Compojure-api

Generates OpenAPI specs and UI automatically from route definitions, eliminating manual documentation work, as shown in the examples with /api-docs endpoints.

Integrates Schema and clojure.spec for input/output coercion, ensuring type safety and reducing errors, supported since version 2.0.0.

Enables non-blocking operations with manifold and core.async, allowing for efficient I/O, as demonstrated in the async hello-world examples.

Supports client-negotiable formats like JSON, EDN, Transit, YAML, and MessagePack, increasing API flexibility without extra configuration.

Allows custom metadata handlers to extend the DSL, providing flexibility for advanced use cases, as noted in the wiki.