Depending on the scope and complexity, integrating a travel API usually costs between $5,000 and $50,000+. The type of API (flights, hotels, car rentals, or full booking engines), the provider (GDS like Amadeus or Sabre vs. aggregators), and the necessary features (real-time availability, pricing, and payments) all affect the cost of integrating travel APIs. Backend integration, front... https://www.adivaha.com/cost-of-travel-api-integration-what-you-need.html