HTTP API · reference verified
Twilio Messaging
Send SMS, MMS and WhatsApp messages worldwide over a REST endpoint.
- endpoint
https://api.twilio.com/2010-04-01/Accounts/{AccountSid}/Messages.json- auth
- HTTP Basic (SID + auth token)
- capabilities
- send an sms · send whatsapp message · send a text message
- tags
- sms · messaging
- pricing
- per message
- i/o
- application/x-www-form-urlencoded → application/json
- machine-readable
- /api/public/registry/twilio-messaging-api
Agents can discover Twilio Messaging through the Agent Nexus MCP server, /llms.txt or the discovery API.