twilio-sms-send-message

Overview SMS is one channel in Twilio's Messaging platform. All channels — SMS, WhatsApp, RCS, Facebook Messenger — share the same messages.create() API. See twilio-messaging-overview for the full channel comparison and onboarding sequence. When to use SMS When to consider alternatives Reach any phone number globally Need rich media outside US/CA/AU → WhatsApp No app install required Opted-in audience prefers chat apps → WhatsApp Time-sensitive alerts (OTP, outage) Marketing campaigns → twilio-marketing-promotions-advisor Regulatory/compliance requires SMS Cost-sensitive high-volume → WhatsApp (lower per-msg cost in many markets) For production SMS: Use a Messaging Service ( messagingServiceSid ) instead of a raw from number. It enables sender pool management, compliance toolkit, SMS pumping protection, link shortening, and message scheduling. See twilio-messaging-services . Every outbound SMS requires a from Twilio number (or messagingServiceSid ) and a to recipient — both in E.164 format. Prerequisites Show more Installs 767 Repository twilio/ai GitHub Stars 25 First Seen May 13, 2026 Security Audits Gen Agent Trust Hub Pass Socket Pass Snyk Pass