---
title: "Changes to Detect active censorship"
method: POST
path: "/hydra/v1/detect"
---

# Changes to Detect active censorship

`POST /hydra/v1/detect`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 21 revisions.

- **2026-10-24** `491e71a343b6`: 1 info
- **2026-10-19** `c9aabd44d077`: 4 breaking, 2 warning, 8 info
- **2026-07-13** `3c435bc511f7`: 3 breaking, 2 warning, 7 info
- **2026-04-08** `a46514573a08`: 2 breaking, 1 info

## Changes

- **2026-10-24** `491e71a343b6`: 1 info
  - removed the `known_list` enum value from the `basis` response property for the response status `200`
- **2026-10-19** `c9aabd44d077`: 4 breaking, 2 warning, 8 info
  - the response property `blockingMethod` became nullable for the status `200`
  - the response property `evidenceCount` became nullable for the status `200`
  - the `error` response's property type changed from `string` to `object` for status `400`
  - the `error` response's property type changed from `string` to `object` for status `401`
  - removed the optional property `message` from the response with the `400` status
  - removed the optional property `message` from the response with the `401` status
  - added the non-success response with the status `429`
  - added the optional property `confidenceCalibrated` to the response with the `200` status
  - added the optional property `measurementSource` to the response with the `200` status
  - added the optional property `note` to the response with the `200` status
  - added the required property `error/code` to the response with the `400` status
  - added the required property `error/code` to the response with the `401` status
  - added the required property `error/message` to the response with the `400` status
  - added the required property `error/message` to the response with the `401` status
- **2026-07-13** `3c435bc511f7`: 3 breaking, 2 warning, 7 info
  - the response property `lastChecked` became optional for the status `200`
  - the response property `sources` became optional for the status `200`
  - removed the required property `blockType` from the response with the `200` status
  - removed the request property `includeISPs`
  - removed the optional property `isps` from the response with the `200` status
  - added the optional property `blockingMethod` to the response with the `200` status
  - added the optional property `evidenceCount` to the response with the `200` status
  - added the optional property `measured` to the response with the `200` status
  - added the optional property `methods` to the response with the `200` status
  - added the optional property `permalink` to the response with the `200` status
  - added the required property `basis` to the response with the `200` status
  - added the required property `status` to the response with the `200` status
- **2026-04-08** `a46514573a08`: 2 breaking, 1 info
  - the response property `message` became optional for the status `400`
  - the response property `message` became optional for the status `401`
  - the endpoint scheme security `ApiKeyAuth` was added to the API

---

[Operation](https://skmtc.dev/voidly/apis/voidly-api/docs/hydra/v1/detect/post.md) - [API](https://skmtc.dev/voidly/apis/voidly-api.md) - [Page](https://skmtc.dev/voidly/apis/voidly-api/changes/hydra/v1/detect/post)