Scroll

Scroll JSON-RPC API

Ethereum JSON-RPC over HTTP POST

Documentation GitHub OpenAPI

Specifications

https://raw.githubusercontent.com/api-evangelist/scroll-zkevm/refs/heads/main/openapi/scroll-zkevm-json-rpc-api-openapi.yml

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OpenAPI Specification

openapi: 3.1.0
info:
  title: Scroll JSON-RPC API
  description: Standard Ethereum JSON-RPC interface for the Scroll zkEVM Layer 2. Available on mainnet (chain ID 534352) and Sepolia testnet (chain ID 534351). All methods are exposed as POST requests with a JSON-RPC 2.0 envelope. Scroll is EVM-equivalent; standard eth_*, net_*, web3_* methods work, with rollup-specific opcode notes at rollup.codes/scroll.
  version: '2.0'
  contact:
    name: Scroll Foundation
    url: https://docs.scroll.io/
servers:
- url: https://rpc.scroll.io
  description: Scroll mainnet (chain ID 534352)
- url: https://sepolia-rpc.scroll.io
  description: Scroll Sepolia testnet (chain ID 534351)
tags:
- name: JSON-RPC
  description: Ethereum JSON-RPC over HTTP POST
paths:
  /:
    post:
      tags:
      - JSON-RPC
      summary: Submit a JSON-RPC request
      description: Submit any standard Ethereum JSON-RPC 2.0 request. The `method` field selects the operation. Common methods include `eth_chainId`, `eth_blockNumber`, `eth_getBalance`, `eth_getTransactionByHash`, `eth_getTransactionReceipt`, `eth_call`, `eth_sendRawTransaction`, `eth_estimateGas`, `eth_getBlockByNumber`, `eth_getLogs`, `net_version`, `web3_clientVersion`.
      operationId: jsonRpc
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/JsonRpcRequest'
            examples:
              eth_chainId:
                summary: Get chain ID
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_chainId
                  params: []
              eth_blockNumber:
                summary: Latest block number
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_blockNumber
                  params: []
              eth_getBalance:
                summary: Get ETH balance at latest block
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_getBalance
                  params:
                  - '0x0000000000000000000000000000000000000000'
                  - latest
              eth_call:
                summary: Read-only contract call
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_call
                  params:
                  - to: '0x0000000000000000000000000000000000000000'
                    data: 0x
                  - latest
              eth_sendRawTransaction:
                summary: Submit a signed transaction
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_sendRawTransaction
                  params:
                  - 0xf8...
              eth_getLogs:
                summary: Query event logs
                value:
                  jsonrpc: '2.0'
                  id: 1
                  method: eth_getLogs
                  params:
                  - fromBlock: '0x0'
                    toBlock: latest
                    address: '0x0000000000000000000000000000000000000000'
      responses:
        '200':
          description: JSON-RPC response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/JsonRpcResponse'
components:
  schemas:
    JsonRpcRequest:
      type: object
      required:
      - jsonrpc
      - method
      - id
      properties:
        jsonrpc:
          type: string
          const: '2.0'
        id:
          oneOf:
          - type: integer
          - type: string
        method:
          type: string
          description: JSON-RPC method name (e.g. eth_chainId, eth_blockNumber, eth_call)
        params:
          type: array
          items: {}
          description: Positional parameters for the JSON-RPC method
    JsonRpcResponse:
      type: object
      required:
      - jsonrpc
      - id
      properties:
        jsonrpc:
          type: string
          const: '2.0'
        id:
          oneOf:
          - type: integer
          - type: string
        result:
          description: Method-specific result (present on success)
        error:
          type: object
          description: Present on failure
          properties:
            code:
              type: integer
            message:
              type: string
            data: {}