diff --git a/lib/facts/blob-service.js b/lib/facts/blob-service.js
--- a/lib/facts/blob-service.js
+++ b/lib/facts/blob-service.js
@@ -1,5 +1,7 @@
 // @flow
 
+import { isDev } from '../utils/dev-utils.js';
+
 type BlobServicePath = '/blob/:blobHash' | '/blob';
 
 export type BlobServiceHTTPEndpoint = {
@@ -7,6 +9,11 @@
   +method: 'GET' | 'POST' | 'PUT' | 'DELETE',
 };
 
+type BlobServiceConfig = {
+  +url: string,
+  +httpEndpoints: { +[endpoint: string]: BlobServiceHTTPEndpoint },
+};
+
 const httpEndpoints = Object.freeze({
   GET_BLOB: {
     path: '/blob/:blobHash',
@@ -26,8 +33,10 @@
   },
 });
 
-const config = {
-  url: 'https://blob.commtechnologies.org',
+const config: BlobServiceConfig = {
+  url: isDev
+    ? 'https://blob.staging.commtechnologies.org'
+    : 'https://blob.commtechnologies.org',
   httpEndpoints,
 };