TOtogether
RL

Save training checkpoint

Changed on

Submits an operation that will asynchronously save the full training state (adapter + optimizer + step).

post/v1/rl/training-sessions/{session_id}/operations/training-checkpoint

Request

  • Base URL
    https://api.together.ai
  • URL
    https://api.together.ai/v1/rl/training-sessions/{session_id}/operations/training-checkpoint
  • Auth
    HTTP bearer

Path parameters

session_idstring required

Training session ID

Headers

Idempotency-Keystring required

Required key that makes retries return the original operation; use a new key for changed request bodies.

Response

Save training checkpoint operation details

idstring required

Operation ID

status'TRAINING_OPERATION_STATUS_UNSPECIFIED' | 'TRAINING_OPERATION_STATUS_PENDING' | 'TRAINING_OPERATION_STATUS_RUNNING' | 'TRAINING_OPERATION_STATUS_COMPLETED' | 'TRAINING_OPERATION_STATUS_FAILED' required

Example response

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "output": {
    "checkpoint": {
      "id": "123e4567-e89b-12d3-a456-426614174000",
      "created_at": "2026-01-02T00:00:00Z",
      "registration": {
        "id": "ml_abc123",
        "revision_id": "rv_def456"
      }
    }
  },
  "error": {
    "message": "Operation timed out"
  }
}

Changes