WhatsApp · OpenAPI Overlay 1.0.0

API Evangelist agent-surfaces overlay for openapi/whatsapp-messages-api-openapi.yml

2 actions 2 updates update extends openapi/whatsapp-messages-api-openapi.yml

Derived by API Evangelist Built from the contracts WhatsApp publishes. WhatsApp did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-agent-surfacesx-mcp-tools

Targets 2

$.info

$.paths['/{phone-number-id}/messages'].post

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist agent-surfaces overlay for openapi/whatsapp-messages-api-openapi.yml
  version: 1.0.0
extends: openapi/whatsapp-messages-api-openapi.yml
x-generated: '2026-11-05'
x-method: derived
x-source: mcp/whatsapp-tool-crosswalk.yml; https://developers.facebook.com/documentation/mcp/whatsapp-business-tools-mcp.md
actions:
- target: $.info
  description: Record the agent-facing surfaces for this API.
  update:
    x-agent-surfaces:
      mcp:
        name: WhatsApp Business Tools
        endpoint: https://mcp.facebook.com/whatsapp_business_tools
        transport: streamable-http
        auth: oauth
        status: beta
        docs: https://developers.facebook.com/documentation/mcp/whatsapp-business-tools-mcp.md
      llms_txt:
      - https://developers.facebook.com/documentation/business-messaging/whatsapp/llms.txt
      - https://developers.facebook.com/documentation/business-messaging/whatsapp/reference/llms.txt
- target: $.paths['/{phone-number-id}/messages'].post
  description: Link sendMessage to the MCP tool(s) that back onto it (see mcp/whatsapp-tool-crosswalk.yml).
  update:
    x-mcp-tools:
    - whatsapp_biz_send_message

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