Адаптировать xml файл для API акцептора

Нужно сделать, чтобы этот экспорт

https://luxuryestate.adrionika.com/xml_for_luxuryestate.xml

работал на RestAPI.

Далее следует информация от акцептора:

Specification can be found on our website at https://api.immobilienscout24.de. A helpful starting point for our API is https://api.immobilienscout24.de/get-started.html, where you can find "Management App - Useful APIs: Expose API, Import API." Of particular interest to you is the Import API. Information about our Import-Export API can be found here: https://api.immobilienscout24.de/our-apis/import-export.html. 

api.immobilienscout24.de ImmoScout24 API Developer Portal – The Real Estate APIs Get started with building digital Real Estate experiences with ImmoScout24 APIs. Get all the info you need, ranging from API documentation, access to our data products and more.