---
title: "Start Registry Artifacts Backfill"
method: POST
path: "/admin/registry/versions/artifacts/backfill"
tags: ["admin:registry"]
---

# Start Registry Artifacts Backfill

`POST /admin/registry/versions/artifacts/backfill`

## Request

- Base URL: `https://platform.tracecat.com/api`
- URL: `https://platform.tracecat.com/api/admin/registry/versions/artifacts/backfill`
- Auth: API key in cookie `fastapiusersauth`

Start a workflow to backfill artifacts for selected versions.

## Request body

- RegistryArtifactsBackfillStartRequest: Request to start an artifact backfill workflow for selected versions.
  - `version_ids` string[], required

## Response `200`

Successful Response

- RegistryArtifactsBackfillStartResponse: Response after scheduling an artifact backfill workflow.
  - `workflow_id` string, required
  - `requested_count` integer, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/tracecat/apis/tracecat-api.md) - [All operations](https://skmtc.dev/tracecat/apis/tracecat-api/llms.txt) - [OpenAPI document](https://skmtc.dev/tracecat/apis/tracecat-api/revisions/2efdda25045f?raw)