---
title: "Returns the Ethereum Layer one context at a specific height"
method: GET
path: "/eth/context/blocknumber/{number}"
---

# Returns the Ethereum Layer one context at a specific height

`GET /eth/context/blocknumber/{number}`

## Request

- The document declares no server URL.
- Auth: none declared
- TypeScript: <https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/docs/eth/context/blocknumber/:number/get.ts> (a function with typed inputs; its response is checked against the schema)

This returns the L1 blocknumber, block hash and timestamp corresponding to a specific
Ethereum context

## Path parameters

- `number` integer, required

## Response `200`

An object representing the Ethereum context

- EthereumContext
  - `blockNumber` integer
  - `timestamp` integer
  - `blockHash` string

## Changes

- **2026-07-17** `ec0cd0f61e01`: 3 breaking
  - added the new path request parameter `number`
  - the `blockNumber` response's property type changed from `uint64` to `integer`, and format from no format to `int64` for status `200`
  - the `timestamp` response's property type changed from `uint64` to `integer`, and format from no format to `int64` for status `200`

[Operation history](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/changes/eth/context/blocknumber/:number/get.md)

---

[API](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later.md) - [All operations](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/llms.txt) - [OpenAPI document](https://skmtc.dev/bobanetwork/apis/ethereum-optimism-data-transport-later/revisions/ec0cd0f61e01?raw)