The Mews Booking Engine API is a web API that allows external applications such as booking widgets to interact programmatically with Mews to get information about offered rooms or spaces for a given property, to check availability of those rooms or spaces, and to create reservations. Use this option if you want to create your own custom booking engine.
We maintain an OpenAPI definition (formerly Swagger) for the Mews Booking Engine API. You can use this to build out client applications using third party tools. At this stage we consider this a Beta test version, but please use it and get in touch to let us know how you get on.