Twilio

SMS · Username and password · No webhooks

527tools · 267 write

Agents can call 527 tools for Twilio: 260 that read and 267 that write. 4 are unified tools that work the same across SMS apps; 523 are Twilio's own API. Writes wait for a person to approve them.

523 operations from the vendor's own spec (10 specs), checked nightly by the API registry; last changed 31 Oct 2026.