# Twilio Communications

> Build communication features with Twilio: SMS messaging, voice calls, WhatsApp Business API, and user verification (2FA). Covers the full spectrum from simple notifications to complex IVR systems and multi-channel authentication. Critical focus on compliance, rate limits, and error handling. Use when: twilio, send SMS, text message, voice call, phone verification.

- Skill: `nguyenphiikhanh/twilio-communications` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add nguyenphiikhanh/twilio-communications`
- Raw SKILL.md: https://api.skillmd.com/api/skills/nguyenphiikhanh/twilio-communications/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: nguyenphiikhanh (https://skillmd.com/u/nguyenphiikhanh)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/nguyenphiikhanh/twilio-communications

---


# Twilio Communications

## Patterns

## 🧠 Knowledge Modules (Fractal Skills)

### 1. [SMS Sending Pattern](./sub-skills/sms-sending-pattern.md)
### 2. [Twilio Verify Pattern (2FA/OTP)](./sub-skills/twilio-verify-pattern-2faotp.md)
### 3. [TwiML IVR Pattern](./sub-skills/twiml-ivr-pattern.md)