---
title: "Create Checkpoint Export"
method: POST
path: "/api/v1/checkpoints/{checkpoint_id}/exports"
tags: ["checkpoint exports"]
---

# Create Checkpoint Export

`POST /api/v1/checkpoints/{checkpoint_id}/exports`

## 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/checkpoints/{checkpoint_id}/exports`
- Auth: none declared

Start or reuse the LoRA adapter download for a committed checkpoint.

## Path parameters

- `checkpoint_id` string, required

## Response `200`

The export is already ready; fetch it for a download link.

- CheckpointExport
  - `export_id` string, required
  - `checkpoint_id` string, required
  - `export_type` string, required
  - `state` 'queued' | 'preparing' | 'ready' | 'failed', required
  - `download` CheckpointExportDownload
    - `filename` string, required
    - `size_bytes` integer, required
    - `md5` string, required: GCS-verified, base64-encoded MD5 checksum of the complete ZIP.
    - `url` string, required: Signed HTTPS link; request a fresh one after it expires.
    - `url_expires_at` string, date-time, required

## Other responses

- `202`: Successful Response

## Changes

- **2026-10-30** `543dcfc1b949`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/checkpoints/:checkpoint_id/exports/post.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)