Synchronously invokes a deployed Cloud Function. To be used for testing purposes as very limited traffic is allowed. For more information on the actual limits, refer toRate Limits.
HTTP request
POST https://cloudfunctions.googleapis.com/v1/{name}:call
Path parameters
Parameters
name
string
Required. The name of the function to be called. It takes the formprojects/{project}/locations/{location}/functions/{function}.
Authorization requires the followingIAMpermission on the specified resourcename:
cloudfunctions.functions.call
Request body
The request body contains data with the following structure:
JSON representation
{"data":string}
Fields
data
string
Required. Input to be passed to the function.
Response body
Response offunctions.callmethod.
If successful, the response body contains data with the following structure:
[[["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 2025-06-16 UTC."],[[["\u003cp\u003eThis document describes how to synchronously invoke a deployed Cloud Function using a POST request to the specified endpoint.\u003c/p\u003e\n"],["\u003cp\u003eThe request requires a function name in the path parameters, structured as \u003ccode\u003eprojects/{project}/locations/{location}/functions/{function}\u003c/code\u003e, and the \u003ccode\u003ecloudfunctions.functions.call\u003c/code\u003e IAM permission.\u003c/p\u003e\n"],["\u003cp\u003eThe request body should contain a JSON object with a \u003ccode\u003edata\u003c/code\u003e field (a string) which provides the input to the function.\u003c/p\u003e\n"],["\u003cp\u003eA successful call returns a JSON response body including \u003ccode\u003eexecutionId\u003c/code\u003e, \u003ccode\u003eresult\u003c/code\u003e, and \u003ccode\u003eerror\u003c/code\u003e fields, where \u003ccode\u003eresult\u003c/code\u003e shows the function's output and \u003ccode\u003eerror\u003c/code\u003e shows any errors during execution.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization for this request requires the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.functions.call\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.CallFunctionResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nSynchronously invokes a deployed Cloud Function. To be used for testing purposes as very limited traffic is allowed. For more information on the actual limits, refer to [Rate Limits](https://cloud.google.com/functions/quotas#rate_limits).\n\n### HTTP request\n\n`POST https://cloudfunctions.googleapis.com/v1/{name}:call`\n\n### Path parameters\n\n### Request body\n\nThe request body contains data with the following structure:\n\n### Response body\n\nResponse of `functions.call` method.\n\nIf successful, the response body contains data with the following structure:\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
