View API Gateway APIs in API hub

This page describes how to view your API Gateway APIs in API hub using the Google Cloud console or API. For more information, see List API resources.

View API Gateway APIs in API hub as described below.

Google Cloud console

To view your API Gateway APIs in API hub, do the following:

  1. In the Google Cloud console, go to the APIs page in API hub.

    Go to API hub

  2. Select Gateway: API Gateway in the Filter drop-down to display all API Gateway APIs.

    The main API Catalog page opens showing all available APIs.

  3. Click an API to view more details.

The following table describes the API hub fields and maps them to the API Gateway equivalents. See also Manage attributes in the API hub documentation for information about the other system and user-defined attributes.

API hub field API Gateway field Description
Overview> Name Details> Name Name of the API.
Overview> API ID N/A ID of the API in API hub.
Overview> Last modified Details> Updated Timestamp when the API was last modified.
Versions> Name Configs> Configuration ID ID of the API configuration.
Versions> Version ID N/A ID of the API configuration version in API hub.
Versions> Last modified Configs> Updated Timestamp when the API configuration was last modified.
Versions> Operations paths in OpenAPI Spec file Operations defined in the specification file. API Gateway details ingested include:
  • Path
  • Specification file
  • Method
  • Deprecated flag
  • Last modified timestamp
Versions> Specification file Configs> Full resource location Specification file associated with the API configuration. API Gateway details ingested include:
  • Name
  • Spec type
  • Lint results
  • Last modified timestamp
Note: Only OpenAPI specification files are ingested by API hub at this time.
Deployments> Deployment name Gateways> Gateway ID API Gateway deployment in the following format:
LOCATION/GATEWAY_ID
Deployments> Deployment type N/A Deployment type. Set to API Gateway.
Deployments> Last modified Gateways> Updated Timestamp when the API Gateway was last modified.
Deployments> Resources URI Gateways> Full resource name Resources URI for the API Gateway in the following format:
projects/RUNTIME_PROJECT_ID/locations/LOCATION/gateways/GATEWAY_ID
Deployments> Management URL Gateways> gateway URL used to manage the API Gateway deployment in the following format:
https://console.cloud.google.com/api-gateway/gateway/GATEWAY_ID/location/LOCATION?project=RUNTIME_PROJECT_ID
Deployments> Source project Gateways> Full resource name Source project for the deployment.
Deployments> Endpoints Gateways> Gateway URL IP address at which the deployment resource is listening for API requests.
Insights Note: Insights information is not available for API Gateway APIs at this time.
Security Note: Security information is not available for API Gateway APIs at this time.

REST

To list all API Gateway APIs in API hub, use the List APIs API. By adding the plugin instance filter, you can list only the API assets for the specified API Gateway plugin instance.

For example:

curl 'https://apihub.googleapis.com/v1/projects/HUB_PROJECT_ID/locations/HUB_LOCATION/apis?filter=source_metadata.plugin_instance_action_source.plugin_instance="projects/HUB_PROJECT_ID/locations/HUB_LOCATION/plugins/PLUGIN_TYPE/instances/PLUGIN_INSTANCE_ID"' \
  -X GET \
  -H "Authorization: Bearer $(gcloud auth print-access-token)"

Replace the following:

  • HUB_PROJECT_ID: The name of your API hub host project. The host project was selected when API hub was provisioned.
  • HUB_LOCATION: The location of the host project. The location was chosen when API hub was provisioned.
  • PLUGIN_TYPE: Type of plugin. Set to system-api-gateway.
  • PLUGIN_INSTANCE_ID: ID of the API Gateway plugin instance. Use the list plugin instances API to get the plugin instance ID.

The following provides an example of the response.

{
  "apis": [
    {
      "name": "projects/myproject/locations/us-west1/apis/4fc95784-16b0-4b6e-8b7f-a08607febf78",
      "displayName": "test-api-1",
      "versions": [
        "projects/myproject/locations/us-west1/apis/4fc95784-16b0-4b6e-8b7f-a08607febf78/versions/843a7e72-c5d2-4af8-95b0-162fa5d5ea10",
        "projects/myproject/locations/us-west1/apis/4fc95784-16b0-4b6e-8b7f-a08607febf78/versions/b6af2674-4a0e-410e-990d-d90ccbe6867e"
      ],
      "createTime": "2025-12-12T18:55:54.445487Z",
      "updateTime": "2025-12-12T18:55:54.445487Z",
      "apiStyle": {
        "attribute": "projects/myproject/locations/us-west1/attributes/system-api-style",
        "enumValues": {
          "values": [
            {
              "id": "rest",
              "displayName": "REST",
              "description": "REST",
              "immutable": true
            }
          ]
        }
      },
      "fingerprint": "test-api-1",
      "sourceMetadata": [
        {
          "pluginInstanceActionSource": {
            "pluginInstance": "projects/myproject/locations/us-west1/plugins/system-api-gateway/instances/90b21a65-38b4-4159-8e9d-07a8b6cecab0",
            "actionId": "sync-metadata"
          },
          "sourceType": "PLUGIN",
          "originalResourceId": "projects/runtimeproject/locations/global/apis/test-api-1",
          "originalResourceCreateTime": "2025-12-11T01:57:54.841944920Z",
          "originalResourceUpdateTime": "0001-01-01T00:00:00Z"
        }
      ]
    }
  ]
}

The following table describes the fields that are populated with API metadata from API Gateway in the response. See also Manage attributes in the API hub documentation for information about the other system and user-defined attributes.

API field Description
name ID of the API in API hub the following format: projects/HUB_PROJECT_ID/locations/HUB_LOCATION/apis/API_ID

Note: The API_ID is used in the resource name to ensure the value is unique.
displayName Display name of the API.
createTime Timestamp when the API was created.
updateTime Timestamp when the API was created.
fingerprint Unique ID for API (usually set to display name).
sourceMetadata API Gateway plugin instance information including:
  • Plugin instance ID in the following format: projects/HUB_PROJECT_ID/locations/HUB_LOCATION/plugins/system-api-gateway/instances/PLUGIN_INSTANCE_ID
  • Original API Gateway resource name in the following format: projects/RUNTIME_PROJECT_ID/locations/LOCATION/apis/API_ID