---
title: "Changes to Retrieve a Distributed Validator Cluster Effectiveness Object"
method: GET
path: "/v1/effectiveness/{lockHash}"
---

# Changes to Retrieve a Distributed Validator Cluster Effectiveness Object

`GET /v1/effectiveness/{lockHash}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 20 revisions.

- **2026-10-28** `c545dd14c211`: 2 info
- **2026-08-10** `c1aca8ab18b7`: 3 breaking
- **2024-12-05** `3896d3513a5d`: 1 info
- **2024-07-25** `52d1f82e219e`: 1 info

## Changes

- **2026-10-28** `c545dd14c211`: 2 info
  - added the media type `application/json` for the response with the status `404`
  - added the media type `application/json` for the response with the status `500`
- **2026-08-10** `c1aca8ab18b7`: 3 breaking
  - removed the required property `anyOf[#/components/schemas/ClusterEffectivenessResponse]/oneDay` from the response with the `200` status
  - removed the required property `anyOf[#/components/schemas/ClusterEffectivenessResponse]/sevenDay` from the response with the `200` status
  - removed the required property `anyOf[#/components/schemas/ClusterEffectivenessResponse]/thirtyDay` from the response with the `200` status
- **2024-12-05** `3896d3513a5d`: 1 info
  - api operation id `EffectivenessController_getClusterLock` removed and replaced with `EffectivenessController_getClusterLock_v1`
- **2024-07-25** `52d1f82e219e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/obol/apis/obol-api/docs/v1/effectiveness/:lockHash/get.md) - [API](https://skmtc.dev/obol/apis/obol-api.md) - [Page](https://skmtc.dev/obol/apis/obol-api/changes/v1/effectiveness/:lockHash/get)