Magento 2 API Integration for Turkey's Local Ebay Site Gittigidiyor.com

Hello, We need Magento 2 API Integration for Turkey's Local Ebay Site [login to view URL] We expect to realtime product, order and message sync between magento and gittigidiyor, we wish to contol all processes in magento admin panel. You can check documentation at: [login to view URL] (in turkish you can use your favorite translator) or you can visit translated version: [login to view URL] These are important for us: Support for errors after project completed, support for solving problems and conflictions next magento releases. This information maybe useful for development stage: our products are usually configurable products. Their have size and / or color variations. Also I wish to say that: We are not looking only a developer we need a partner for longtime collaboration. This project is first of our projects, we have 5 other API integration projects and we will post these projects next days. Thank you and good luck!