diff --git a/services/commtest/Cargo.lock b/services/commtest/Cargo.lock
index 3ba793973..b989a485a 100644
--- a/services/commtest/Cargo.lock
+++ b/services/commtest/Cargo.lock
@@ -1,1778 +1,1999 @@
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 checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
 
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
 dependencies = [
  "zeroize_derive",
 ]
 
 [[package]]
 name = "zeroize_derive"
 version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
  "syn 2.0.15",
 ]
diff --git a/services/commtest/Cargo.toml b/services/commtest/Cargo.toml
index 6a0de8054..158654236 100644
--- a/services/commtest/Cargo.toml
+++ b/services/commtest/Cargo.toml
@@ -1,32 +1,34 @@
 [package]
 name = "commtest"
 version = "0.1.0"
 edition = "2021"
 license = "BSD-3-Clause"
 
 [dependencies]
 comm-opaque2 = { path = "../../shared/comm-opaque2" }
 tonic = "0.8"
 tokio = { version = "1.24", features = ["macros", "rt-multi-thread"] }
 prost = "0.11"
 anyhow = "1.0"
 base64 = "0.20"
 openssl = "0.10"
 futures = "0.1"
 async-stream = "0.3.2"
 derive_more = "0.99.16"
 bytesize = "1.1.0"
 lazy_static = "1.4.0"
 num_cpus = "1.13.1"
 sha2 = "0.10.2"
 hex = "0.4.3"
 tokio-tungstenite = "0.18.0"
 tunnelbroker_messages = { path = "../../shared/tunnelbroker_messages" }
 url = "2.3.1"
 futures-util = "0.3.28"
 serde_json = "1.0.96"
 rand = "0.8.5"
+reqwest = { version = "0.11", features = ["json", "multipart"] }
+serde = "1.0"
 
 [build-dependencies]
 tonic-build = "0.8"
 derive_more = "0.99.16"
diff --git a/services/commtest/src/blob/blob_utils.rs b/services/commtest/src/blob/blob_utils.rs
index ce7ff6998..bd0828525 100644
--- a/services/commtest/src/blob/blob_utils.rs
+++ b/services/commtest/src/blob/blob_utils.rs
@@ -1,12 +1,21 @@
-pub mod proto {
-  tonic::include_proto!("blob");
+#[derive(Clone)]
+pub struct BlobServiceClient {
+  pub(super) http_client: reqwest::Client,
+  pub(super) blob_service_url: reqwest::Url,
 }
 
-pub use proto::blob_service_client::BlobServiceClient;
+impl BlobServiceClient {
+  pub fn new(blob_service_url: reqwest::Url) -> Self {
+    Self {
+      http_client: reqwest::Client::new(),
+      blob_service_url,
+    }
+  }
+}
 
 #[derive(Clone)]
 pub struct BlobData {
   pub holder: String,
   pub hash: String,
   pub chunks_sizes: Vec<usize>,
 }
diff --git a/services/commtest/src/blob/get.rs b/services/commtest/src/blob/get.rs
index 8a086d2b7..2c0b907c6 100644
--- a/services/commtest/src/blob/get.rs
+++ b/services/commtest/src/blob/get.rs
@@ -1,23 +1,21 @@
-use crate::blob::blob_utils::{proto::GetRequest, BlobData, BlobServiceClient};
+use crate::blob::blob_utils::{BlobData, BlobServiceClient};
 use crate::tools::Error;
-use tonic::Request;
 
 pub async fn run(
-  client: &mut BlobServiceClient<tonic::transport::Channel>,
+  client: &BlobServiceClient,
   blob_data: &BlobData,
 ) -> Result<Vec<usize>, Error> {
-  let cloned_holder = blob_data.holder.clone();
-  println!("[{}] get", cloned_holder);
+  println!("[{}] get", blob_data.hash);
 
-  let response = client
-    .get(Request::new(GetRequest {
-      holder: cloned_holder,
-    }))
-    .await?;
-  let mut inbound = response.into_inner();
-  let mut sizes: Vec<usize> = Vec::new();
-  while let Some(response) = inbound.message().await? {
-    sizes.push(response.data_chunk.len());
+  let path = format!("/blob/{}", blob_data.hash);
+  let url = client.blob_service_url.join(&path)?;
+  let response = client.http_client.get(url).send().await?;
+
+  if !response.status().is_success() {
+    return Err(Error::HttpStatus(response.status()));
   }
+
+  let bytes = response.bytes().await?;
+  let sizes = vec![bytes.len()];
   Ok(sizes)
 }
diff --git a/services/commtest/src/blob/put.rs b/services/commtest/src/blob/put.rs
index de2350e31..a1166b470 100644
--- a/services/commtest/src/blob/put.rs
+++ b/services/commtest/src/blob/put.rs
@@ -1,43 +1,61 @@
-use crate::blob::blob_utils::{
-  proto::put_request::Data::*, proto::PutRequest, BlobData, BlobServiceClient,
-};
+use std::collections::HashMap;
+
+use crate::blob::blob_utils::{BlobData, BlobServiceClient};
 use crate::tools::{generate_stable_nbytes, Error};
-use tonic::Request;
 
+#[derive(serde::Deserialize)]
+struct AssignHolderResponse {
+  data_exists: bool,
+}
 pub async fn run(
-  client: &mut BlobServiceClient<tonic::transport::Channel>,
+  client: &BlobServiceClient,
   blob_data: &BlobData,
 ) -> Result<bool, Error> {
-  let cloned_holder = blob_data.holder.clone();
-  let cloned_hash = blob_data.hash.clone();
-  let cloned_chunks_sizes = blob_data.chunks_sizes.clone();
-  println!("[{}] put", cloned_holder);
-
-  let outbound = async_stream::stream! {
-    println!("[{}] - sending holder", cloned_holder);
-    let request = PutRequest {
-      data: Some(Holder(cloned_holder.to_string())),
-    };
-    yield request;
-    println!("[{}] - sending hash", cloned_holder);
-    let request = PutRequest {
-      data: Some(BlobHash(cloned_hash.to_string())),
-    };
-    yield request;
-    for chunk_size in cloned_chunks_sizes {
-      println!("[{}] - sending data chunk {}", cloned_holder, chunk_size);
-      let request = PutRequest {
-        data: Some(DataChunk(generate_stable_nbytes(chunk_size, None))),
-      };
-      yield request;
-    }
-  };
-
-  let mut data_exists: bool = false;
-  let response = client.put(Request::new(outbound)).await?;
-  let mut inbound = response.into_inner();
-  while let Some(response) = inbound.message().await? {
-    data_exists = data_exists || response.data_exists;
+  let url = client.blob_service_url.join("/blob")?;
+
+  let holder = blob_data.holder.clone();
+  let blob_hash = blob_data.hash.clone();
+  println!("[{}] put holder: {}", &blob_hash, &holder);
+
+  // 1. Assign holder
+  let assign_holder_payload =
+    HashMap::from([("holder", &holder), ("blob_hash", &blob_hash)]);
+  let assign_holder_response = client
+    .http_client
+    .post(url.clone())
+    .json(&assign_holder_payload)
+    .send()
+    .await?;
+
+  let AssignHolderResponse { data_exists } =
+    assign_holder_response.json::<_>().await?;
+
+  if data_exists {
+    return Ok(data_exists);
   }
+
+  // 2. Upload blob
+  let form =
+    reqwest::multipart::Form::new().text("blob_hash", blob_hash.clone());
+  let parts = blob_data
+    .chunks_sizes
+    .iter()
+    .fold(form, |form, chunk_size| {
+      println!("[{}] - adding data chunk {}", &blob_hash, chunk_size);
+      form.part(
+        "blob_data",
+        reqwest::multipart::Part::bytes(generate_stable_nbytes(
+          *chunk_size,
+          None,
+        )),
+      )
+    });
+
+  let response = client.http_client.put(url).multipart(parts).send().await?;
+
+  if !response.status().is_success() {
+    return Err(Error::HttpStatus(response.status()));
+  }
+
   Ok(data_exists)
 }
diff --git a/services/commtest/src/blob/remove.rs b/services/commtest/src/blob/remove.rs
index 62d661bb9..27b0467d9 100644
--- a/services/commtest/src/blob/remove.rs
+++ b/services/commtest/src/blob/remove.rs
@@ -1,20 +1,32 @@
-use crate::blob::blob_utils::{
-  proto::RemoveRequest, BlobData, BlobServiceClient,
-};
+use std::collections::HashMap;
+
+use crate::blob::blob_utils::BlobData;
 use crate::tools::Error;
-use tonic::Request;
+
+use super::blob_utils::BlobServiceClient;
 
 pub async fn run(
-  client: &mut BlobServiceClient<tonic::transport::Channel>,
+  client: &BlobServiceClient,
   blob_data: &BlobData,
 ) -> Result<(), Error> {
   let cloned_holder = blob_data.holder.clone();
+  let cloned_blob_hash = blob_data.hash.clone();
   println!("[{}] remove", cloned_holder);
 
-  client
-    .remove(Request::new(RemoveRequest {
-      holder: cloned_holder,
-    }))
+  let request_body =
+    HashMap::from([("holder", cloned_holder), ("blob_hash", cloned_blob_hash)]);
+
+  let url = client.blob_service_url.join("/blob")?;
+  let response = client
+    .http_client
+    .delete(url)
+    .json(&request_body)
+    .send()
     .await?;
+
+  if !response.status().is_success() {
+    return Err(Error::HttpStatus(response.status()));
+  }
+
   Ok(())
 }
diff --git a/services/commtest/src/tools.rs b/services/commtest/src/tools.rs
index cf655adc7..a442fd8f8 100644
--- a/services/commtest/src/tools.rs
+++ b/services/commtest/src/tools.rs
@@ -1,53 +1,60 @@
 use hex::ToHex;
 use num_cpus;
 use sha2::{Digest, Sha512};
 use std::env;
+use url::ParseError;
 
 pub fn generate_stable_nbytes(
   number_of_bytes: usize,
   predefined_byte_value: Option<u8>,
 ) -> Vec<u8> {
   let byte_value = predefined_byte_value.unwrap_or(b'A');
   return vec![byte_value; number_of_bytes];
 }
 
 #[derive(
   Debug, derive_more::Display, derive_more::From, derive_more::Error,
 )]
 pub enum Error {
   #[display(...)]
   Proto(std::io::Error),
   #[display(...)]
   Tonic(tonic::transport::Error),
   #[display(...)]
   TonicStatus(tonic::Status),
+  #[display(...)]
+  Reqwest(reqwest::Error),
+  #[display(fmt = "HTTP status: {:?}.", _0)]
+  HttpStatus(#[error(ignore)] reqwest::StatusCode),
+  #[display(...)]
+  ParseError(ParseError),
 }
 
 pub fn obtain_number_of_threads() -> usize {
   let number_of_threads_str: String =
     env::var("COMM_NUMBER_OF_THREADS").unwrap();
   if number_of_threads_str.is_empty() {
     return num_cpus::get();
   }
   return number_of_threads_str.parse::<usize>().unwrap();
 }
 
 pub struct DataHasher {
   hasher: Sha512,
 }
 
 impl DataHasher {
   pub fn new() -> DataHasher {
     return DataHasher {
       hasher: Sha512::new(),
     };
   }
 
   pub fn update(data_hasher: &mut DataHasher, bytes: Vec<u8>) {
     data_hasher.hasher.update(bytes);
   }
   pub fn get_hash(self) -> String {
     let hash = self.hasher.finalize();
     return hash.encode_hex::<String>();
   }
 }
diff --git a/services/commtest/tests/blob_integration_test.rs b/services/commtest/tests/blob_integration_test.rs
index d1604cdfb..0027fec5d 100644
--- a/services/commtest/tests/blob_integration_test.rs
+++ b/services/commtest/tests/blob_integration_test.rs
@@ -1,72 +1,75 @@
 use bytesize::ByteSize;
 use commtest::blob::{
   blob_utils::{BlobData, BlobServiceClient},
   get, put, remove,
 };
 use commtest::constants;
 use commtest::tools::Error;
 use std::env;
 
 #[tokio::test]
 async fn blob_integration_test() -> Result<(), Error> {
   let port = env::var("COMM_SERVICES_PORT_BLOB")
-    .expect("port env var expected but not received");
-  let mut client =
-    BlobServiceClient::connect(format!("http://localhost:{}", port)).await?;
+    .expect("port env var expected but not received")
+    .parse()
+    .expect("port env var should be a number");
+  let mut url = reqwest::Url::parse("http://localhost")?;
+  url.set_port(Some(port)).expect("failed to set port");
+  let client = BlobServiceClient::new(url);
 
   let blob_data = vec![
     BlobData {
       holder: "test_holder001".to_string(),
       hash: "test_hash001".to_string(),
       chunks_sizes: vec![
         ByteSize::b(100).as_u64() as usize,
         ByteSize::b(100).as_u64() as usize,
         ByteSize::b(100).as_u64() as usize,
       ],
     },
     BlobData {
       holder: "test_holder002".to_string(),
       hash: "test_hash002".to_string(),
       chunks_sizes: vec![
         *constants::GRPC_CHUNK_SIZE_LIMIT,
         *constants::GRPC_CHUNK_SIZE_LIMIT,
         ByteSize::b(10).as_u64() as usize,
       ],
     },
     BlobData {
       holder: "test_holder003".to_string(),
       hash: "test_hash003".to_string(),
       chunks_sizes: vec![
         *constants::GRPC_CHUNK_SIZE_LIMIT,
         ByteSize::b(100).as_u64() as usize,
         *constants::GRPC_CHUNK_SIZE_LIMIT,
       ],
     },
   ];
 
   for item in &blob_data {
-    let data_exists: bool = put::run(&mut client, &item).await?;
+    let data_exists: bool = put::run(&client, &item).await?;
     assert!(!data_exists, "test data should not exist");
   }
 
   for (i, blob_item) in blob_data.iter().enumerate() {
-    let received_sizes = get::run(&mut client, &blob_item).await?;
+    let received_sizes = get::run(&client, &blob_item).await?;
     let expected_data_size = blob_item.chunks_sizes.iter().sum::<usize>();
     let received_data_size = received_sizes.iter().sum::<usize>();
     assert_eq!(
       expected_data_size, received_data_size,
       "invalid size of data for index {}, expected {}, got {}",
       i, expected_data_size, received_data_size
     );
   }
 
   for item in &blob_data {
-    remove::run(&mut client, &item).await?;
+    remove::run(&client, &item).await?;
     assert!(
-      get::run(&mut client, &item).await.is_err(),
+      get::run(&client, &item).await.is_err(),
       "item should no longer be available"
     );
   }
 
   Ok(())
 }
diff --git a/services/commtest/tests/blob_performance_test.rs b/services/commtest/tests/blob_performance_test.rs
index a4757e3d5..55a6581dc 100644
--- a/services/commtest/tests/blob_performance_test.rs
+++ b/services/commtest/tests/blob_performance_test.rs
@@ -1,113 +1,116 @@
 use bytesize::ByteSize;
 use commtest::blob::{
   blob_utils::{BlobData, BlobServiceClient},
   get, put, remove,
 };
 use commtest::tools::{obtain_number_of_threads, Error};
 use std::env;
 use tokio::runtime::Runtime;
 
 #[tokio::test]
 async fn blob_performance_test() -> Result<(), Error> {
   let port = env::var("COMM_SERVICES_PORT_BLOB")
-    .expect("port env var expected but not received");
-  let client =
-    BlobServiceClient::connect(format!("http://localhost:{}", port)).await?;
+    .expect("port env var expected but not received")
+    .parse()
+    .expect("port env var should be a number");
+  let mut url = reqwest::Url::parse("http://localhost")?;
+  url.set_port(Some(port)).expect("failed to set port");
+  let client = BlobServiceClient::new(url);
 
   let number_of_threads = obtain_number_of_threads();
 
   println!(
     "Running performance tests for blob, number of threads: {}",
     number_of_threads
   );
 
   let mut blob_data = vec![];
 
   for i in 0..number_of_threads {
     let index: u64 = (i as u64) % 10;
     blob_data.push(BlobData {
       holder: format!("test_holder_{}", i),
       hash: format!("test_hash_{}", i),
       chunks_sizes: vec![
         ByteSize::kib(200 + (300 - index * 20)).as_u64() as usize,
         ByteSize::kib(500 + (400 - index * 20)).as_u64() as usize,
         ByteSize::kib(700 + (500 - index * 25)).as_u64() as usize,
       ],
     })
   }
 
   let rt = Runtime::new().unwrap();
   tokio::task::spawn_blocking(move || {
     // PUT
     rt.block_on(async {
       println!("performing PUT operations");
       let mut handlers = vec![];
       for item in &blob_data {
         let item_cloned = item.clone();
-        let mut client_cloned = client.clone();
+        let client_cloned = client.clone();
         handlers.push(tokio::spawn(async move {
           let data_exists: bool =
-            put::run(&mut client_cloned, &item_cloned).await.unwrap();
+            put::run(&client_cloned, &item_cloned).await.unwrap();
           assert!(!data_exists, "test data should not exist");
         }));
       }
 
       for handler in handlers {
         handler.await.unwrap();
       }
     });
 
     // GET
     rt.block_on(async {
       println!("performing GET operations");
       let mut handlers = vec![];
 
       for (i, item) in blob_data.iter().enumerate() {
         let item_cloned = item.clone();
-        let mut client_cloned = client.clone();
+        let client_cloned = client.clone();
         handlers.push(tokio::spawn(async move {
           let received_sizes =
-            get::run(&mut client_cloned, &item_cloned).await.unwrap();
+            get::run(&client_cloned, &item_cloned).await.unwrap();
           let expected_data_size =
             item_cloned.chunks_sizes.iter().sum::<usize>();
           let received_data_size = received_sizes.iter().sum::<usize>();
           assert_eq!(
             expected_data_size, received_data_size,
             "invalid size of data for index {}, expected {}, got {}",
             i, expected_data_size, received_data_size
           );
         }));
       }
 
       for handler in handlers {
         handler.await.unwrap();
       }
     });
 
     // REMOVE
     rt.block_on(async {
       println!("performing REMOVE operations");
       let mut handlers = vec![];
 
       for item in &blob_data {
         let item_cloned = item.clone();
-        let mut client_cloned = client.clone();
+        let client_cloned = client.clone();
         handlers.push(tokio::spawn(async move {
-          remove::run(&mut client_cloned, &item_cloned).await.unwrap();
+          remove::run(&client_cloned, &item_cloned).await.unwrap();
           assert!(
-            get::run(&mut client_cloned, &item_cloned).await.is_err(),
+            get::run(&client_cloned, &item_cloned).await.is_err(),
             "item should no longer be available"
           );
         }));
       }
 
       for handler in handlers {
         handler.await.unwrap();
       }
     });
   })
   .await
   .expect("Task panicked");
 
   Ok(())
 }