If successful, the response body contains data with the following structure:
JSON representation
{"messageIds": [string]}
Fields
messageIds[]
string
Optional. The server-assigned ID of each published message, in the same order as the messages in the request. IDs are guaranteed to be unique within the topic.
[[["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.publish\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n - [JSON representation](#body.request_body.SCHEMA_REPRESENTATION)\n- [Response body](#body.response_body)\n - [JSON representation](#body.PublishResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nAdds one or more messages to the topic. Returns `NOT_FOUND` if the topic does not exist.\n\n### HTTP request\n\nChoose a location: \nglobal \n\n\u003cbr /\u003e\n\n### Path parameters\n\n### Request body\n\nThe request body contains data with the following structure:\n\n### Response body\n\nResponse for the `topics.publish` 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)."]]