Complete guide to creating a universal PHP proxy for integrating 1C with Bitrix24 API. Automatic OAuth authorization, request processing and response handling.
Solution for expired_token error when calling telephony.externalcall.finish in Bitrix24. Updating access token via refresh_token with code examples.
How to set up a PHP proxy for secure integration of 1С and Bitrix24 with OAuth authorization. Universal solution for redirecting API requests without direct access to credentials in legacy systems.