---
title: "List Model Checkpoints"
method: GET
path: "/v2/models/{model_id}/checkpoints"
tags: ["models"]
---

# List Model Checkpoints

`GET /v2/models/{model_id}/checkpoints`

List a trainable model's checkpoint tree.

## Path parameters

- `model_id` string, uuid, required

## Response `200`

Successful Response

- CheckpointResponse[]
  - `id` string, uuid, required
  - `name` string, nullable
  - `checkpoint_name` string, nullable
  - `prev_model_checkpoint_id` string, uuid, nullable
  - `is_active` boolean
  - `created_at` string, date-time, required
  - `num_traces` integer, nullable
  - `num_datums` integer, nullable
  - `num_tokens` integer, nullable
  - `mean_reward` number, nullable
  - `learning_rate` number, nullable
  - `loss_fn` string, nullable
  - `metrics` object
  - `jobs` CheckpointRef[]
    - `id` string, uuid, required
    - `name` string, nullable
  - `tasksets` CheckpointRef[]
    - `id` string, uuid, required
    - `name` string, nullable
  - `session_id` string, uuid, nullable
  - `session_name` string, nullable
  - `reward_groups` array[]
    - number[]

## Other responses

- `400` — Invalid or malformed request
- `401` — Missing or invalid credentials
- `403` — Caller may not access this resource
- `404` — Referenced entity does not exist
- `409` — Resource already exists
- `422` — Validation Error

---

[API](https://skmtc.dev/hud/apis/hud-platform.md) · [All operations](https://skmtc.dev/hud/apis/hud-platform/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/hud/hud-platform/revisions/f4d79d769332/schema)