openapi: 3.0.3
info:
  title: Chainstack Arbitrum Node Account Info Execute Transactions API
  version: 1.0.0
  description: Chainstack-managed RPC node API for the Arbitrum blockchain. Endpoints follow the canonical JSON-RPC over HTTPS interface for the network. Authenticate against your Chainstack node's per-node URL (e.g. https://nd-XXX-XXX-XXX.p2pify.com/<key>). Merged from the Chainstack Developer Portal per-method fragments at https://github.com/chainstack/dev-portal/tree/main/openapi/arbitrum_node_api.
  contact:
    name: Chainstack API Support
    email: support@chainstack.com
  license:
    name: Chainstack Terms
    url: https://chainstack.com/terms-of-service/
servers:
- url: https://{node_id}.p2pify.com/{api_key}
  description: Chainstack-managed node endpoint
  variables:
    node_id:
      default: nd-000-000-000
      description: Your Chainstack node identifier
    api_key:
      default: <api-key>
      description: Per-node access key
tags:
- name: Execute Transactions
paths:
  /eth_call:
    post:
      tags:
      - Execute Transactions
      summary: Eth_Call
      operationId: ethCall
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                jsonrpc:
                  type: string
                  default: '2.0'
                method:
                  type: string
                  default: eth_call
                id:
                  type: integer
                  default: 1
                params:
                  type: array
                  items:
                    type: object
                    title: Call object
                    properties:
                      to:
                        type: string
                        description: The address of the contract to call.
                      data:
                        type: string
                        description: The data to send with the call.
                  default:
                  - to: '0x1F98431c8aD98523631AE4a59f267346ea31F984'
                    data: '0x8da5cb5b'
                  - latest
      responses:
        '200':
          description: The result of the call.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                  id:
                    type: integer
                  result:
                    type: string
  /eth_sendRawTransaction:
    post:
      tags:
      - Execute Transactions
      summary: eth_sendRawTransaction
      operationId: sendRawTransaction
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                id:
                  type: integer
                  default: 1
                jsonrpc:
                  type: string
                  default: '2.0'
                method:
                  type: string
                  default: eth_sendRawTransaction
                params:
                  type: array
                  items:
                    anyOf:
                    - type: string
                      description: The signed transaction.
                  default:
                  - '0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675'
      responses:
        '200':
          description: The transaction hash.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                  id:
                    type: integer
                  result:
                    type: object
  /eth_sendRawTransactionSync:
    post:
      tags:
      - Execute Transactions
      summary: eth_sendRawTransactionSync
      operationId: sendRawTransactionSync
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - jsonrpc
              - method
              - id
              - params
              properties:
                jsonrpc:
                  type: string
                  default: '2.0'
                method:
                  type: string
                  default: eth_sendRawTransactionSync
                id:
                  type: integer
                  default: 1
                params:
                  type: array
                  default:
                  - '0xf86c808504a817c80082520894ab5db0e98b8ea6b7f9d8ad8e8ed0bc8fba0d1a2f870de0b6b3a764000080821b9f'
                  items:
                    oneOf:
                    - type: string
                    - type: integer
                  minItems: 1
                  maxItems: 2
            examples:
              example1:
                summary: Submit raw transaction with timeout
                value:
                  jsonrpc: '2.0'
                  method: eth_sendRawTransactionSync
                  params:
                  - '0xf86c808504a817c80082520894ab5db0e98b8ea6b7f9d8ad8e8ed0bc8fba0d1a2f870de0b6b3a764000080821b9f'
                  - 5000
                  id: 1
      responses:
        '200':
          description: Successful transaction submission with receipt
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                    example: '2.0'
                  id:
                    type: integer
                    example: 1
                  result:
                    type: object
                    properties:
                      transactionHash:
                        type: string
                        example: '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef'
                      blockHash:
                        type: string
                        example: '0xabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd'
                      blockNumber:
                        type: string
                        example: '0x12345'
                      gasUsed:
                        type: string
                        example: '0x5208'
                      status:
                        type: string
                        example: '0x1'
  /eth_simulateV1:
    post:
      summary: eth_simulateV1
      operationId: simulateV1
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                jsonrpc:
                  type: string
                  default: '2.0'
                id:
                  type: integer
                  default: 1
                method:
                  type: string
                  default: eth_simulateV1
                params:
                  type: array
                  default:
                  - blockStateCalls:
                    - blockOverrides:
                        baseFeePerGas: '0x9'
                      stateOverrides:
                        '0xc000000000000000000000000000000000000000':
                          balance: '0x4a817c800'
                      calls:
                      - from: '0xc000000000000000000000000000000000000000'
                        to: '0xc000000000000000000000000000000000000001'
                        maxFeePerGas: '0xf'
                        value: '0x1'
                      - from: '0xc000000000000000000000000000000000000000'
                        to: '0xc000000000000000000000000000000000000002'
                        maxFeePerGas: '0xf'
                        value: '0x1'
                    validation: true
                    traceTransfers: true
                  - latest
                  items:
                    oneOf:
                    - type: object
                      properties:
                        blockStateCalls:
                          type: array
                          items:
                            type: object
                            properties:
                              blockOverrides:
                                type: object
                                properties:
                                  baseFeePerGas:
                                    type: string
                              stateOverrides:
                                type: object
                                additionalProperties:
                                  type: object
                                  properties:
                                    balance:
                                      type: string
                              calls:
                                type: array
                                items:
                                  type: object
                                  properties:
                                    from:
                                      type: string
                                    to:
                                      type: string
                                    maxFeePerGas:
                                      type: string
                                    value:
                                      type: string
                        validation:
                          type: boolean
                        traceTransfers:
                          type: boolean
                    - type: string
              required:
              - jsonrpc
              - id
              - method
              - params
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                  id:
                    type: integer
                  result:
                    type: object
      tags:
      - Execute Transactions
  /eth_createAccessList:
    post:
      tags:
      - Execute Transactions
      summary: eth_createAccessList
      operationId: eth_createAccessList
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                id:
                  type: integer
                  default: 1
                jsonrpc:
                  type: string
                  default: '2.0'
                method:
                  type: string
                  default: eth_createAccessList
                params:
                  type: array
                  default:
                  - to: '0x0000000000000000000000000000000000000000'
                    data: 0x
                  - latest
      responses:
        '200':
          description: The access list and estimated gas.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                  id:
                    type: integer
                  result:
                    type: object
  /eth_estimateGas:
    post:
      tags:
      - Execute Transactions
      summary: eth_estimateGas
      operationId: estimateGas
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                id:
                  type: integer
                  default: 1
                jsonrpc:
                  type: string
                  default: '2.0'
                method:
                  type: string
                  default: eth_estimateGas
                params:
                  type: array
                  items:
                    anyOf:
                    - type: object
                      title: Transaction
                      description: The transaction call object.
                  default:
                  - to: '0x0000000000000000000000000000000000000000'
      responses:
        '200':
          description: Generates and returns an estimate of how much gas is necessary for the transaction to complete.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                  id:
                    type: integer
                  result:
                    type: object
                    nullable: true