Messaging services
./messaging — Email, SMS, chat, notifications
| service↕ | category↕ | auth↕ | interfaces | pay / commerce | score↓ | |
|---|---|---|---|---|---|---|
 Open-source realtime media infrastructure with the Agents framework, SIP, and phone numbers | Messaging | api key | MCPOpenAPIllms.txt | — | ▮▮▮▮▮ | |
 Email API for developers with React Email, batch sending, and an official MCP server | Messaging | api key | MCPOpenAPIllms.txt | — | ▮▮▮▮▮ | |
 Free bot API with instant programmatic token issuance and webhooks | Messaging | token | — | — | ▮▮▮▮▮ | |
 Voice agent platform handling telephony, turn-taking, interruptions, and warm transfers | Messaging | api key | MCPOpenAPIllms.txt | — | ▮▮▮▮▮ |
// same query as JSON: /api/v1/services?category=communicate
