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Application Programming Interface (API)

Application Programming Interface (API) is a set of subroutine definitions, protocols, and tools for building application software. Communication APIs are APIs that control voice calling and text messaging functionalities within an application.


How is Bandwidth Involved with APIs

Bandwidth provides REST APIs to our customers to manage everything from sending text messages and hosting conference calls to handling phone number porting and SIP Trunking.

The programmatic access to these features allows our customers to automate their workflows and, in turn, increases their customers’ satisfaction.


What are the Benefits of Bandwidth’s APIs

The Bandwidth API Platform makes using APIs even easier. Our fully-featured user interface lets anyone with web development skills create voice and messaging applications. Our platform also includes a load of helpful how-to guides, sample code, and API help libraries to get you started.

Bandwidth makes it easy to get started with our APIs. Your own web developers can do the job, even if they know nothing about telecom. Incorporating voice and messaging is a lot like writing a web application. Plus, there’s no costly capital investment in hardware or specialized telecom equipment, so there’s no need to manage assets, patches, security, or anything else. You can leverage your telecom provider’s cloud hosting and hardware expertise.

Overall, your customers will love the convenience and personalization when you use automated messages to remind them about appointments or service updates. And when you integrate texting and voice calls, you will be free to focus more on customers and less on data entry, so you can increase your value gains and productivity at the same time.



Where We Talk About APIs

On our site

  • Bandwidth Voice & Messaging APIs
  • Bandwidth Voice Services
  • Bandwidth Messaging Services
  • What types of applications can I build with Bandwidth Voice and Messaging APIs?
  • Bandwidth Dashboard API User’s Guide
  • Get your new Bandwidth number
  • In our downloads

  • Delivering Quality Real Time Communications Via API
  • APIs 101
  • Build a Virtual Call Center in 10 Minutes or Less
  • Voice & Messaging APIs – Guide to Getting Started


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    “Bandwidth” refers to Bandwidth Inc. and/or CLEC, LLC.