---
title: "List Versions"
method: GET
path: "/tasks/{task_id}/contracts"
tags: ["tasks"]
---

# List Versions

`GET /tasks/{task_id}/contracts`

## Request

- Base URL: `https://api.os3robotics.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.os3robotics.com/tasks/{task_id}/contracts`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

## Path parameters

- `task_id` string, uuid, required

## Response `200`

Successful Response

- Contract[]
  - `id` string, uuid, required
  - `task_id` string, uuid, required
  - `version` integer, required
  - `record` object, required
  - `sha256` string, nullable, required
  - `created_by` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `frozen_by` string, nullable, required
  - `frozen_at` string, date-time, nullable, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/os3robotics/apis/os3-api.md) - [All operations](https://skmtc.dev/os3robotics/apis/os3-api/llms.txt) - [OpenAPI document](https://skmtc.dev/os3robotics/apis/os3-api/revisions/af32cd4f14bb?raw)