Hi 1. There already is a feature for that, it's the https://beds24.com/api/v2/#/Bookings/get_bookings endpoint and you just have to specify the channel, then you'll be able to get the bookings for just one OTA at a time. 2. I wouldn't completely rebuild anything, since v1 and v2 is quite similar and...

Hi Ruoling

I'd recommend using this https://wiki.beds24.com/index.php/OTA to set you up as a generic OTA.

If you have any questions regarding those functions, please feel free to write here in the forum or start a support ticket and we'll get back to you as soon as possible.

Best regards

Soren