---
title: "Changes to Get historical keys"
method: GET
path: "/v1/contracts/{address}/bigmaps/{name}/historical_keys/{level}"
---

# Changes to Get historical keys

`GET /v1/contracts/{address}/bigmaps/{name}/historical_keys/{level}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 8 revisions.

- **2026-09-01** `a2e2aba5e534`: 3 info

## Changes

- **2026-09-01** `a2e2aba5e534`: 3 info
  - the response property `items/hash` became required for the status `200`
  - the response property `items/key` became required for the status `200`
  - the response property `items/value` became required for the status `200`

---

[Operation](https://skmtc.dev/tzkt/apis/tzkt-api/docs/v1/contracts/:address/bigmaps/:name/historical_keys/:level/get.md) - [API](https://skmtc.dev/tzkt/apis/tzkt-api.md) - [Page](https://skmtc.dev/tzkt/apis/tzkt-api/changes/v1/contracts/:address/bigmaps/:name/historical_keys/:level/get)