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 Kaleyra Voice API:


  1. API Response format
  2. API Response Parameters
  3. API Authentication
  4. API Error Codes
  5. API Submission Status
  6. API Operator level status

Base URL

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


https://api-voice.kaleyra.com/v1/?api_key=Ad9e5XXXXXXXXXXXXX

Still facing trouble using the API?


We have the best support team that works 24*7 providing regional language support globally. You can get in touch with them at [email protected] and we'll address your concern.