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The click-to-call API lets you initiate phone calls from your application. Astradial calls the “from” party first, and when they answer, connects them to the “to” party.

Endpoint

Authentication

Requires an API key with calls.click_to_call permission.

Request body

Example: agent calls a customer

Example: connect two extensions

How it works

  1. Astradial calls the from number/extension
  2. When they answer, Astradial calls the to number/extension
  3. When both answer, they are connected in a call
  4. Either party can hang up to end the call

Response

If the call fails: