EVM API — Balance

naftiko: 1.0.0-alpha2
info:
  label: EVM API — Balance
  description: 'EVM API — Balance. 2 operations. Lead operation: Get native balance for a set of wallets. Self-contained Naftiko
    capability covering one Moralis business surface.'
  tags:
  - Moralis
  - Balance
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    MORALIS_API_KEY: MORALIS_API_KEY
capability:
  consumes:
  - type: http
    namespace: evm-balance
    baseUri: https://deep-index.moralis.io/api/v2.2
    description: EVM API — Balance business capability. Self-contained, no shared references.
    resources:
    - name: wallets-balances
      path: /wallets/balances
      operations:
      - name: getnativebalancesforaddresses
        method: GET
        description: Get native balance for a set of wallets
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: chain
          in: query
          type: string
          description: The chain to query
        - name: to_block
          in: query
          type: number
          description: The block number on which the balances should be checked
        - name: wallet_addresses
          in: query
          type: array
          description: The addresses to get metadata for
          required: true
    - name: address-balance
      path: /{address}/balance
      operations:
      - name: getnativebalance
        method: GET
        description: Get native balance by wallet
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: chain
          in: query
          type: string
          description: The chain to query
        - name: address
          in: path
          type: string
          description: The address from which the native balance will be checked
          required: true
        - name: to_block
          in: query
          type: number
          description: The block number up to which the balances will be checked.
    authentication:
      type: apikey
      key: X-API-Key
      value: '{{env.MORALIS_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: evm-balance-rest
    port: 8080
    description: REST adapter for EVM API — Balance. One Spectral-compliant resource per consumed operation, prefixed with
      /v1.
    resources:
    - path: /v1/wallets/balances
      name: wallets-balances
      description: REST surface for wallets-balances.
      operations:
      - method: GET
        name: getnativebalancesforaddresses
        description: Get native balance for a set of wallets
        call: evm-balance.getnativebalancesforaddresses
        with:
          chain: rest.chain
          to_block: rest.to_block
          wallet_addresses: rest.wallet_addresses
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/{address}/balance
      name: address-balance
      description: REST surface for address-balance.
      operations:
      - method: GET
        name: getnativebalance
        description: Get native balance by wallet
        call: evm-balance.getnativebalance
        with:
          chain: rest.chain
          address: rest.address
          to_block: rest.to_block
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: evm-balance-mcp
    port: 9090
    transport: http
    description: MCP adapter for EVM API — Balance. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: get-native-balance-set-wallets
      description: Get native balance for a set of wallets
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: evm-balance.getnativebalancesforaddresses
      with:
        chain: tools.chain
        to_block: tools.to_block
        wallet_addresses: tools.wallet_addresses
      outputParameters:
      - type: object
        mapping: $.
    - name: get-native-balance-wallet
      description: Get native balance by wallet
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: evm-balance.getnativebalance
      with:
        chain: tools.chain
        address: tools.address
        to_block: tools.to_block
      outputParameters:
      - type: object
        mapping: $.