TL;DR - Twilio
- Phone calls, SMS, and video via simple API
- Send your first message with 5 lines of code
- Global reach to 180+ countries
Pricing: Free plan available
Best for: Growing teams
Pricing Plans
free trialMost Popular
Pay-as-you-go
Free
Usage-based
- SMS from $0.0079/msg
- Voice from $0.0085/min
- WhatsApp from $0.005/msg
- Video from $0.004/min
Flex (Contact Center)
$1/active user hour
Or $150/named user
- 5K free hours
- Omnichannel
- CRM integrations
Segment
$120/month
10K visitors
- CDP
- Connections
- 14-day trial
About Twilio
Twilio provides communications APIs for developers. SMS, voice, video, and more—the building blocks for communication features.
The APIs are comprehensive. The documentation is excellent. The platform is proven.
Developers adding communication features choose Twilio because it covers every channel.
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Twilio FAQ
Twilio uses usage-based pricing. SMS costs around $0.0079/message (US), voice calls from $0.0085/minute, and WhatsApp messages from $0.005. Free trial includes $15 credit.
Twilio enables SMS, voice calls, video, WhatsApp, email (SendGrid), and verification. It's used for two-factor auth, notifications, customer support, and communication apps.
SendGrid (acquired by Twilio) is an email delivery platform. Free tier sends 100 emails/day. It's used for transactional emails, marketing campaigns, and email API integration.
Yes, Twilio supports SMS in 180+ countries, voice in 100+ countries, and WhatsApp globally. It handles carrier compliance, local numbers, and international regulations.
Verify is Twilio's ready-to-use verification service for SMS, voice, email, and WhatsApp OTP. It handles the entire verification flow including delivery and rate limiting.
Yes, Twilio Video enables real-time video calling in your app. It supports group calls, screen sharing, and recording. Pricing starts at $0.004/participant/minute.
Twilio is the market leader with the most features and reliability. Vonage (Nexmo) and MessageBird are alternatives. Twilio's developer experience and documentation are industry-leading.