---
title: "List fine-tuning checkpoints"
method: GET
path: "/v1/fine_tuning/jobs/{job_id}/checkpoints"
tags: ["fine-tuning"]
---

# List fine-tuning checkpoints

`GET /v1/fine_tuning/jobs/{job_id}/checkpoints`

## Request

- Base URL: `https://api.tokenfactory.nebius.com`
- URL: `https://api.tokenfactory.nebius.com/v1/fine_tuning/jobs/{job_id}/checkpoints`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/nebius/apis/nebius-openai-compatible-inference-api/docs/v1/fine_tuning/jobs/:job_id/checkpoints/get.ts> (a function with typed inputs; its response is checked against the schema)

Get training checkpoints for a fine-tuning job.

## Path parameters

- `job_id` string, required

## Query parameters

- `limit` integer, nullable
- `after` string, nullable

## Response `200`

Successful Response

- ListCheckpointsResponse
  - `object` string
  - `data` AppModelsFineTuningFineTuningJobCheckpoint[], required
    - `id` string, required
    - `created_at` integer, required
    - `fine_tuned_model_checkpoint` string, required
    - `fine_tuning_job_id` string, required
    - `metrics` Metrics, required: Metrics at the step number during the fine-tuning job.
      - `full_valid_loss` number, nullable
      - `full_valid_mean_token_accuracy` number, nullable
      - `step` number, nullable
      - `train_loss` number, nullable
      - `train_mean_token_accuracy` number, nullable
      - `valid_loss` number, nullable
      - `valid_mean_token_accuracy` number, nullable
    - `object` 'fine_tuning.job.checkpoint', required
    - `step_number` integer, required
    - `result_files` string[], required
  - `first_id` string, nullable
  - `last_id` string, nullable
  - `has_more` boolean

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/nebius/apis/nebius-openai-compatible-inference-api.md) - [All operations](https://skmtc.dev/nebius/apis/nebius-openai-compatible-inference-api/llms.txt) - [OpenAPI document](https://skmtc.dev/nebius/apis/nebius-openai-compatible-inference-api/revisions/0fb323abba3c?raw)