---
title: "Get a download URL for an interactive training job checkpoint"
method: GET
path: "/v1/training/jobs/{job_id}/checkpoints/{checkpoint_id}/download"
tags: ["training"]
---

# Get a download URL for an interactive training job checkpoint

`GET /v1/training/jobs/{job_id}/checkpoints/{checkpoint_id}/download`

## Request

- Base URL: `https://api.fastino.ai`
- URL: `https://api.fastino.ai/v1/training/jobs/{job_id}/checkpoints/{checkpoint_id}/download`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Get a short-lived signed URL of a tar archive of one of the team's own checkpoints (for sampler weights, the PEFT adapter files). The URL needs no credentials and expires after 15 minutes. Needs the team's weight-download entitlement, as /v1/training/jobs/{job_id}/download does.

## Path parameters

- `job_id` string, required
- `checkpoint_id` string, required

## Response `200`

Successful Response

- CheckpointDownloadResponse: ``GET /v1/training/jobs/{job_id}/checkpoints/{checkpoint_id}/download``: a short-lived signed link.
  - `checkpoint_id` string, required
  - `download_url` string, required: Signed URL of the checkpoint's tar archive; needs no credentials.
  - `expires_in_seconds` integer, required
  - `file_name` string, required
  - `run_id` string, required
  - `success` boolean

## Other responses

- `403`: For downloading models, please contact sales@fastino.ai
- `422`: Validation Error

## Changes

- **2026-10-12** `43d7e06a824b`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/changes/v1/training/jobs/:job_id/checkpoints/:checkpoint_id/download/get.md)

---

[API](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api.md) - [All operations](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/revisions/81465e18c1d2?raw)