---
title: "Get ReviewChange by ID"
method: GET
path: "/api/v3/review-change/{review_change_id}"
tags: ["Review Change"]
---

# Get ReviewChange by ID

`GET /api/v3/review-change/{review_change_id}`

## Request

- Base URL: `https://{tenant_name}.benchling.com`
- URL: `https://{tenant_name}.benchling.com/api/v3/review-change/{review_change_id}`
- Auth: HTTP bearer

Get a single ReviewChange by ID.

## Path parameters

- `review_change_id` string, required

## Query parameters

- `returning` string[]
- `omit` string[]

## Headers

- `EARLY-ACCESS` string

## Response `200`

OK

- ReviewChange: Represents a single action taken within a review. ReviewChanges form an ordered history of all changes made to a review, including status transitions, reviewer assignments, and comments. Each ReviewChange records the action taken, any associated comment, whether it was electronically signed, and an optional point-in-time snapshot.
  - `__typename` string
  - `action` 'SEND_FOR_REVIEW' | 'REQUEST_CHANGES' | 'APPROVE' | 'REJECT' | 'RETRACT' | 'ACCEPT' | 'COMPLETE' | 'COMPLETE_CYCLE' | 'SIGN' | 'REVIEW' | 'WITNESS' | 'SELF_REVIEW' | 'COMMENT' | 'REASSIGN': The action taken
  - `comment` string, nullable: Optional comment associated with this change
  - `createdAt` string, datetime: When this change occurred
  - `eSigned` boolean, nullable: Whether this change was electronically signed
  - `id` string: ID of the review change
  - `review` ReviewRef
    - `__typename` string
    - `id` string, api_id
  - `snapshot` ReviewSnapshot: A point-in-time snapshot of a reviewable item (e.g. an Entry) captured when a review action was taken. Snapshots are a configurable feature enabled via ENABLE_ELN_REVIEW_SNAPSHOTS. When status is SUCCEEDED, a time-limited downloadUrl is available.
    - `__typename` string
    - `downloadUrl` string, nullable: URL to download the snapshot export. Only present when status is SUCCEEDED.
    - `size` integer, nullable: Size of the snapshot export in bytes. Only present when status is SUCCEEDED.
    - `status` 'PENDING' | 'RUNNING' | 'SUCCEEDED' | 'FAILED': Status of the snapshot export

## Other responses

- `400`: Bad Request
- `403`: Forbidden
- `404`: Not Found
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/benchling/apis/benchling-api.md) - [All operations](https://skmtc.dev/benchling/apis/benchling-api/llms.txt) - [OpenAPI document](https://skmtc.dev/benchling/apis/benchling-api/revisions/3873a10bf7b8?raw)