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Bandwidth API Docs

Learn About Bandwidth's Product APIs

Numbers

We’ve got your number. In fact, we have as many of them as you want.

Voice

Need to make a call? Placing and receiving phone calls is fast and easy with Bandwidth Voice.

Messaging

Communication at its most basic. Adding SMS or MMS is a snap.

Emergency

Connect your users to emergency services with fast, reliable, accurate E911 services.

Multi-Factor Authentication

Easily add multi-factor authentication to your software, website, or application.

WebRTC

Quickly add voice calling to your web-based applications without the need for any telecom infrastructure.