---
title: "POST /api/v1/spaces/{space}/invitations/{invitation}:accept"
method: POST
path: "/api/v1/spaces/{space}/invitations/{invitation}:accept"
tags: ["SpaceService"]
---

# POST /api/v1/spaces/{space}/invitations/{invitation}:accept

`POST /api/v1/spaces/{space}/invitations/{invitation}:accept`

AcceptSpaceInvitation accepts a pending invitation and creates a membership.

## Path parameters

- `space` string, required
- `invitation` string, required

## Request body

- AcceptSpaceInvitationRequest
  - `name` string, required — Required. Format: spaces/{space}/invitations/{username}.

## Response `200`

OK

- SpaceMember — SpaceMember is a user's membership and governance role in a space.
  - `name` string — The resource name. Format: spaces/{space}/members/{username}.
  - `user` string, required — Required. The member user. Format: users/{username}.
  - `role` 'ROLE_UNSPECIFIED' | 'ADMIN' | 'USER', enum, required — Required. The member's role within this space.

## Other responses

- `default` — Default error response

## Changes

- **2026-08-25** `a77a8e6d70bb` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/usememos/apis/untitled-api/changes/api/v1/spaces/:space/invitations/:invitation:accept/post.md)

---

[API](https://skmtc.dev/usememos/apis/untitled-api.md) · [All operations](https://skmtc.dev/usememos/apis/untitled-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/usememos/untitled-api/revisions/9f2688df7c2e/schema)