---
title: "Read Policy Rollout"
method: GET
path: "/policy-rollouts/{rollout_id}"
tags: ["robots"]
---

# Read Policy Rollout

`GET /policy-rollouts/{rollout_id}`

## 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/policy-rollouts/{rollout_id}`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

## Path parameters

- `rollout_id` string, uuid, required

## Response `200`

Successful Response

- PolicyRollout
  - `stage` string, required
  - `held` string, nullable, required
  - `reason` string, nullable, required
  - `soak_s` integer, nullable, required
  - `report_timeout_s` integer, nullable, required
  - `acceptance` Acceptance, required: What judges each stage of a policy rollout: the task's success rate on the stage's first `min_attempts` autonomous attempts, which passes when its 95% Wilson lower bound is at least `min_success`.
    - `task_id` string, required
    - `contract_version` integer, required
    - `min_attempts` integer, required
    - `min_success` number, required
  - `stage_started_at` string, date-time, nullable, required
  - `stages` object[], required
  - `created_by` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `id` string, uuid, required
  - `workspace_id` string, uuid, required
  - `model_version_id` string, uuid, required
  - `endpoint_id` string, uuid, required
  - `targets` PolicyTarget[], required
    - `robot_id` string, uuid, required
    - `position` integer, required
    - `ring` string, required
    - `status` string, required
    - `from_deployment_id` string, uuid, nullable, required
    - `from_model_version_id` string, uuid, nullable, required
    - `from_checkpoint_sha256` string, nullable, required
    - `deployment_id` string, uuid, nullable, required
    - `back_deployment_id` string, uuid, nullable, required
    - `reason` string, nullable, required
    - `applied_at` string, date-time, nullable, required
    - `updated_at` string, date-time, 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)