Does WPRentals provide a robust REST API or GraphQL layer (or work well with the WordPress REST API) for reading and writing properties, bookings, and user data from external apps?

WPRentals REST API and GraphQL integration guide

Yes, WPRentals provides a solid REST API layer built on the WordPress REST framework that external apps can use to read and write properties, bookings, and related user data. The theme exposes dedicated endpoints for core rental actions while still keeping full support for the native WordPress REST API routes. GraphQL is not built in, […]