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POST
Cancel Training Run

Authorizations

Authorization
string
header
required

A Kite API key (kite_...), from Platform API → Keys in the dashboard.

Headers

authorization
string | null
X-Impersonation-Token
string | null
Kite-Version
enum<string>
default:2026-09-27

The dated contract your code was written against. Without it you get 2026-09-27; every response says which version served it.

Available options:
2026-09-27

Path Parameters

run_id
string
required

Response

The run, canceled

One policy trained on one GPU.

id
string
required

trn_ + a time-ordered ULID

object
enum<string>
required
Available options:
training_run
Allowed value: "training_run"
status
string
required

processing, succeeded, failed, canceled; an open set

phase
string | null
required

Finer than status, e.g. provisioning, preparing, downloading_dataset, training, completed, failed, cancelled. Only GET /v1/training_runs/{id} reads it: null in list, create and cancel responses

status_message
string | null
required

phase in words, e.g. Provisioning GPU…

progress
number
required
Required range: 0 <= x <= 1
error
TrainingRunError · object | null
required

Why, when failed

policy
string
required

The LeRobot policy type (see GET /v1/training_policies)

robot
string | null
required

The robot tag from create (a label only)

hardware_tier
string
required

See GET /v1/hardware_tiers

group_id
string
required

Shared by the runs one create started, one per policy

dataset
TrainingRunDataset · object
required
config
TrainingRunResolvedConfig · object
required
cameras
TrainingRunResolvedCameras · object
required
metrics
TrainingRunMetrics · object
required

Live from the trainer on GET /v1/training_runs/{id}; elsewhere, the last values stored

eval
TrainingRunEval · object | null
required

Once the trainer has reported on evaluation (a finished run has); null in list, create and cancel responses

output
TrainingRunOutputSummary · object
required

What the run has produced

tokens
TrainingRunTokens · object
required
webhook_metadata
Webhook Metadata · object | null
required

Echoed from create

created_at
string
required
started_at
string | null
required

When the GPU job was submitted

completed_at
string | null
required

When it became succeeded, failed or canceled