Twilio: programmable SMS, voice calls, WhatsApp and 2FA (Verify). The default when a clone must reach phones.
Capabilities
Capabilities
- SMS/MMS, voice, WhatsApp Business, Verify (OTP), phone numbers ~$1.15/mo
- Pay-per-message (~$0.008/SMS in US)
Best for
- OTP login, SMS notifications, call features in clones
Not for
- Email-only products; costs compound at volume