Use zoho crm api for extension

Use zoho crm api for extension

I create extension for zoho crm using sigma developer console. Which ways to call zoho crm api like this docs? https://www.zoho.com/crm/developer/docs/api/v2/

If its not possible how i can send request to zoho crm from my server? I need some webhook endpoints to do this, but i dont see how.
Connectors is cool, but i need reverse this functionality. I dont wat make request from crm, i need send request to crm like webhooks