Lists the names of the attached subscriptions on this topic.
HTTP request
Path parameters
Parameters
topic
string
Required. The name of the topic that subscriptions are attached to. Format isprojects/{project}/topics/{topic}.
Query parameters
Parameters
pageSize
integer
Optional. Maximum number of subscription names to return.
pageToken
string
Optional. The value returned by the lastListTopicSubscriptionsResponse; indicates that this is a continuation of a priorsubscriptions.listcall, and that the system should return the next page of data.
Request body
The request body must be empty.
Response body
Response for thesubscriptions.listmethod.
If successful, the response body contains data with the following structure:
JSON representation
{"subscriptions":[string],"nextPageToken":string}
Fields
subscriptions[]
string
Optional. The names of subscriptions attached to the topic specified in the request.
nextPageToken
string
Optional. If not empty, indicates that there may be more subscriptions that match the request; this value should be passed in a newListTopicSubscriptionsRequestto get more subscriptions.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22 UTC."],[],[],null,["# Method: projects.topics.subscriptions.list\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n - [JSON representation](#body.ListTopicSubscriptionsResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nLists the names of the attached subscriptions on this topic.\n\n### HTTP request\n\nChoose a location: \nglobal \n\n\u003cbr /\u003e\n\n### Path parameters\n\n### Query parameters\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nResponse for the `subscriptions.list` method.\n\nIf successful, the response body contains data with the following structure:\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/pubsub`\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
