API (Application Programming Interface) is a set of functions that are used to access certain applications. Therefore, a travel API features various kinds of travel deals, details, and services that can be accessed by third-party vendors.
In order to have a prominent online presence, every travel portal needs to develop an interactive API (Application Program Interface). If you also like to have an interactive API, then you should consider taking some extra measures. After all, this would be used by your customers to access your services and interact with you on a daily basis.