Booking API implementation on wordpress to visbook -- 2

Hello there

I am running a website www.skottneset.no and the web booking system can be improved for more control and functions through API integrations, and look more profesional.

The Project.
We wish to hire a programmer to implement API / booking / Plugin application for wordpress
The website https://skottneset.no/skottnesetferiesenter/ is already developed only need to implement the booking system and the booking prosess should look similar like this page https://utnecamping.no/nb-no/Overnatting/Leiligheter#p-12111
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Visbook API
The VisBook booking-API can be found here
https://ws.visbook.com/swagger/index.html
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The work Scope .
1.Integrate / implement the API booking prosess on the website https://skottneset.no/skottnesetferiesenter
2.The booking prosess / API have to communicate / talk to visbook system through the API and all the booking on the site will then be registered in the visbook booking system.
3.Booking cart / Add to cart
4.Payment gateway nets

I hope there is anyone on this channel who can help us with this project and give us a serious bid.