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OpenAPI Specification

openapi: 3.2.0
info:
  title: BotFriendly Protocols API
  description: A directory of services AI agents can actually use. Query, filter, and discover bot-friendly APIs, tools, and merchants by category, interface (MCP, OpenAPI, llms.txt) and agent payment/commerce protocol.
  version: 1.0.0
  contact:
    url: https://botfriendly.xyz
servers:
- url: https://botfriendly.xyz/api/v1
tags:
- name: Protocols
paths:
  /protocols:
    get:
      operationId: listProtocols
      summary: List trackable protocols with adoption counts
      description: Returns every protocol on /protocols — how agents call a service (MCP, OpenAPI, A2A), identity and authorization (Cross App Access, AP2, TAP, Agent Pay, ACE), and payment and commerce (x402, MPP, L402, ACP, UCP, ACTP, ICC) — with its name, sponsor, spec URL and how many listed services support it. count is null for A2A and Cross App Access, which aren't listing attributes.
      responses:
        '200':
          description: Protocol stats
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                          description: Protocol slug; for payment and commerce protocols, also the ?protocol= filter value
                        name:
                          type: string
                        description:
                          type: string
                        layer:
                          type: string
                          enum:
                          - interface
                          - identity
                          - settlement
                          - authorization
                          - commerce
                          - bridge
                        spec_url:
                          type: string
                          format: uri
                        sponsor:
                          type: string
                        count:
                          type:
                          - integer
                          - 'null'
                          description: Listed services that support it; null when it isn't a listing attribute
      tags:
      - Protocols