Get a training run - Fastino API Docs

GET

https://api.fastino.ai

training

jobs

{job_id}

curl https://api.fastino.ai/v1/training/jobs/YOUR_JOB_ID \
  -H "X-API-Key: $FASTINO_API_KEY"

{
  "type": "interactive",
  "training_run_id": "YOUR_SESSION_ID:train:0",
  "base_model": "Qwen/Qwen3.6-35B-A3B",
  "model_owner": "YOUR_TEAM_ID",
  "is_lora": true,
  "corrupted": false,
  "lora_rank": 32,
  "last_request_time": "2026-10-09T18:42:10Z",
  "last_checkpoint": {
    "checkpoint_id": "weights/step-100",
    "checkpoint_type": "training",
    "time": "2026-10-09T18:40:00Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/weights/step-100",
    "size_bytes": 503316480,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "last_sampler_checkpoint": {
    "checkpoint_id": "sampler_weights/step-100",
    "checkpoint_type": "sampler",
    "time": "2026-10-09T18:40:02Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/sampler_weights/step-100",
    "size_bytes": 167772160,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "user_metadata": {"experiment": "baseline"}
}

GET /v1/training/jobs/{job_id} Returns one training run visible to the caller, with its latest training-state and sampler checkpoints.

Request

string

required

Your Fastino API key.

string

required

Training-run ID. This is the model ID the Tinker-compatible SDK returns when it creates a training client, in the form SESSION_ID:train:N.

curl https://api.fastino.ai/v1/training/jobs/YOUR_JOB_ID \
  -H "X-API-Key: $FASTINO_API_KEY"

Response

string

Always interactive: a training run you drive with the Tinker-compatible SDK.

string

Training-run ID.

string

Base model the run trains.

string

ID of the team that owns the run.

boolean

Whether the run trains a LoRA adapter.

boolean

Whether the run’s training state is unusable and the run can no longer take training steps.

integer | null

LoRA rank, when the run trains a LoRA adapter.

string

ISO 8601 timestamp of the run’s most recent SDK request.

object | null

Most recent training-state checkpoint, or null. Checkpoint fields are described in List training-run checkpoints.

object | null

Most recent sampler-weights checkpoint, or null.

object | null

String key-value metadata attached when the run was created.

{
  "type": "interactive",
  "training_run_id": "YOUR_SESSION_ID:train:0",
  "base_model": "Qwen/Qwen3.6-35B-A3B",
  "model_owner": "YOUR_TEAM_ID",
  "is_lora": true,
  "corrupted": false,
  "lora_rank": 32,
  "last_request_time": "2026-10-09T18:42:10Z",
  "last_checkpoint": {
    "checkpoint_id": "weights/step-100",
    "checkpoint_type": "training",
    "time": "2026-10-09T18:40:00Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/weights/step-100",
    "size_bytes": 503316480,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "last_sampler_checkpoint": {
    "checkpoint_id": "sampler_weights/step-100",
    "checkpoint_type": "sampler",
    "time": "2026-10-09T18:40:02Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/sampler_weights/step-100",
    "size_bytes": 167772160,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "user_metadata": {"experiment": "baseline"}
}

An unknown run, or a run you cannot see, returns 404.

⌘I

curl https://api.fastino.ai/v1/training/jobs/YOUR_JOB_ID \
  -H "X-API-Key: $FASTINO_API_KEY"

{
  "type": "interactive",
  "training_run_id": "YOUR_SESSION_ID:train:0",
  "base_model": "Qwen/Qwen3.6-35B-A3B",
  "model_owner": "YOUR_TEAM_ID",
  "is_lora": true,
  "corrupted": false,
  "lora_rank": 32,
  "last_request_time": "2026-10-09T18:42:10Z",
  "last_checkpoint": {
    "checkpoint_id": "weights/step-100",
    "checkpoint_type": "training",
    "time": "2026-10-09T18:40:00Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/weights/step-100",
    "size_bytes": 503316480,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "last_sampler_checkpoint": {
    "checkpoint_id": "sampler_weights/step-100",
    "checkpoint_type": "sampler",
    "time": "2026-10-09T18:40:02Z",
    "tinker_path": "tinker://YOUR_SESSION_ID:train:0/sampler_weights/step-100",
    "size_bytes": 167772160,
    "public": false,
    "user_metadata": null,
    "expires_at": null
  },
  "user_metadata": {"experiment": "baseline"}
}

​Request

​Response

Request

Response