diff --git a/.github/workflows/api-tests.yml b/.github/workflows/api-tests.yml
index b415f70275..f321432098 100644
--- a/.github/workflows/api-tests.yml
+++ b/.github/workflows/api-tests.yml
@@ -36,6 +36,11 @@ env:
   CERTS_URL: http://localhost:9019
   TWINS_URL: http://localhost:9018
   PROVISION_URL: http://localhost:9016
+  CASSANDRA_READER_URL: http://localhost:9003
+  INFLUX_READER_URL: http://localhost:9005
+  MONGO_READER_URL: http://localhost:9007
+  POSTGRES_READER_URL: http://localhost:9009
+  TIMESCALE_READER_URL: http://localhost:9011
 
 jobs:
   api-test:
@@ -203,6 +208,62 @@ jobs:
           report: false
           args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-unique-data --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
 
+      - name: Seed Messages
+        if: steps.changes.outputs.readers == 'true'
+        run: |
+          make cli
+          ./build/cli provision test
+
+      - name: Run Cassandra Reader API tests
+        if: steps.changes.outputs.readers == 'true'
+        uses: schemathesis/action@v1
+        with:
+          schema: api/openapi/readers.yml
+          base-url: ${{ env.CASSANDRA_READER_URL }}
+          checks: all
+          report: false
+          args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
+
+      - name: Run Influx Reader API tests
+        if: steps.changes.outputs.readers == 'true'
+        uses: schemathesis/action@v1
+        with:
+          schema: api/openapi/readers.yml
+          base-url: ${{ env.INFLUX_READER_URL }}
+          checks: all
+          report: false
+          args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
+
+      - name: Run Mongo Reader API tests
+        if: steps.changes.outputs.readers == 'true'
+        uses: schemathesis/action@v1
+        with:
+          schema: api/openapi/readers.yml
+          base-url: ${{ env.MONGO_READER_URL }}
+          checks: all
+          report: false
+          args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
+
+      - name: Run Postgres Reader API tests
+        if: steps.changes.outputs.readers == 'true'
+        uses: schemathesis/action@v1
+        with:
+          schema: api/openapi/readers.yml
+          base-url: ${{ env.POSTGRES_READER_URL }}
+          checks: all
+          report: false
+          args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
+
+      - name: Run Timescale Reader API tests
+        if: steps.changes.outputs.readers == 'true'
+        uses: schemathesis/action@v1
+        with:
+          schema: api/openapi/readers.yml
+          base-url: ${{ env.TIMESCALE_READER_URL }}
+          checks: all
+          report: false
+          args: '--header "Authorization: Bearer ${{ env.USER_TOKEN }}" --contrib-openapi-formats-uuid --hypothesis-suppress-health-check=filter_too_much --stateful=links'
+
       - name: Stop containers
         if: always()
         run: make run down args="-v"
diff --git a/Makefile b/Makefile
index a6ffce42c7..04d5516a7f 100644
--- a/Makefile
+++ b/Makefile
@@ -158,6 +158,7 @@ test_api_bootstrap: TEST_API_URL := http://localhost:9013
 test_api_certs: TEST_API_URL := http://localhost:9019
 test_api_twins: TEST_API_URL := http://localhost:9018
 test_api_provision: TEST_API_URL := http://localhost:9016
+test_api_readers: TEST_API_URL := http://localhost:9009 # This can be the URL of any reader service.
 
 $(TEST_API):
 	$(call test_api_service,$(@),$(TEST_API_URL))
diff --git a/api/openapi/readers.yml b/api/openapi/readers.yml
index 0eadeb1771..e82de3fb1b 100644
--- a/api/openapi/readers.yml
+++ b/api/openapi/readers.yml
@@ -37,6 +37,7 @@ tags:
 paths:
   /channels/{chanId}/messages:
     get:
+      operationId: getMessages
       summary: Retrieves messages sent to single channel
       description: |
         Retrieves a list of messages sent to specific channel. Due to
@@ -70,6 +71,7 @@ paths:
           $ref: "#/components/responses/ServiceError"
   /health:
     get:
+      operationId: health
       summary: Retrieves service health check info.
       tags:
         - health
@@ -278,7 +280,7 @@ components:
     HealthRes:
       description: Service Health Check.
       content:
-        application/json:
+        application/health+json:
           schema:
             $ref: "./schemas/HealthInfo.yml"