Membership Booking & API integration of 3/4 applications -- 3

Hello
We’re a membership based boating club and rental company.
We need a API developer to integrate Current website:
Clubevo.ca
We need to add more context and functionality to current website

Scope of requirements
Integration of multiple applications
Booking & membership software
Boat inventory manage & Maintenance service Logs
CRM.
A membership portal for multi membership categories and levels.
-Integration of both booking and membership service  providers to customize the product according to requirements , creating custom solutions to issues which can not deliver within the application. send your past experience in integration & use of SDK & API
First
Integration or inventory booking application; CkeckFront.com and
Second
Membership registration using GrothZone.com

1) Deliver Demo app development CkeckFront.com booking platform - A free trail version is Available


*******Please review this and information plus the attachment for business concepts and links below asap ,
so we can have further conversation on deployment timelines.*******