metosin/compojure-api

Health v2 · maintenance only

Adoption not part of the score

1124 stars · 146 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Clojure library that extends Compojure with tools for building REST web APIs, including Schema/clojure.spec data coercion and automatic Swagger/OpenAPI documentation. It bundles middleware for common API behaviors like exception handling and supports async handlers and multiple response formats.

Use cases

• build a REST API in Clojure with automatic Swagger docs
• add request/response schema coercion to Compojure routes
• generate OpenAPI documentation for a Ring-based API
• serve JSON, EDN, and Transit responses from one API
• handle API exceptions and validation errors uniformly
• define bi-directional routes for a web service

When to choose

• you are maintaining or extending an existing Compojure-based Clojure API
• you want Swagger/OpenAPI docs generated from route definitions
• you need Schema or clojure.spec coercion on API endpoints

When to avoid

• you are starting a new Clojure project - the maintainers recommend reitit instead
• you need a framework outside the JVM/Clojure ecosystem
• you want a non-Ring web stack

Facets

library · maturity maintenance

web-framework api-framework routing middleware serialization http-server web-development backend apis developer-tools jvm jvm-scripting clojure swagger openapi ring compojure schema-coercion rest-apis

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