 version = "0.6.2"
@@ -2023,6 +2335,22 @@
  "base64 0.21.0",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.12"
@@ -2066,7 +2394,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -2163,6 +2491,15 @@
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -2247,6 +2584,12 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "tempfile"
 version = "3.5.0"
@@ -2256,7 +2599,7 @@
  "cfg-if",
  "fastrand",
  "redox_syscall",
- "rustix",
+ "rustix 0.37.3",
  "windows-sys 0.45.0",
 ]
 
@@ -2269,6 +2612,16 @@
  "winapi-util",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
 [[package]]
 name = "time"
 version = "0.1.45"
@@ -2336,9 +2689,31 @@
  "pin-project-lite",
  "signal-hook-registry",
  "socket2 0.5.3",
+ "tokio-macros",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "tokio-native-tls"
 version = "0.3.1"
@@ -2355,11 +2730,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.7",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.14"
@@ -2385,6 +2770,50 @@
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.21.0",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "rustls-pemfile",
+ "tokio",
+ "tokio-rustls 0.24.1",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -2393,9 +2822,13 @@
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.2",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -2444,6 +2877,36 @@
 checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
+dependencies = [
+ "lazy_static",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
+dependencies = [
+ "matchers",
+ "nu-ansi-term",
+ "once_cell",
+ "regex",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -2527,6 +2990,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9"
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -2666,6 +3135,18 @@
  "untrusted",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix 0.38.13",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/services/comm-services-lib/Cargo.toml b/services/comm-services-lib/Cargo.toml
--- a/services/comm-services-lib/Cargo.toml
+++ b/services/comm-services-lib/Cargo.toml
@@ -34,6 +34,7 @@
 chrono = "0.4"
 constant_time_eq = "0.3"
 derive_more = "0.99"
+grpc_clients = { path = "../../shared/grpc_clients" }
 rand = "0.8"
 tokio = "1.32"
 tracing = "0.1"
diff --git a/services/comm-services-lib/src/auth/service.rs b/services/comm-services-lib/src/auth/service.rs
--- a/services/comm-services-lib/src/auth/service.rs
+++ b/services/comm-services-lib/src/auth/service.rs
@@ -1,5 +1,6 @@
 use aws_sdk_secretsmanager::Client as SecretsManagerClient;
 use chrono::{DateTime, Duration, NaiveDateTime, Utc};
+use grpc_clients::identity::unauthenticated::client as identity_client;
 
 use super::{AuthorizationCredential, ServicesAuthToken, UserIdentity};
 
@@ -12,6 +13,87 @@
 const AWSCURRENT: &str = "AWSCURRENT";
 const AWSPREVIOUS: &str = "AWSPREVIOUS";
 
+#[derive(
+  Debug, derive_more::Display, derive_more::Error, derive_more::From,
+)]
+pub enum AuthServiceError {
+  SecretManagerError(aws_sdk_secretsmanager::Error),
+  GrpcError(grpc_clients::error::Error),
+  Unexpected,
+}
+
+type AuthServiceResult<T> = Result<T, AuthServiceError>;
+
+/// This service is responsible for handling request authentication.
+/// For HTTP services, it should be added as app data to the server:
+/// ```ignore
+/// let auth_service = AuthService::new(&aws_config, &config.identity_endpoint);
+/// let auth_middleware = get_comm_authentication_middleware();
+/// App::new()
+///   .app_data(auth_service.clone())
+///   .wrap(auth_middleware)
+///   // ...
+/// ```
+#[derive(Clone)]
+pub struct AuthService {
+  secrets_manager: SecretsManagerClient,
+  identity_service_url: String,
+}
+
+impl AuthService {
+  pub fn new(
+    aws_cfg: &aws_config::SdkConfig,
+    identity_service_url: impl Into<String>,
+  ) -> Self {
+    let secrets_client = SecretsManagerClient::new(aws_cfg);
+    AuthService {
+      secrets_manager: secrets_client,
+      identity_service_url: identity_service_url.into(),
+    }
+  }
+
+  /// Obtains a service-to-service token which can be used to authenticate
+  /// when calling other services endpoints. It should be only used when
+  /// no [`UserIdentity`] is provided from client
+  pub async fn get_services_token(
+    &self,
+  ) -> AuthServiceResult<ServicesAuthToken> {
+    get_services_token_version(&self.secrets_manager, AWSCURRENT)
+      .await
+      .map_err(AuthServiceError::from)
+  }
+
+  /// Verifies the provided [`AuthorizationCredential`]. Returns `true` if
+  /// authentication was successful.
+  pub async fn verify_auth_credential(
+    &self,
+    credential: &AuthorizationCredential,
+  ) -> AuthServiceResult<bool> {
+    match credential {
+      AuthorizationCredential::UserToken(user) => {
+        let UserIdentity {
+          user_id,
+          device_id,
+          access_token,
+        } = user;
+        identity_client::verify_user_access_token(
+          &self.identity_service_url,
+          user_id,
+          device_id,
+          access_token,
+        )
+        .await
+        .map_err(AuthServiceError::from)
+      }
+      AuthorizationCredential::ServicesToken(token) => {
+        verify_services_token(&self.secrets_manager, token)
+          .await
+          .map_err(AuthServiceError::from)
+      }
+    }
+  }
+}
+
 async fn get_services_token_version(
   client: &SecretsManagerClient,
   version: impl Into<String>,
diff --git a/services/comm-services-lib/src/http/auth.rs b/services/comm-services-lib/src/http/auth.rs
--- a/services/comm-services-lib/src/http/auth.rs
+++ b/services/comm-services-lib/src/http/auth.rs
@@ -98,11 +98,15 @@
 /// Use this to add Authentication Middleware. It's going to parse Authorization
 /// header and call the identity service to check if the provided credentials
 /// are correct. If not it's going to reject the request.
+/// Note that this requires `AuthService` to be present in the app data.
 ///
 /// # Example
 /// ```ignore
+/// let auth_service = AuthService::new(&aws_config, &config.identity_endpoint);
 /// let auth_middleware = get_comm_authentication_middleware();
-/// App::new().wrap(auth_middleware);
+/// App::new()
+///   .app_data(auth_service.clone())
+///   .wrap(auth_middleware)
 /// ```
 /// If you don't want all of the routes to require authentication you can wrap
 /// individual resources or scopes:
diff --git a/services/commtest/Cargo.lock b/services/commtest/Cargo.lock
--- a/services/commtest/Cargo.lock
+++ b/services/commtest/Cargo.lock
@@ -660,6 +660,7 @@
  "chrono",
  "constant_time_eq",
  "derive_more",
+ "grpc_clients",
  "rand",
  "serde",
  "serde_json",
diff --git a/services/feature-flags/Cargo.lock b/services/feature-flags/Cargo.lock
--- a/services/feature-flags/Cargo.lock
+++ b/services/feature-flags/Cargo.lock
@@ -8,7 +8,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57a7559404a7f3573127aab53c08ce37a6c6a315c374a31070f3c91cd1b4a7fe"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-core",
  "futures-sink",
@@ -31,7 +31,7 @@
  "actix-utils",
  "ahash",
  "base64",
- "bitflags",
+ "bitflags 1.3.2",
  "brotli",
  "bytes",
  "bytestring",
@@ -248,6 +248,39 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -272,7 +305,7 @@
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 1.8.0",
  "hex",
  "http",
  "hyper",
@@ -292,7 +325,7 @@
 dependencies = [
  "aws-smithy-async",
  "aws-smithy-types",
- "fastrand",
+ "fastrand 1.8.0",
  "tokio",
  "tracing",
  "zeroize",
@@ -349,7 +382,7 @@
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 1.8.0",
  "http",
  "regex",
  "tokio-stream",
@@ -375,7 +408,7 @@
  "aws-smithy-types",
  "aws-types",
  "bytes",
- "fastrand",
+ "fastrand 1.8.0",
  "http",
  "regex",
  "tokio-stream",
@@ -490,14 +523,14 @@
  "aws-smithy-http-tower",
  "aws-smithy-types",
  "bytes",
- "fastrand",
+ "fastrand 1.8.0",
  "http",
  "http-body",
  "hyper",
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "tower",
  "tracing",
@@ -598,6 +631,51 @@
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -635,6 +713,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.3"
@@ -732,7 +816,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f13b9c79b5d1dd500d20ef541215a6423c75829ef43117e1b4d17fd8af0b5d76"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "clap_derive",
  "clap_lex",
  "is-terminal",
@@ -786,6 +870,7 @@
  "chrono",
  "constant_time_eq",
  "derive_more",
+ "grpc_clients",
  "rand",
  "serde",
  "serde_json",
@@ -943,6 +1028,12 @@
  "cfg-if",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.2.8"
@@ -954,6 +1045,17 @@
  "winapi",
 ]
 
+[[package]]
+name = "errno"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "136526188508e25c6fef639d7927dfb3e0e3084488bf202267829cf7fc23dbdd"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "errno-dragonfly"
 version = "0.1.2"
@@ -973,6 +1075,12 @@
  "instant",
 ]
 
+[[package]]
+name = "fastrand"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
+
 [[package]]
 name = "feature-flags"
 version = "0.1.0"
@@ -992,6 +1100,12 @@
  "tracing-subscriber",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flate2"
 version = "1.0.25"
@@ -1083,6 +1197,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic",
+ "tonic-build",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.17"
@@ -1095,7 +1221,7 @@
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.2",
  "slab",
  "tokio",
  "tokio-util",
@@ -1108,6 +1234,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1144,6 +1276,15 @@
  "digest",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -1211,10 +1352,22 @@
  "http",
  "hyper",
  "log",
- "rustls",
+ "rustls 0.20.8",
  "rustls-native-certs",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
+]
+
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
 ]
 
 [[package]]
@@ -1258,7 +1411,17 @@
 checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.0",
 ]
 
 [[package]]
@@ -1288,10 +1451,19 @@
 dependencies = [
  "hermit-abi 0.3.0",
  "io-lifetimes",
- "rustix",
+ "rustix 0.36.8",
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.5"
@@ -1330,9 +1502,9 @@
 
 [[package]]
 name = "libc"
-version = "0.2.147"
+version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
 
 [[package]]
 name = "link-cplusplus"
@@ -1349,6 +1521,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a9bad9f94746442c783ca431b22403b519cd7fbeed0533fdd6328b2f2212128"
+
 [[package]]
 name = "local-channel"
 version = "0.1.3"
@@ -1395,6 +1573,12 @@
  "regex-automata",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -1437,6 +1621,12 @@
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1533,7 +1723,7 @@
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.16",
  "smallvec",
  "windows-sys 0.45.0",
 ]
@@ -1550,6 +1740,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "petgraph"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.0.0",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.0.12"
@@ -1594,6 +1794,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "prettyplease"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+dependencies = [
+ "proc-macro2",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1627,6 +1837,60 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 1.0.107",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.33"
@@ -1672,7 +1936,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "redox_syscall"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+dependencies = [
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -1737,14 +2010,27 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
 dependencies = [
- "bitflags",
- "errno",
+ "bitflags 1.3.2",
+ "errno 0.2.8",
  "io-lifetimes",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.1.4",
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "747c788e9ce8e92b12cd485c49ddf90723550b654b32508f979b71a7b1ecda4f"
+dependencies = [
+ "bitflags 2.4.0",
+ "errno 0.3.3",
+ "libc",
+ "linux-raw-sys 0.4.7",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "rustls"
 version = "0.20.8"
@@ -1757,6 +2043,18 @@
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-native-certs"
 version = "0.6.2"
@@ -1778,6 +2076,22 @@
  "base64",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.12"
@@ -1821,7 +2135,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a332be01508d814fed64bf28f798a146d73792121129962fdf335bb3c49a4254"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -2002,6 +2316,25 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
+[[package]]
+name = "tempfile"
+version = "3.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb94d2f3cc536af71caac6b6fcebf65860b347e7ce0cc9ebe8f70d3e521054ef"
+dependencies = [
+ "cfg-if",
+ "fastrand 2.0.0",
+ "redox_syscall 0.3.5",
+ "rustix 0.38.14",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.2.0"
@@ -2092,6 +2425,16 @@
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.1.0"
@@ -2109,11 +2452,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.7",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.11"
@@ -2139,6 +2492,50 @@
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "rustls-pemfile",
+ "tokio",
+ "tokio-rustls 0.24.1",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -2147,9 +2544,13 @@
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.2",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -2406,6 +2807,18 @@
  "untrusted",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix 0.38.14",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/services/feature-flags/Dockerfile b/services/feature-flags/Dockerfile
--- a/services/feature-flags/Dockerfile
+++ b/services/feature-flags/Dockerfile
@@ -9,6 +9,7 @@
 ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
 
 # Copy actual application sources
+COPY shared ../../shared/
 COPY services/comm-services-lib ../comm-services-lib
 COPY services/feature-flags ./
 
diff --git a/services/reports/Cargo.lock b/services/reports/Cargo.lock
--- a/services/reports/Cargo.lock
+++ b/services/reports/Cargo.lock
@@ -405,6 +405,28 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.73"
@@ -665,7 +687,7 @@
  "hyper-rustls",
  "lazy_static",
  "pin-project-lite",
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "tower",
  "tracing",
@@ -766,6 +788,51 @@
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -987,6 +1054,7 @@
  "derive_more",
  "futures-core",
  "futures-util",
+ "grpc_clients",
  "http",
  "rand",
  "reqwest",
@@ -1154,6 +1222,12 @@
  "cfg-if",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.2"
@@ -1190,6 +1264,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flate2"
 version = "1.0.26"
@@ -1328,6 +1408,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic",
+ "tonic-build",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.21"
@@ -1340,7 +1432,7 @@
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -1353,6 +1445,12 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1380,6 +1478,15 @@
  "digest",
 ]
 
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -1447,10 +1554,22 @@
  "http",
  "hyper",
  "log",
- "rustls",
+ "rustls 0.20.8",
  "rustls-native-certs",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
+]
+
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
 ]
 
 [[package]]
@@ -1512,7 +1631,17 @@
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown",
+ "hashbrown 0.12.3",
+]
+
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.0",
 ]
 
 [[package]]
@@ -1539,6 +1668,15 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6"
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -1583,9 +1721,9 @@
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.4.5"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57bcfdad1b858c2db7c38303a6d2ad4dfaf5eb53dfeb0910128b2c26d6158503"
+checksum = "1a9bad9f94746442c783ca431b22403b519cd7fbeed0533fdd6328b2f2212128"
 
 [[package]]
 name = "local-channel"
@@ -1630,6 +1768,12 @@
  "regex-automata 0.1.10",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "maud"
 version = "0.25.0"
@@ -1695,6 +1839,12 @@
  "windows-sys",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
 [[package]]
 name = "native-tls"
 version = "0.2.11"
@@ -1881,6 +2031,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94"
 
+[[package]]
+name = "petgraph"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+dependencies = [
+ "fixedbitset",
+ "indexmap 2.0.0",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.3"
@@ -1954,6 +2114,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "prettyplease"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+dependencies = [
+ "proc-macro2",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1987,6 +2157,60 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 1.0.109",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.33"
@@ -2183,9 +2407,9 @@
 
 [[package]]
 name = "rustix"
-version = "0.38.9"
+version = "0.38.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9bfe0f2582b4931a45d1fa608f8a8722e8b3c7ac54dd6d5f3b3212791fedef49"
+checksum = "d7db8590df6dfcd144d22afd1b83b36c21a18d7cbc1dc4bb5295a8712e9eb662"
 dependencies = [
  "bitflags 2.4.0",
  "errno",
@@ -2206,6 +2430,18 @@
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-native-certs"
 version = "0.6.3"
@@ -2227,6 +2463,22 @@
  "base64 0.21.3",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ffc183a10b4478d04cbbbfc96d0873219d962dd5accaff2ffbd4ceb7df837f4"
+
 [[package]]
 name = "ryu"
 version = "1.0.15"
@@ -2465,6 +2717,12 @@
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "tempfile"
 version = "3.7.1"
@@ -2581,6 +2839,16 @@
  "windows-sys",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.1.0"
@@ -2608,11 +2876,21 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "webpki",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls 0.21.7",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.14"
@@ -2638,6 +2916,50 @@
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.21.3",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "rustls-pemfile",
+ "tokio",
+ "tokio-rustls 0.24.1",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "tower"
 version = "0.4.13"
@@ -2646,9 +2968,13 @@
 dependencies = [
  "futures-core",
  "futures-util",
+ "indexmap 1.9.3",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -2986,6 +3312,18 @@
  "untrusted",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/services/reports/Dockerfile b/services/reports/Dockerfile
--- a/services/reports/Dockerfile
+++ b/services/reports/Dockerfile
@@ -13,6 +13,7 @@
 ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
 
 # Copy actual application sources
+COPY shared ../../shared/
 COPY services/comm-services-lib ../comm-services-lib
 COPY services/reports ./