EOSIO / Antelope Nodeos Chain API

naftiko: 1.0.0-alpha2
info:
  label: EOSIO / Antelope Nodeos Chain API
  description: HTTP/JSON RPC interface exposed by the chain_api_plugin in nodeos, the reference EOSIO (now Antelope) blockchain
    node implementation. The chain API allows clients to read blockchain state, fetch blocks and accounts, inspect ABI and
    contract data, and submit signed transactions to the network.
  tags:
  - Eosio
  - API
  created: '2026-05-06'
  modified: '2026-05-06'
capability:
  consumes:
  - type: http
    namespace: eosio
    baseUri: https://eos.greymass.com/v1/chain
    description: EOSIO / Antelope Nodeos Chain API HTTP API.
    resources:
    - name: get-info
      path: /get_info
      operations:
      - name: getinfo
        method: GET
        description: Get chain information
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-block
      path: /get_block
      operations:
      - name: getblock
        method: POST
        description: Get a block by ID or number
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-account
      path: /get_account
      operations:
      - name: getaccount
        method: POST
        description: Get account information
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-abi
      path: /get_abi
      operations:
      - name: getabi
        method: POST
        description: Get the ABI for a contract account
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-code
      path: /get_code
      operations:
      - name: getcode
        method: POST
        description: Get contract code for an account
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-currency-balance
      path: /get_currency_balance
      operations:
      - name: getcurrencybalance
        method: POST
        description: Get currency balance for an account
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-table-rows
      path: /get_table_rows
      operations:
      - name: gettablerows
        method: POST
        description: Read rows from a contract table
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: push-transaction
      path: /push_transaction
      operations:
      - name: pushtransaction
        method: POST
        description: Push a signed transaction
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: send-transaction
      path: /send_transaction
      operations:
      - name: sendtransaction
        method: POST
        description: Send a signed transaction
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: get-required-keys
      path: /get_required_keys
      operations:
      - name: getrequiredkeys
        method: POST
        description: Get required keys for a transaction
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    port: 8080
    namespace: eosio-rest
    description: REST adapter for EOSIO / Antelope Nodeos Chain API.
    resources:
    - path: /get_info
      name: getinfo
      operations:
      - method: GET
        name: getinfo
        description: Get chain information
        call: eosio.getinfo
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_block
      name: getblock
      operations:
      - method: POST
        name: getblock
        description: Get a block by ID or number
        call: eosio.getblock
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_account
      name: getaccount
      operations:
      - method: POST
        name: getaccount
        description: Get account information
        call: eosio.getaccount
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_abi
      name: getabi
      operations:
      - method: POST
        name: getabi
        description: Get the ABI for a contract account
        call: eosio.getabi
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_code
      name: getcode
      operations:
      - method: POST
        name: getcode
        description: Get contract code for an account
        call: eosio.getcode
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_currency_balance
      name: getcurrencybalance
      operations:
      - method: POST
        name: getcurrencybalance
        description: Get currency balance for an account
        call: eosio.getcurrencybalance
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_table_rows
      name: gettablerows
      operations:
      - method: POST
        name: gettablerows
        description: Read rows from a contract table
        call: eosio.gettablerows
        outputParameters:
        - type: object
          mapping: $.
    - path: /push_transaction
      name: pushtransaction
      operations:
      - method: POST
        name: pushtransaction
        description: Push a signed transaction
        call: eosio.pushtransaction
        outputParameters:
        - type: object
          mapping: $.
    - path: /send_transaction
      name: sendtransaction
      operations:
      - method: POST
        name: sendtransaction
        description: Send a signed transaction
        call: eosio.sendtransaction
        outputParameters:
        - type: object
          mapping: $.
    - path: /get_required_keys
      name: getrequiredkeys
      operations:
      - method: POST
        name: getrequiredkeys
        description: Get required keys for a transaction
        call: eosio.getrequiredkeys
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    port: 9090
    namespace: eosio-mcp
    transport: http
    description: MCP adapter for EOSIO / Antelope Nodeos Chain API for AI agent use.
    tools:
    - name: getinfo
      description: Get chain information
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: eosio.getinfo
      outputParameters:
      - type: object
        mapping: $.
    - name: getblock
      description: Get a block by ID or number
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getblock
      outputParameters:
      - type: object
        mapping: $.
    - name: getaccount
      description: Get account information
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getaccount
      outputParameters:
      - type: object
        mapping: $.
    - name: getabi
      description: Get the ABI for a contract account
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getabi
      outputParameters:
      - type: object
        mapping: $.
    - name: getcode
      description: Get contract code for an account
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getcode
      outputParameters:
      - type: object
        mapping: $.
    - name: getcurrencybalance
      description: Get currency balance for an account
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getcurrencybalance
      outputParameters:
      - type: object
        mapping: $.
    - name: gettablerows
      description: Read rows from a contract table
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.gettablerows
      outputParameters:
      - type: object
        mapping: $.
    - name: pushtransaction
      description: Push a signed transaction
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.pushtransaction
      outputParameters:
      - type: object
        mapping: $.
    - name: sendtransaction
      description: Send a signed transaction
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.sendtransaction
      outputParameters:
      - type: object
        mapping: $.
    - name: getrequiredkeys
      description: Get required keys for a transaction
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: eosio.getrequiredkeys
      outputParameters:
      - type: object
        mapping: $.