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    Standard Ethereum JSON-RPC 2.0

    Quickstart

    Pinax RPC endpoints are standard JSON-RPC 2.0 over HTTPS. Pick a network, embed your API key in the URL path, and POST a JSON-RPC body. Browse the full method catalog below or hit Try it on any method to send a live request.

    No API key on this team yet — sample shows YOUR_API_KEY placeholder.
    cURL
    1curl 'https://arbsepolia.rpc.service.pinax.network/v1/YOUR_API_KEY/' \
    2  -H 'Content-Type: application/json' \
    3  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'
    execution

    eth_feeHistory

    KEY REQUIRED

    Fee history

    Returns base fees and gas usage for the requested block range — input for EIP-1559 fee estimation.

    POST
    https://arbsepolia.rpc.service.pinax.network/v1/<API_KEY>/

    Supported networks (30)

    ArbitrumArbitrumArbitrum OneArbitrum OneAvalancheAvalancheAvalancheAvalancheBaseBaseBaseBaseBlastBlastBNBBNBBNBBNBCeloCeloCeloCeloEthereumEthereum+18 more

    Required parameters

    NameTypeDescription
    blockCountrequired
    		hex
    Number of blocks to look back (hex, max 1024).
    e.g. 0x5
    newestBlockrequired
    		block
    Newest block in the range.
    e.g. latest

    Optional parameters

    NameTypeDescription
    rewardPercentiles
    		json
    JSON array of percentiles (0-100) to compute reward values for.
    e.g. [25,50,75]

    Request body

    {
  "jsonrpc": "2.0",
  "id": 1,
  "method": "eth_feeHistory"
}

    Response

    200 OK

    Object with `baseFeePerGas`, `gasUsedRatio`, and optional `reward`.

    {
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "oldestBlock": "0x14a2bfa",
    "baseFeePerGas": [
      "0x3a3529440",
      "0x39d8a4a10",
      "0x3a8c1b290",
      "0x3b1abf3a0",
      "0x3a78b8c80",
      "0x3a04bc320"
    ],
    "gasUsedRatio": [
      0.42,
      0.51,
      0.49,
      0.45,
      0.5
    ],
    "reward": [
      [
        "0x3b9aca00",
        "0x77359400",
        "0xee6b2800"
      ]
    ]
  }
}