Using familiar database entities, give the API a name and tie it to a source, like a table or a query, and give it permissions associated with users and database operations.

Here's a trick to have Marten automatically deserialize JSON data only when you want it to.

The Graph: An open-source query protocol for blockchains, using GraphQL Querying blockchains is hard, but it does not have to be. This is the vision driving The Graph.

Learn how to use [FromBody] and [FromUri] to set values for parameters of the Web API controller methods.