Overview
Twilio provides APIs that let developers embed SMS, voice calling, video, and WhatsApp messaging directly into applications, powering everything from two-factor auth codes to customer notification systems, billed on usage rather than seats.
Available On
WebAPI
Key Features
SMS & WhatsApp messaging API
Programmable voice calling
Video API
Verify API for 2FA
Global phone number provisioning
Pros
- Comprehensive, well-documented APIs across nearly every communication channel
- Reliable global delivery infrastructure
- Usage-based pricing scales naturally with the app
Cons
- Per-message/per-minute costs add up at high volume
- Pricing and compliance rules vary significantly by country
- Requires real developer integration work, not plug-and-play
Pricing Plans
Pay as you goFREE
Free
- Usage-based pricing per message/minute
- No monthly minimum
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Integrations
SendGridSlackSalesforce
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Quick Info
Websitewww.twilio.com
CategoryDeveloper Tools
Team SizeENTERPRISE
ReleasedJanuary 1, 2008
Last UpdatedJune 1, 2026
Monthly Visits30.0M
API AvailableYes
Open SourceNo
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Best For
DevelopmentSaaSEnterprise