Numerous API integration were needed. A meticulous examination was conducted for each existing plugin. Comprehensive code analysis guided the customization process to seamlessly align them with version 2.1.10. Furthermore, the default view of the Admin Backend Login page was tailored to enhance user experience. API Integration We seamlessly integrated five-channel managers – ‘HotelSpider,’ ‘YieldPlanet,’ ‘VerticalBooking,’ ‘Kognitiv,’ and ‘RateDock’ – into the HotelCard framework. This was accomplished through various methods, including HTTP RAW POST and SOAP, based on the requirements of each manager. The PUSH method was uniformly adopted across all managers to facilitate updates to rates, inventory, and booking information.