---
title: "GetBeaconStatesForkByStateId"
method: GET
path: "/{apiKey}/eth/v1/beacon/states/{stateId}/fork"
---

# GetBeaconStatesForkByStateId

`GET /{apiKey}/eth/v1/beacon/states/{stateId}/fork`

Get fork object for requested state. Returns [Fork](https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/phase0/beacon-chain.md#fork) object for state with given 'stateId'.

## Path parameters

- `apiKey` string, required — <style> .custom-style { color: #048FF4; } </style> For higher throughput, please <span class="custom-style"><a href="../docs/quick-start-guide#-creating-your-api-key-on-the-zan-platform" target="_blank">create your own API key</a></span>.
- `stateId` string, required

## Response `200`

The fork object

- object
  - `execution_optimistic` boolean, required — True if the response references an unverified execution payload. Optimistic information may be invalidated at a later time. If the field is not present, assume the False value.
  - `finalized` boolean, required — True if the response references the finalized history of the chain, as determined by fork choice. If the field is not present, additional calls are necessary to compare the epoch of the requested information with the finalized checkpoint.
  - `data` object, required — The [`Fork`](https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/phase0/beacon-chain.md#fork) object from the CL spec.
    - `previous_version` string, hex, required — a fork version number
    - `current_version` string, hex, required — a fork version number
    - `epoch` string, required

---

[API](https://skmtc.net/zan/apis/zan-getnftmetadata.md) · [All operations](https://skmtc.net/zan/apis/zan-getnftmetadata/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zan/zan-getnftmetadata/versions/be8fa2338895/schema)