---
title: "getVerificationKeyHistory*"
method: GET
path: "/v1/zkapps/{address}/verification-key-history"
tags: ["ZkApps"]
---

# getVerificationKeyHistory\*

`GET /v1/zkapps/{address}/verification-key-history`

## Request

- Base URL: `https://api.blockberry.one/mina-devnet`
- URL: `https://api.blockberry.one/mina-devnet/v1/zkapps/{address}/verification-key-history`
- Auth: API key in header `x-api-key`

Check when the queried zkApp account changed the verification key.

## Path parameters

- `address` string, required: Enter full zkApp address

## Response `200`

OK

- VerificationKeyHistoryDto[]
  - `timestamp` integer
  - `verificationKey` string
  - `verificationKeyHash` string

---

[API](https://skmtc.dev/blockberry/apis/mina-devnet-api.md) - [All operations](https://skmtc.dev/blockberry/apis/mina-devnet-api/llms.txt) - [OpenAPI document](https://skmtc.dev/blockberry/apis/mina-devnet-api/revisions/6e632047a36f?raw)