Kong/unirest-java

Health v2 · maintenance only

Adoption not part of the score

2702 stars · 589 forks observed · 2026-08-28

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

Unirest is a lightweight, fluent HTTP client library for Java supporting HTTP/1 and HTTP/2, WebSockets, JSON mapping via Jackson or GSON, and easy request/response handling. It also ships a mocking library for testing HTTP interactions.

Use cases

• make simple HTTP requests from Java
• call REST APIs with a fluent client
• send multipart file uploads
• convert JSON responses into POJOs
• manipulate cookies and headers on requests
• mock HTTP responses in unit tests
• use WebSockets from Java

When to choose

• you want a simple, lightweight alternative to raw Apache HttpClient or OkHttp boilerplate
• you need fluent request building with path/query params, headers, and cookies
• you want built-in POJO serialization with Jackson or GSON
• you need HTTP mocking for tests in the same library

When to avoid

• you need reactive or async-first streaming HTTP (consider WebClient or Reactor Netty)
• you are on Java 8 or older (Unirest 4 requires Java 11+)
• you need a full-featured low-level client with fine-grained connection control
• you are on Android and want a client specifically optimized for mobile

Facets

library · maturity active

http-client serialization websocket mocking web-development developer-tools apis jvm cross-platform fluent-api http-requests jackson gson multipart rest-client

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