Dynamic Query In a production application, we only enable modeled services. In development, it can be useful to allow dynamic queries. The dynamic query endpoint is a service that accepts a dynamic projection and criteria as a request body. The format is very similar to the serialized form of a projection or service from the bootstrapped metamodel. Say we wanted to query for all questions that start with the words "Why do". We could POST : There's also a form that uses GET, to allow easier experimentation from the browser. The same query can be encoded as query parameters. If there's an existing projection that you want to reuse, you can just refer to it by name. /api/meta/query/json /api/meta/query/json/Question?multiplicity=many&criteria=this.title startsWith "Why do"&include=this.title