--- name: twilio-communications description: "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." risk: critical source: vibeship-spawner-skills (Apache 2.0) date_added: 2026-02-27 --- # 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.