Twilio REST API

twilio.com

Provides REST APIs for building applications that send SMS/MMS messages, make phone calls, look up phone numbers, verify users, and more.

The Twilio REST API API uses basic authentication; has usage based pricing; offers a free tier (Free trial account with no credit card required). Verified 2026-07-12 with per-field source links.

Communication Verified 2026-07-12 high confidence

Base URL

https://api.twilio.com/2010-04-01

twilio.com ↗

Auth

basic

twilio.com ↗

Free tier

Free trial account with no credit card required

twilio.com ↗

Pricing model

usage_based

twilio.com ↗

Pricing

Pay-as-you-go usage-based pricing; e.g. SMS starts at $0.0083 to send or receive a message, WhatsApp at $0.005, Conversation Relay at $0.07/min; volume discounts as you scale

twilio.com ↗

Rate limits

not documented null

no source

OpenAPI spec

https://github.com/twilio/twilio-oai

github.com ↗

MCP server

not documented null

no source