0.x — pre-release, no compatibility promise yet.What this means
Add a member to a team
Add an active member of the team’s org (422 otherwise; a guest may only be a member). 409 when already on the team.
Authorizations
Section titled “Authorizations”Parameters
Section titled “ Parameters ”Path Parameters
Section titled “Path Parameters”Request Bodyrequired
Section titled “Request Bodyrequired”The request body of teams.add_member.
object
An active member of the team’s org (422 otherwise); a guest may only be a member
One of owner, member. Used by TeamDetail and 4 more.
Example
{ "user_id": "string", "team_role": "member"}Responses
Section titled “ Responses ”Successful Response
Returned by teams.add_member, teams.replace_member and teams.update_member.
object
One of owner, member. Used by TeamDetail and 4 more.
Example
{ "team_id": "string", "user_id": "string", "username": "string", "team_role": "owner", "added_by": "string", "created_at": "2026-09-25T12:00:00Z", "updated_at": "2026-09-25T12:00:00Z"}Bad request — a query parameter outside what the operation accepts (invalid-parameter)
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Bad request", "status": 400, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}Missing or invalid bearer token
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Missing or invalid bearer token", "status": 401, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}Authenticated, but not allowed
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Authenticated, but not allowed", "status": 403, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}Not found
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Not found", "status": 404, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}Conflict (a duplicate, or an Idempotency-Key still in flight)
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Conflict (a duplicate, or an `Idempotency-Key` still in flight)", "status": 409, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}If-Match does not match the current ETag
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "`If-Match` does not match the current `ETag`", "status": 412, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}The body or query did not validate (validation), or an Idempotency-Key was reused
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "The body or query did not validate (`validation`), or an `Idempotency-Key` was reused", "status": 422, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}An access token over its per-minute limit (rate-limit; see Retry-After)
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "An access token over its per-minute limit (`rate-limit`; see `Retry-After`)", "status": 429, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}Unexpected server error — quote request_id
An RFC 9457 problem details object — the body of every error response. detail is the human-readable explanation; request_id identifies the request for support.
object
about:blank or a urn:tasksmate:problem:* identifier
Human-readable explanation (a string; for a 422, the list of validation errors)
Structured failures: validation errors, or {loc, msg, allowed} for a bad parameter
object
Example
{ "type": "about:blank", "title": "Unexpected server error", "status": 500, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}