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CALLR Webhooks API - Sample Source Code

The CallR Webhooks API allows you to subscribe to events that will push a JSON payload to your URL whenever the events occur. With webhooks, you receive a JSON payload when events occur on the CallR platform. It provides webhooks in the form of HTTP POST for all kinds of trigger events that you can use to build a real-time experience for your users. This includes; Events, Pushed data, HMAC signature, Retries and more. The CallR Voice & SMS API is an integrated voice application that enables real time call control, call tracking, call automation, push SMS, click-to-call, detailed reports & stats, audio conferencing and much more. CALLR is a global voice and messaging service.