Add content/accept headers to appropriate http requests

qiskit_ibm_runtime/api/rest/base.py

@@ -23,6 +23,10 @@ class RestAdapterBase:
 
     _HEADER_JSON_CONTENT = {"Content-Type": "application/json"}
 
+    _HEADER_JSON_ACCEPT = {"Accept": "application/json"}
+
+    _HEADER_API_VERSION = {"IBM-API-Version": "2024-01-01"}
+
     def __init__(self, session: RetrySession, prefix_url: str = "") -> None:
         """RestAdapterBase constructor.
 
@@ -31,6 +35,7 @@ def __init__(self, session: RetrySession, prefix_url: str = "") -> None:
             prefix_url: String to be prepend to all URLs.
         """
         self.session = session
+        self.session.headers = self._HEADER_API_VERSION
         self.prefix_url = prefix_url
 
     def get_url(self, identifier: str) -> str:

qiskit_ibm_runtime/api/rest/cloud_backend.py

@@ -47,7 +47,7 @@ def configuration(self) -> Dict[str, Any]:
             JSON response of backend configuration.
         """
         url = self.get_url("configuration")
-        return self.session.get(url).json()
+        return self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()
 
     def properties(self, datetime: Optional[python_datetime] = None) -> Dict[str, Any]:
         """Return backend properties.
@@ -61,7 +61,7 @@ def properties(self, datetime: Optional[python_datetime] = None) -> Dict[str, An
         if datetime:
             params["updated_before"] = datetime.isoformat()
 
-        response = self.session.get(url, params=params).json()
+        response = self.session.get(url, params=params, headers=self._HEADER_JSON_ACCEPT).json()
         # Adjust name of the backend.
         if response:
             response["backend_name"] = self.backend_name
@@ -74,7 +74,7 @@ def pulse_defaults(self) -> Dict[str, Any]:
             JSON response of pulse defaults.
         """
         url = self.get_url("pulse_defaults")
-        return self.session.get(url).json()
+        return self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()
 
     def status(self) -> Dict[str, Any]:
         """Return backend status.
@@ -83,7 +83,7 @@ def status(self) -> Dict[str, Any]:
             JSON response of backend status.
         """
         url = self.get_url("status")
-        response = self.session.get(url).json()
+        response = self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()
         # Adjust fields according to the specs (BackendStatus).
         ret = {
             "backend_name": self.backend_name,

qiskit_ibm_runtime/api/rest/program_job.py

@@ -56,7 +56,10 @@ def get(self, exclude_params: bool = None) -> Dict:
         payload = {}
         if exclude_params:
             payload["exclude_params"] = "true"
-        return self.session.get(self.get_url("self"), params=payload).json(cls=RuntimeDecoder)
+
+        return self.session.get(
+            self.get_url("self"), params=payload, headers=self._HEADER_JSON_ACCEPT
+        ).json(cls=RuntimeDecoder)
 
     def delete(self) -> None:
         """Delete program job."""
@@ -98,12 +101,14 @@ def metadata(self) -> Dict:
         Returns:
             Job Metadata.
         """
-        return self.session.get(self.get_url("metrics")).json()
+        return self.session.get(self.get_url("metrics"), headers=self._HEADER_JSON_ACCEPT).json()
 
     def update_tags(self, tags: list) -> Response:
         """Update job tags.
 
         Returns:
             API Response.
         """
-        return self.session.put(self.get_url("tags"), data=json.dumps({"tags": tags}))
+        return self.session.put(
+            self.get_url("tags"), data=json.dumps({"tags": tags}), headers=self._HEADER_JSON_CONTENT
+        )

qiskit_ibm_runtime/api/rest/root.py

@@ -53,7 +53,8 @@ def hubs(self) -> List[Dict[str, Any]]:
             JSON response.
         """
         url = self.get_url("hubs")
-        return self.session.get(url).json()
+
+        return self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()
 
     def version(self) -> Dict[str, Union[str, bool]]:
         """Return the version information.
@@ -69,7 +70,7 @@ def version(self) -> Dict[str, Union[str, bool]]:
                 * ``api-*`` (str): The versions of each individual API component
         """
         url = self.get_url("version")
-        response = self.session.get(url)
+        response = self.session.get(url, headers=self._HEADER_JSON_ACCEPT)
 
         try:
             version_info = response.json()
@@ -89,7 +90,9 @@ def login(self, api_token: str) -> Dict[str, Any]:
             JSON response.
         """
         url = self.get_url("login")
-        return self.session.post(url, json={"apiToken": api_token}).json()
+        return self.session.post(
+            url, json={"apiToken": api_token}, headers=self._HEADER_JSON_CONTENT
+        ).json()
 
     def user_info(self) -> Dict[str, Any]:
         """Return user information.
@@ -98,6 +101,7 @@ def user_info(self) -> Dict[str, Any]:
             JSON response of user information.
         """
         url = self.get_url("user_info")
-        response = self.session.get(url).json()
+
+        response = self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()
 
         return response

qiskit_ibm_runtime/api/rest/runtime.py

@@ -126,7 +126,9 @@ def program_run(
         if private:
             payload["private"] = True
         data = json.dumps(payload, cls=RuntimeEncoder)
-        return self.session.post(url, data=data, timeout=900).json()
+        return self.session.post(
+            url, data=data, timeout=900, headers=self._HEADER_JSON_CONTENT
+        ).json()
 
     def jobs_get(
         self,
@@ -195,7 +197,7 @@ def jobs_get(
             payload["sort"] = "ASC"
         if all([hub, group, project]):
             payload["provider"] = f"{hub}/{group}/{project}"
-        return self.session.get(url, params=payload).json()
+        return self.session.get(url, params=payload, headers=self._HEADER_JSON_ACCEPT).json()
 
     def backend(self, backend_name: str) -> CloudBackend:
         """Return an adapter for the IBM backend.
@@ -226,7 +228,9 @@ def backends(
         params = {}
         if hgp:
             params["provider"] = hgp
-        return self.session.get(url, params=params, timeout=timeout).json()
+        return self.session.get(
+            url, params=params, timeout=timeout, headers=self._HEADER_JSON_ACCEPT
+        ).json()
 
     def usage(self) -> Dict[str, Any]:
         """Return monthly open plan usage information.
@@ -235,4 +239,4 @@ def usage(self) -> Dict[str, Any]:
             JSON response.
         """
         url = self.get_url("usage")
-        return self.session.get(url).json()
+        return self.session.get(url, headers=self._HEADER_JSON_ACCEPT).json()

qiskit_ibm_runtime/api/rest/runtime_session.py

@@ -62,7 +62,7 @@ def create(
                 payload["max_session_ttl"] = max_time  # type: ignore[assignment]
             else:
                 payload["max_ttl"] = max_time  # type: ignore[assignment]
-        return self.session.post(url, json=payload).json()
+        return self.session.post(url, json=payload, headers=self._HEADER_JSON_CONTENT).json()
 
     def cancel(self) -> None:
         """Cancel all jobs in the session."""
@@ -74,7 +74,7 @@ def close(self) -> None:
         payload = {"accepting_jobs": False}
         url = self.get_url("self")
         try:
-            self.session.patch(url, json=payload)
+            self.session.patch(url, json=payload, headers=self._HEADER_JSON_CONTENT)
         except RequestsApiError as ex:
             if ex.status_code == 404:
                 pass
@@ -83,4 +83,5 @@ def close(self) -> None:
 
     def details(self) -> Dict[str, Any]:
         """Return the details of this session."""
-        return self.session.get(self.get_url("self")).json()
+
+        return self.session.get(self.get_url("self"), headers=self._HEADER_JSON_ACCEPT).json()

test/unit/test_runtime_client.py

@@ -85,3 +85,8 @@ def test_custom_client_app_header(self):
             client._session.custom_header = None
             client._session._set_custom_header()
             self.assertNotIn(custom_header, client._session.headers["X-Qx-Client-Application"])
+
+    def test_header_api_version(self):
+        """Test IBM-API-Version is in header."""
+        client = self._get_client()
+        self.assertIn("IBM-API-Version", client._session.headers)