Creates a membership for the calling Chat app, a user, or a Google Group. Creating memberships for other Chat apps isn't supported. When creating a membership, if the specified member has their auto-accept policy turned off, then they're invited, and must accept the space invitation before joining. Otherwise, creating a membership adds the member directly to the specified space.
User authentication grants administrator privileges when an administrator account authenticates, useAdminAccess is true, and the following authorization scope is used:
Creating app memberships or creating memberships for users outside the administrator's Google Workspace organization isn't supported using admin access.
Request body
The request body contains an instance of Membership.
Response body
If successful, the response body contains a newly created instance of Membership.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-25 UTC."],[[["\u003cp\u003eCreates memberships for the calling Chat app, a user, or a Google Group in a specified space.\u003c/p\u003e\n"],["\u003cp\u003eSupports app authentication (with admin approval in Developer Preview) and user authentication (with optional admin access).\u003c/p\u003e\n"],["\u003cp\u003eTo use administrator privileges, set the \u003ccode\u003euseAdminAccess\u003c/code\u003e query parameter to \u003ccode\u003etrue\u003c/code\u003e and ensure the user has the required permissions and scope.\u003c/p\u003e\n"],["\u003cp\u003eRequires specific OAuth scopes for authorization, such as \u003ccode\u003echat.app.memberships\u003c/code\u003e or \u003ccode\u003echat.admin.memberships\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIf the member has auto-accept turned off, an invitation is sent; otherwise, they are directly added to the space.\u003c/p\u003e\n"]]],["This describes how to create a membership in Google Chat spaces using a `POST` request to `https://chat.googleapis.com/v1/{parent=spaces/*}/members`. Memberships can be created for a Chat app, user, or Google Group. Authentication supports app or user access, with optional administrator privileges via the `useAdminAccess` query parameter. The request includes path and query parameters and a `Membership` object in the body; the response returns the newly created `Membership`. Authorization requires specific OAuth scopes.\n"],null,["- [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- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nCreates a membership for the calling Chat app, a user, or a Google Group. Creating memberships for other Chat apps isn't supported. When creating a membership, if the specified member has their auto-accept policy turned off, then they're invited, and must accept the space invitation before joining. Otherwise, creating a membership adds the member directly to the specified space.\n\nSupports the following types of [authentication](https://developers.google.com/workspace/chat/authenticate-authorize):\n\n- [App authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-app) with [administrator approval](https://support.google.com/a?p=chat-app-auth) in [Developer Preview](https://developers.google.com/workspace/preview) and the authorization scope:\n\n - `https://www.googleapis.com/auth/chat.app.memberships`\n- [User authentication](https://developers.google.com/workspace/chat/authenticate-authorize-chat-user) with one of the following authorization scopes:\n\n - `https://www.googleapis.com/auth/chat.memberships`\n - `https://www.googleapis.com/auth/chat.memberships.app` (to add the calling app to the space)\n - `https://www.googleapis.com/auth/chat.import` (import mode spaces only)\n - User authentication grants administrator privileges when an administrator account authenticates, `useAdminAccess` is `true`, and the following authorization scope is used:\n - `https://www.googleapis.com/auth/chat.admin.memberships`\n\nApp authentication is not supported for the following use cases:\n\n- Inviting users external to the Workspace organization that owns the space.\n- Adding a Google Group to a space.\n- Adding a Chat app to a space.\n\nFor example usage, see:\n\n- [Invite or add a user to a space](https://developers.google.com/workspace/chat/create-members#create-user-membership).\n- [Invite or add a Google Group to a space](https://developers.google.com/workspace/chat/create-members#create-group-membership).\n- [Add the Chat app to a space](https://developers.google.com/workspace/chat/create-members#create-membership-calling-api).\n\nHTTP request\n\n`POST https://chat.googleapis.com/v1/{parent=spaces/*}/members`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\nPath parameters\n\n| Parameters ||\n|----------|--------------------------------------------------------------------------------------------------------------|\n| `parent` | `string` Required. The resource name of the space for which to create the membership. Format: spaces/{space} |\n\nQuery parameters\n\n| Parameters ||\n|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `useAdminAccess` | `boolean` Optional. When `true`, the method runs using the user's Google Workspace administrator privileges. The calling user must be a Google Workspace administrator with the [manage chat and spaces conversations privilege](https://support.google.com/a/answer/13369245). Requires the `chat.admin.memberships` [OAuth 2.0 scope](https://developers.google.com/workspace/chat/authenticate-authorize#chat-api-scopes). Creating app memberships or creating memberships for users outside the administrator's Google Workspace organization isn't supported using admin access. |\n\nRequest body\n\nThe request body contains an instance of [Membership](/workspace/chat/api/reference/rest/v1/spaces.members#Membership).\n\nResponse body\n\nIf successful, the response body contains a newly created instance of [Membership](/workspace/chat/api/reference/rest/v1/spaces.members#Membership).\n\nAuthorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/chat.app.memberships`\n- `https://www.googleapis.com/auth/chat.admin.memberships`\n- `https://www.googleapis.com/auth/chat.import`\n- `https://www.googleapis.com/auth/chat.memberships`\n- `https://www.googleapis.com/auth/chat.memberships.app`\n\nFor more information, see the [Authorization guide](/workspace/chat/authenticate-authorize)."]]
