Request job cancellation

Cancellation is cooperative; poll the returned job until it reaches a terminal status. Already-dispatched external actions cannot be undone.

POST/v1/jobs/{id}/cancel

Authorization

Authorizationstringrequired

Bearer tak_… — an application API key. Keep it on your backend; all resources are scoped to that application.

Create an application key →

Path parameters

idstringrequired

Min length: 1

Response

200Request job cancellation

X-Request-Idstring

Server-generated request identifier for logs and support.

application/json

idstringrequired

Min length: 1

user_idstringrequired

Min length: 1

application_idstring

Min length: 1

sequenceintegerrequired

Minimum: -9007199254740991 · Maximum: 9007199254740991

taskstringrequired

statusstringrequired

Allowed: "queued""provisioning""running""waiting_approval""completed""failed""cancelled""timed_out"

execution_modestringrequired

Allowed: "computer""tools"

created_atstringrequired

Format: date-time · Pattern: ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$

started_atstring | nullrequired

completed_atstring | nullrequired

computer_idstring | nullrequired

instructionsstring | null

reasoning_effortstring | null

max_output_tokensinteger | null

errorstring | nullrequired

failure_classstring | null

computer_ready_atstring | null

computer_startstring | null

first_output_atstring | null

result_jsonobject | nullrequired

evaluationobjectrequired

Additional keys: any

viewer_urlstringrequired

Format: uri

is_controllerbooleanrequired

flow_idstring | null

flow_snapshot_jsonobject | null

harness_version_idstring | null

harness_jsonobject | null

Allowed shapes

object

harness_idstringrequired

Min length: 1

namestringrequired

version_idstringrequired

Min length: 1

numberintegerrequired

Minimum: -9007199254740991 · Maximum: 9007199254740991

specobjectrequired

Additional keys: any

null

valuenull

cost_nanoobject

Object fields

model_usagenumberrequired

computer_timenumberrequired

kept_computernumberrequired

totalnumberrequired

Additional keys: any

4XX400 invalid input; 401 missing/revoked credentials; 403 disallowed operation/application; 404 missing or inaccessible resource; 409 conflicting submission/version/state; 413 body too large; 415 unsupported content type. Inspect error.code, not message text.

X-Request-Idstring

Server-generated request identifier for logs and support.

application/json

errorobjectrequired

Object fields

codestringrequired

messagestringrequired

request_idstringrequired

Additional keys: any

5XX500 unexpected failure or 503 unavailable dependency. A failed response does not prove that a submission was not committed. Retry job/flow admission with the same key and body.

X-Request-Idstring

Server-generated request identifier for logs and support.

application/json

errorobjectrequired

Object fields

codestringrequired

messagestringrequired

request_idstringrequired

Additional keys: any