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GET /v1/blocks

The most recent blocks

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/arbitrum-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/arbitrum-api/v1/blocks" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/arbitrum-api/v1/blocks", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/arbitrum-api/v1/blocks");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/arbitrum-api/v1/blocks",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "count": 50,
        "blocks": [
            {
                "hash": "0x9fe6ff3aaf36b0cd3c66ec6999ac0d63b1c7c2640cd0b439cb6d808e23cb3567",
                "size": 1334,
                "miner": "0xA4b000000000000000000073657175656e636572",
                "height": 471183140,
                "gas_used": 53517,
                "tx_count": 2,
                "gas_limit": 1125899906842624,
                "timestamp": "2026-06-08T01:18:55.000000Z",
                "burnt_fees": "1070554068000",
                "difficulty": "1",
                "base_fee_per_gas": "20004000"
            },
            {
                "hash": "0x61b6bc73854d6fa97e71086404c08571594c17e806bb707ed6ff63d1eeb0cff7",
                "size": 5114,
                "miner": "0xA4b000000000000000000073657175656e636572",
                "height": 471183139,
                "gas_used": 556164,
                "tx_count": 4,
                "gas_limit": 1125899906842624,
                "timestamp": "2026-06-08T01:18:55.000000Z",
                "burnt_fees": "11123280000000",
                "difficulty": "1",
                "base_fee_per_gas": "20000000"
            },
            {
                "hash": "0x5b40c989a420a1d499c54ab2e1d5898d03ce8fece370867a4b8bff2f60f6447e",
                "size": 1179,
                "miner": "0xA4b000000000000000000073657175656e636572",
                "height": 471183138,
                "gas_used": 118410,
                "tx_count": 4,
                "gas_limit": 1125899906842624,
                "timestamp": "2026-06-08T01:18:55.000000Z",
                "burnt_fees": "2387145600000",
                "difficulty": "1",
                "base_fee_per_gas": "20160000"
            },
            {
                "hash": "0x99d36eb3126177eda671783ae7993bece283e7fd586653a703f178492412598d",
                "size": 883,
                "miner": "0xA4b000000000000000000073657175656e636572",
                "height": 471183137,
                "gas_used": 169651,
                "tx_count": 2,
                "gas_limit": 1125899906842624,
                "timestamp": "2026-06-08T01:18:54.000000Z",
                "burnt_fees": "3407270684000",
                "difficulty": "1",
                "base_fee_per_gas": "20084000"
            },
            {
                "hash": "0x4283f2fe1f7bb9d51faed6aa5af4bc5c230f63c837fb77026cbad4fa564f57e0",
                "size": 882,
                "miner": "0xA4b000000000000000000073657175656e636572",
                "height": 471183136,
                "gas_used": 1583812,
                "tx_count": 2,
                "gas_limit": 1125899906842624,
                "timestamp": "2026-06-08T01:18:54.000000Z",
                "burnt_fees": "31761765848000",
                "difficulty": "1",
                "base_fee_per_gas": "20054000"
            },
            {
                "hash": "0xc311675aa0a09549fc7565579486e8ab3364cc9dde246aacd7863540f7b17f85",
               
…