---
title: "List Training Checkpoints Route"
method: GET
path: "/api/v1/train/{run_id}/checkpoints"
tags: ["training"]
---

# List Training Checkpoints Route

`GET /api/v1/train/{run_id}/checkpoints`

## Request

- Base URL: `https://api.trajectory.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.trajectory.ai/api/v1/train/{run_id}/checkpoints`
- Auth: none declared

List committed checkpoints in ascending step and checkpoint-ID order.

## Path parameters

- `run_id` string, required

## Query parameters

- `cursor` string, nullable
- `limit` integer

## Response `200`

Successful Response

- PaginatedResponseTrainingCheckpointResponse
  - `items` TrainingCheckpointResponse[], required
    - `training_run_id` string, required
    - `xid` string: Training-stage rollout xid that produced the checkpoint.
    - `step_index` integer, required: Training step whose committed checkpoint was resolved; step 0 precedes optimizer updates.
    - `checkpoint_id` string, required: Committed checkpoint id for deploy or checkpoint eval.
    - `base_model_slug` string, required: Base model slug the checkpoint was trained from.
    - `created_at` string, date-time, required: Time the checkpoint was created, in UTC.
    - `is_deployable` boolean: Whether the checkpoint has saved Tinker weights for serving.
  - `next_cursor` string, nullable
  - `has_more` boolean, required

## Changes

- **2026-10-27** `3acee009f14f`: 1 info
  - added the required property `items/items/created_at` to the response with the `200` status
- **2026-10-13** `cdeafc877c06`: 4 info
  - added the new optional `query` request parameter `cursor`
  - added the new optional `query` request parameter `limit`
  - added the optional property `next_cursor` to the response with the `200` status
  - added the required property `has_more` to the response with the `200` status

[Operation history](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/train/:run_id/checkpoints/get.md)

---

[API](https://skmtc.dev/trajectory/apis/trajectory-api.md) - [All operations](https://skmtc.dev/trajectory/apis/trajectory-api/llms.txt) - [OpenAPI document](https://skmtc.dev/trajectory/apis/trajectory-api/revisions/5b5a8ae4b4a4?raw)