# 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.

- Skill: `sickn33/twilio-communications` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add sickn33/twilio-communications`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sickn33/twilio-communications/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: sickn33 (https://skillmd.com/u/sickn33)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/sickn33/twilio-communications

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# 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.

## Detailed Guide

Read [the detailed guide](references/detailed-guide.md) before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.

## When to Use
- User mentions or implies: twilio
- User mentions or implies: send SMS
- User mentions or implies: text message
- User mentions or implies: voice call
- User mentions or implies: phone verification
- User mentions or implies: 2FA SMS
- User mentions or implies: WhatsApp API
- User mentions or implies: programmable messaging
- User mentions or implies: IVR system
- User mentions or implies: TwiML
- User mentions or implies: phone number verification

## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.