Receiving a request from the Bitrix24 product card for an external system

A list of all materials and forms with the date of the last update.
INRM Bitrix24 there are product cards with different characteristics.
You need to make 2 GET requests to the CRM database in response to which the JSON format with the data will come
By material or form, all data from the product card should be received indicating the date of the last update
The request can only be made from a specific domain.
The input to the performers decision request.