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

Get block headers

Get block header

Retrieves block header for given block id.

get

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

Path parameters

block_idstringrequired

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

Example: head

Responses

application/json

application/json

application/json

application/json

cURL

JavaScript

Python

HTTP

cURL

curl -L \
  --url 'https://mainnet.ethereum.validationcloud.io/v1/<YOUR_API_KEY_HERE>//eth/v1/beacon/headers/{block_id}'

200

400

404

500

200

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

Success

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"