diff --git a/gateway-api/src/gateway_api/app.py b/gateway-api/src/gateway_api/app.py
index 1ee168b6..4edd0f83 100644
--- a/gateway-api/src/gateway_api/app.py
+++ b/gateway-api/src/gateway_api/app.py
@@ -1,7 +1,7 @@
 import os
 import traceback
 
-from flask import Flask, request
+from flask import Flask, Request, request
 from flask.wrappers import Response
 
 from gateway_api.common.error import AbstractCDGError, UnexpectedError
@@ -12,6 +12,7 @@
 )
 
 app = Flask(__name__)
+app.logger.setLevel("INFO")
 
 
 def get_app_host() -> str:
@@ -30,8 +31,29 @@ def get_app_port() -> int:
     return int(port)
 
 
+def log_request_received(request: Request) -> None:
+    log_details = {
+        "description": "Received request",
+        "method": request.method,
+        "path": request.path,
+        "headers": dict(request.headers),
+    }
+    app.logger.info(log_details)
+
+
+def log_error(error: AbstractCDGError) -> None:
+    log_details = {
+        "description": "An error occurred",
+        "error_type": type(error).__name__,
+        "error_message": str(error),
+        "traceback": traceback.format_exc(),
+    }
+    app.logger.error(log_details)
+
+
 @app.route("/patient/$gpc.getstructuredrecord", methods=["POST"])
 def get_structured_record() -> Response:
+    log_request_received(request)
     response = GetStructuredRecordResponse()
     response.mirror_headers(request)
     try:
@@ -40,11 +62,11 @@ def get_structured_record() -> Response:
         provider_response = controller.run(request=get_structured_record_request)
         response.add_provider_response(provider_response)
     except AbstractCDGError as e:
-        e.log()
+        log_error(e)
         response.add_error_response(e)
     except Exception:
         error = UnexpectedError(traceback=traceback.format_exc())
-        error.log()
+        log_error(error)
         response.add_error_response(error)
 
     return response.build()
diff --git a/gateway-api/src/gateway_api/common/error.py b/gateway-api/src/gateway_api/common/error.py
index e6135865..57be0565 100644
--- a/gateway-api/src/gateway_api/common/error.py
+++ b/gateway-api/src/gateway_api/common/error.py
@@ -1,4 +1,3 @@
-import traceback
 from dataclasses import dataclass
 from http.client import BAD_GATEWAY, BAD_REQUEST, INTERNAL_SERVER_ERROR, NOT_FOUND
 
@@ -37,9 +36,6 @@ def operation_outcome(self) -> OperationOutcome:
         )
         return operation_outcome
 
-    def log(self) -> None:
-        print(traceback.format_exc(), flush=True)
-
     @property
     def message(self) -> str:
         return self._message.format(**self.additional_details)
diff --git a/gateway-api/tests/conftest.py b/gateway-api/tests/conftest.py
index 851eee98..f77c729d 100644
--- a/gateway-api/tests/conftest.py
+++ b/gateway-api/tests/conftest.py
@@ -214,7 +214,7 @@ def _fetch_env_variable[T](
 
 
 REMOTE_TEST_USERNAME_ENV_VAR = "REMOTE_TEST_USERNAME"
-DEFAULT_REMOTE_TEST_USERNAME = "656005750104"
+DEFAULT_REMOTE_TEST_USERNAME = "656005750101"
 
 
 def _get_remote_test_username() -> str:
diff --git a/proxygen/README.md b/proxygen/README.md
index 6c960f85..40e27f6d 100644
--- a/proxygen/README.md
+++ b/proxygen/README.md
@@ -62,7 +62,8 @@ Proxygen deploys a proxy instance using an OpenAPI specification file. The speci
 
 * the **target endpoint URL** to which the proxy will forward traffic;
 * the **access controls** and scopes a user needs to access the proxy;
-* the **mTLS secret name** pointing to the certificate the backend expects.
+* the **mTLS secret name** pointing to the certificate the backend expects;
+* the **target-identity** to add user identity headers to the request.
 
 At deploy time, this template is concatenated with the main API specification (`gateway-api/openapi.yaml`), the target URL and mTLS secret are injected, and the resulting file is passed to the Proxygen CLI.
 
diff --git a/proxygen/x-nhsd-apim.template.yaml b/proxygen/x-nhsd-apim.template.yaml
index e8cba5a1..e2870ade 100644
--- a/proxygen/x-nhsd-apim.template.yaml
+++ b/proxygen/x-nhsd-apim.template.yaml
@@ -11,3 +11,6 @@ x-nhsd-apim:
     security:
       type: mtls
       secret: <replace-with-secret-name>
+  target-identity:
+    - name: cis2-uuid
+    - name: cis2-urid