Blockdaemon DeFi API — Lend and Borrow

naftiko: 1.0.0-alpha2
info:
  label: Blockdaemon DeFi API — Lend and Borrow
  description: Deposit, borrow, repay, withdraw, and position lookup against Aave V2/V3 and Compound V2/V3
    lending markets via the Blockdaemon DeFi API.
  tags:
  - Blockdaemon
  - DeFi
  - Lending
  - Borrowing
  - Aave
  - Compound
  created: '2026-05-25'
  modified: '2026-05-25'
binds:
- namespace: env
  keys:
    BLOCKDAEMON_API_KEY: BLOCKDAEMON_API_KEY
capability:
  consumes:
  - type: http
    namespace: defi-lend-borrow
    baseUri: https://api.expand.network
    description: Lending and borrowing endpoints.
    resources:
    - name: lend-borrow-pools
      path: /lendborrow/getpools
      operations:
      - name: getpools
        method: GET
        description: Returns supply/borrow APYs, liquidity, and reserves across pools.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: protocolId
          in: query
          type: string
          required: true
    - name: lend-borrow-deposit
      path: /lendborrow/deposit
      operations:
      - name: deposit
        method: POST
        description: Build a deposit transaction.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: true
    - name: lend-borrow-borrow
      path: /lendborrow/borrow
      operations:
      - name: borrow
        method: POST
        description: Build a borrow transaction.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: true
    - name: lend-borrow-repay
      path: /lendborrow/repay
      operations:
      - name: repay
        method: POST
        description: Build a repay transaction.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: true
    - name: lend-borrow-withdraw
      path: /lendborrow/withdraw
      operations:
      - name: withdraw
        method: POST
        description: Build a withdraw transaction.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          required: true
    - name: lend-borrow-positions
      path: /lendborrow/getuserpositions
      operations:
      - name: getuserpositions
        method: GET
        description: Snapshot of a user's active lend/borrow positions across markets.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: protocolId
          in: query
          type: string
          required: true
        - name: address
          in: query
          type: string
          required: true
    authentication:
      type: apikey
      key: X-API-Key
      value: '{{env.BLOCKDAEMON_API_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: defi-lend-borrow-rest
    port: 8080
    description: REST adapter for lending and borrowing.
    resources:
    - path: /v1/defi/lendborrow/deposit
      name: lend-borrow-deposit
      description: REST surface for deposits.
      operations:
      - method: POST
        name: deposit
        description: Create a deposit transaction.
        call: defi-lend-borrow.deposit
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: defi-lend-borrow-mcp
    port: 9090
    transport: http
    description: MCP adapter for lending markets.
    tools:
    - name: blockdaemon-get-pools
      description: Returns supply/borrow APYs across lending pools.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: defi-lend-borrow.getpools
      with:
        protocolId: tools.protocolId
      outputParameters:
      - type: object
        mapping: $.
    - name: blockdaemon-deposit
      description: Create a deposit transaction.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: defi-lend-borrow.deposit
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: blockdaemon-borrow
      description: Create a borrow transaction.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: defi-lend-borrow.borrow
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: blockdaemon-repay
      description: Create a repay transaction.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: defi-lend-borrow.repay
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: blockdaemon-withdraw
      description: Create a withdraw transaction.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: defi-lend-borrow.withdraw
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: blockdaemon-get-user-positions
      description: Get a user's lend/borrow position snapshot.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: defi-lend-borrow.getuserpositions
      with:
        protocolId: tools.protocolId
        address: tools.address
      outputParameters:
      - type: object
        mapping: $.