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OpenAPI Specification

openapi: 3.2.0
info:
  title: Physical Capability Cloud Gateway Protocol API
  version: 0.1.0
  description: Agent-native API for discovering and invoking physical capabilities. See https://capability.network/agent-package.json for the 254-tool agent package.
servers:
- url: https://capability.network
tags:
- name: Protocol
paths:
  /api/protocol/state:
    get:
      operationId: get_api_protocol_state
      responses:
        '200':
          description: Default Response
      tags:
      - Protocol
      summary: Get api protocol state
      x-summary-source: derived
  /api/protocol/fee/{amount}:
    get:
      operationId: get_api_protocol_fee_by_amount
      parameters:
      - schema:
          type: string
        in: path
        name: amount
        required: true
      responses:
        '200':
          description: Default Response
      tags:
      - Protocol
      summary: Get api protocol fee by amount
      x-summary-source: derived
  /api/protocol/token/{tokenAddress}/fees:
    get:
      operationId: get_api_protocol_token_by_tokenaddress_fees
      parameters:
      - schema:
          type: string
        in: path
        name: tokenAddress
        required: true
      responses:
        '200':
          description: Default Response
      tags:
      - Protocol
      summary: Get api protocol token by tokenaddress fees
      x-summary-source: derived
  /api/protocol/escrow/{escrowAddress}/fees:
    get:
      operationId: get_api_protocol_escrow_by_escrowaddress_fees
      parameters:
      - schema:
          type: string
        in: path
        name: escrowAddress
        required: true
      responses:
        '200':
          description: Default Response
      tags:
      - Protocol
      summary: Get api protocol escrow by escrowaddress fees
      x-summary-source: derived
  /api/protocol/create-escrow:
    post:
      operationId: post_api_protocol_create_escrow
      responses:
        '200':
          description: Default Response
      tags:
      - Protocol
      summary: Post api protocol create escrow
      x-summary-source: derived
components:
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
      description: PCC API key (pcc_live_...). Provision at POST /api/auth/provision.
x-payment-info:
  description: Machine-payment metadata for deployment-configured paid routes. MPP is the current default; x402 v2 remains a real legacy opt-in transport.
  discovery: https://capability.network/api/x402/routes
  x402:
    version: 2
    status: legacy-opt-in
    network: eip155:84532
    currency: USDC
    requestHeader: PAYMENT-SIGNATURE
    challengeHeader: PAYMENT-REQUIRED
  mpp:
    status: default-when-configured
    challengeHeader: WWW-Authenticate
    credentialHeader: Authorization