openapi: 3.2.0
info:
  title: BerrerGate Tool & Provider Intelligence A2a API
  version: 2.9.0
  description: Free cache-first discovery plus an explicitly gated $0.020 Base-USDC Berrer Evidence Brief, separate no-web inference, and commercially cleared decision products. Evidence Brief routes to commercially cleared wisdom first and uses at most one live search only when needed. Provider purchase and automatic upstream spend authority remain disabled.
servers:
- url: https://api.berrergate.com
tags:
- name: A2a
paths:
  /a2a/v1/message:send:
    post:
      summary: A2A HTTP+JSON provider-decision skill
      responses:
        '200':
          description: A2A Message response
      tags:
      - A2a
      operationId: postA2aV1Message:send
      x-operation-id-source: derived
  /a2a/jsonrpc:
    post:
      summary: A2A JSON-RPC v1.0 SendMessage compatibility interface
      description: Registry-compatible A2A JSON-RPC interface. It returns capability/purchase instructions only and never settles payment.
      responses:
        '200':
          description: JSON-RPC 2.0 SendMessageResponse envelope
      tags:
      - A2a
      operationId: postA2aJsonrpc
      x-operation-id-source: derived