---
title: "Changes to Preview a revision's RAW response + narrowed field map (no persist)"
method: POST
path: "/v1/tools/{tool_id}/revisions/{revision_id}/test"
---

# Changes to Preview a revision's RAW response + narrowed field map (no persist)

`POST /v1/tools/{tool_id}/revisions/{revision_id}/test`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-08-12** `5a5597ebb2d6` — 6 info

## Changes

- **2026-08-12** `5a5597ebb2d6` — 6 info
  - added the optional property `retry_after` to the response with the `400` status
  - added the optional property `retry_after` to the response with the `401` status
  - added the optional property `retry_after` to the response with the `404` status
  - added the optional property `retryable` to the response with the `400` status
  - added the optional property `retryable` to the response with the `401` status
  - added the optional property `retryable` to the response with the `404` status

---

[Operation](https://skmtc.dev/oneloop-hq/apis/feather-api/docs/v1/tools/:tool_id/revisions/:revision_id/test/post.md) · [API](https://skmtc.dev/oneloop-hq/apis/feather-api.md) · [Page](https://skmtc.dev/oneloop-hq/apis/feather-api/changes/v1/tools/:tool_id/revisions/:revision_id/test/post)