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Add phone calling, text messaging, and 911 connectivity to your apps, software, or on-premise environment with Bandwidth’s products and services—all backed by an enterprise-trusted platform and nationwide network.

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Communication APIs

Easily embed voice calling, text messaging, and emergency services access into your software or application with our industry-leading APIs.

Explore Communication APIs

Voice API Icon
Voice API

Embed flexible, scalable voice calling into your application with more accurate, 6-second billing, all backed by our nationwide all-IP voice network.

Messaging API Icon
Messaging API

Bandwidth messaging APIs let you build SMS, MMS, and Toll-Free Texting into products and applications.

Emergency Calling API Icon
Emergency Calling API

Connect with emergency services in exciting new ways. Embed public safety access directly into your app or software with our Emergency Calling API.

Video API Icon
Video API

Get seamless in-browser video and audio embedded with our simple WebRTC Video API.

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WebRTC Calling API

Easily build an integrated experience with in-browser calling. Our WebTRC Calling API enables you to quickly add voice calling to your web-based applications without the need for telecom infrastructure.

Authentication API Icon
Authentication API

Give your customers the peace of mind they deserve. Quickly and easily add multi-factor authentication to your software, website, or application to secure user accounts and personal information.

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Enterprise Cloud

Get powerful SIP and emergency services built to seamlessly integrate and scale with your tech stack.

Learn about Enterprise Cloud

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SIP Trunking

Cost-effectively consolidate your local and long distance services onto a single circuit.

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Enterprise 911

Connect your phone numbers, product, or application instantly to 911 with fast, accurate emergency routing.

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Duet for Microsoft Teams

Get the only complete solution for Direct Routing and E911 available direct from a carrier. With software-driven SIP, Duet enables your enterprise to migrate their telecom to Teams with less hassle.

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Direct Access

Connect your infrastructure at the network level for undeniable control and extensive network coverage for voice, toll-free, emergency services, and more.

Explore Direct Access

VoIP Origination Icon
VoIP Origination

Originate calls with Bandwidth’s Inbound Voice. It's powerful, reliable, and built for the enterprise.

VoIP Termination Icon
VoIP Termination

Expertly navigate the world of VoIP termination with Bandwidth’s suite of powerful outbound voice products.

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Toll-Free Services

Discover a fully redundant toll-free voice solution that delivers quality customer conversations clear as a bell.

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International Long Distance

Bandwidth’s International Long Distance solution marries global termination, competitive rates, and enterprise-grade voice quality to create the best international outbound value for your enterprise.

E911 for VoIP/Unified Communications Icon

Bandwidth makes it easy to support 911 from the cloud, delivering precise user location information for the fastest public safety response.

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Emergency Location Management

With E911 Dynamic Location Routing from Bandwidth, 911 dispatchers can send emergency personnel to the right building, floor, or room, saving precious seconds when it counts.

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SMS Gateway

Enable SMS and MMS messaging from your existing numbers with quick and easy activation from our user-friendly phone number dashboard.

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Tools and Services

Access powerful communications tools that help lower operational costs, all backed by an industry-leading team of experts.

Learn about Tools and Services

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Phone Number Management

We’ve combined comprehensive porting APIs, easy-to-use portals, and highly-trained porting specialists to make number porting easier than ever.

Caller ID management Icon
Caller ID Management

We make it easy for you to deliver real-time caller ID on any number - Bandwidth DID or not. Consolidate your services and add CNAM onto your account!