# /api/v3/memberships/form --- post: responses: '200': description: OK headers: {} '400': content: application/hal+json: examples: response: value: _type: Error errorIdentifier: urn:openproject-org:api:v3:errors:InvalidRequestBody message: The request body was not a single JSON object. description: Occurs when the client did not send a valid JSON object in the request body. headers: {} '403': content: application/hal+json: examples: response: value: _type: Error errorIdentifier: urn:openproject-org:api:v3:errors:MissingPermission message: You are not authorized to access this resource. description: |- Returned if the client does not have sufficient permissions. **Required permission:** manage memberships in any project headers: {} tags: - Memberships description: '' operationId: Membership_create_form summary: Membership create form