The Developer Hub

Welcome to the Developer Documentation Hub. You'll find comprehensive guides and documentation to help you start working with SMS,Voice, 2FA, VMN, SMPP and Outbound Dialing Documentation as quickly as possible, as well as support if you get stuck. Let's jump right in!

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Getting Started with Voice

Learn about the concepts that our APIs can help you build


Kaleyra Voice API facilitates better control on the way you communicate through an API. Dynamically built API enables you to initiate click-to-call, request for number blacklisting, request for call details and create, edit follow ups.

Additionally, you'll be able to view below, the concepts that can be used through Solutions Infini Voice API:

API Response format

API Response Parameters

API Authentication

API Error Codes

API Submission Status

API Operator level status

Base URL

To start using Voice Services, the base URL with default response is provided below:

Still facing trouble using the API?

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