/eth/v1/beacon/headers/{block_id}

Get block headers

Get block header

Retrieves block header for given block id.

GEThttps://mainnet.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>//eth/v1/beacon/headers/{block_id}

Path parameters

block_id*string

Block identifier. Can be one of: "head" (canonical head in node's view), "genesis", "finalized", <slot>, <hex encoded blockRoot with 0x prefix>.

Example: "head"

Response

200400404500

Success

Body

application/json

execution_optimisticall of

dataobject

Request

JavaScriptCurlPython

const response = await fetch('https://mainnet.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>//eth/v1/beacon/headers/{block_id}', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

Response

200400404500

{
  "execution_optimistic": {},
  "data": {
    "root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
    "canonical": false,
    "header": {
      "message": {
        "slot": {},
        "proposer_index": {},
        "parent_root": {},
        "state_root": {},
        "body_root": {}
      },
      "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505"
    }
  }
}

Mainnet

curl -X GET \
    "https://mainnet.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>/eth/v1/beacon/headers/head" \
    -H "Content-Type: application/json"

Testnet

curl -X GET \
    "https://sepolia.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>/eth/v1/beacon/headers/head" \
    -H "Content-Type: application/json"