0.x — pre-release, no compatibility promise yet.What this means
Move a milestone and its tasks to another project
The milestone AND its tasks move to project_id, all-or-nothing (403 naming the first task that may not move).
Authorizations
Section titled “Authorizations”Parameters
Section titled “ Parameters ”Path Parameters
Section titled “Path Parameters”Request Bodyrequired
Section titled “Request Bodyrequired”POST …/milestones/{milestone_id}/move - the milestone AND its tasks go to project_id (same org), all-or-nothing.
object
Example
{ "project_id": "string"}Responses
Section titled “ Responses ”Successful Response
The milestone as it now reads in its new project, plus how many of its tasks moved with it.
object
Tasks under this milestone the caller can read (subtasks excluded).
How many of them are completed.
object
Tasks that moved with the milestone
Example
{ "milestone_id": "string", "org_id": "string", "project_id": "string", "title": "string", "target_date": "2026-09-25", "description": "string", "owner_user_id": "string", "position": 0, "status": "open", "closed_at": "2026-09-25T12:00:00Z", "closed_by": "string", "created_by": "string", "updated_by": "string", "created_at": "2026-09-25T12:00:00Z", "updated_at": "2026-09-25T12:00:00Z", "tasks_total": 0, "tasks_completed": 0, "tasks": [ {} ], "moved_tasks": 0}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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
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, or a signed-in user, or an address over its 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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
object
Example
{ "type": "about:blank", "title": "An access token, or a signed-in user, or an address over its 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:taskadence: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
On an mfa-required problem only: enrolled (does the person have an authenticator app set up), required_for (all or admins) and reason (org_policy: the organization’s requirement; step_up: this action needs a second step)
object
Example
{ "type": "about:blank", "title": "Unexpected server error", "status": 500, "detail": "…", "instance": "/v1/…", "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"}