Overview # The Bandwidth API opens up a world of possibilities for integrating telecom services into your applications. ©2025 Webhooks BXML webhooks are HTTP requests made by the Bandwidth platform to endpoints specified by you in your HTTP requests, BXML and in your Voice application. Bandwidth API Reference, documentation, SDKs, guides, examples and more. A guide that walks through the Bandwidth API to provide carrier information for a telephone number or batch of telephone numbers. Explore its Bandwidth App API: loc cannot exceed 60 characters. Their purpose is Features Our simple, flexible and full-featured Programmable Voice API gives you access to all the tools you need with Bandwidth. Learn how to plan bandwidth requirements for API services. Bandwidth specializes in voice, messaging, and 911 access, making it Using these best Voice call APIs, manage and monitor your customer calls programmatically without user intervention. Transfer With Announcement This shows how to use Bandwidth XML to transfer a phone call with a pre-transfer announcement. How to Retrieve Call Information In this guide we will show you how to retrieve call information Bandwidth's platform. For example: you can set LIDB information on one group of numbers and DLDA Request trial Talk to an expert Call Us +1 800 808 5150 Bandwidth. com CLEC, LLC is a wholly owned subsidiary of Bandwidth Inc. Please ensure you have followed our earlier guide on how to make an Can number lookup be used on international numbers? Dynamic Number Intelligence and Bandwidth’s Number Lookup API provide data on US You can embed outbound calling capabilities directly into your application or product using our API without having to handle legacy telecom infrastructure. ©2025 Disconnect The Disconnect event is fired when a call ends, for any reason. Voice API ¶ The Voice API contains all the methods to create and manage: Phone Calls Conferences Recordings Transcriptions Voice API on the Postman API Network: This public collection features ready-to-use requests and documentation from Bandwidth Public Workspace. The two independent calls can be established synchronously or in parallel, Find out why APIs use less bandwidth than websites. The cause for a disconnect event on a call can be: hangup: one party hung up the call, a <Hangup> verb was . Information about this request can be found on our Voice API Before using the sdk you must initialize at least one client with your Bandwidth App Platform API credentials: Bandwidth offers multiple Voice services, check out the following sections to learn more about each one! Build a custom voice calling application that accesses our voice network using a This sample app shows an even simpler way to get a phone to talk to a browser through Bandwidth's WebRTC and Voice APIs, with Before using the sdk you must initialize a Client with your Bandwidth App Platform API credentials: Or import each individually for better IDE integration: Each of these code sample bandwidth_sdk is a python library for working with Bandwidth Voice And Messaging APIs. Benefit from our round-the To create an outbound call from a Bandwidth number, you must make a POST request to our API v2 /calls endpoint. Bandwidth 911 Access Dashboard UI: Could not update address for the following reason: Address Line 2 must not exceed 60 Request trial Talk to an expert Call Us +1 800 808 5150 Bandwidth. Get Started Before you can make your first API request, you will need to sign up for a Enhance your app with Bandwidth's Voice API for seamless voice calling, bypassing costly telecom setups. Make an outbound call To create Then, Bandwidth's Voice API will hit the /callAnswered endpoint when the separate outgoing call is answered. Get everything you need to build with Bandwidth. We use Bandwidth XML (BXML) so your application Emergency Services The Emergency Services APIs at Bandwidth are hosted with our Dashboard Service and our 911 Access Dashboard service. Currently supports lookups of telephone numbers in How to apply options and features to your numbers This API endpoint allows you to configure different settings for multiple groups of numbers in one API call.

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