REST Assured review
REST Assured is an open-source Java library for testing REST services. It ranks #11 of 11 in our API testing tools list (7.5/10). Best for java teams writing API tests as code alongside JUnit or TestNG.
Price: Free plan.
What REST Assured is
REST Assured is an Apache 2.0-licensed Java library with a fluent syntax for sending HTTP requests and asserting on REST responses. It also supports Spring MockMvc and WebTestClient for testing Spring controllers without a running server.
Pros and cons
- Free and open source under Apache 2.0
- Tests are plain Java code, so they run anywhere the build runs
- Actively maintained: 7.0.0-RC1 released 2026-11-12
- Java only; no GUI for non-programmers
- No load testing or GraphQL support mentioned by the project
- No hosted collaboration, reporting or mock server features
REST Assured pricing
| Plan | Billed annually | Billed monthly | Annual saving | Notes |
|---|---|---|---|---|
| Open source | Free | Free | — | Free library |
USD, per user per month unless noted. "—" means the price is not published or we could not confirm it. Last checked Nov 15, 2026. Status: verified on REST Assured's pricing page.
Key facts
| Free plan | Yes. Open source library (Apache 2.0) |
|---|---|
| Free trial | Not advertised |
| Paid from | See vendor |
| Minimum seats | 1 |
| Platforms | Java library (JVM) |
| Support | Community, Docs |
| REST API testing | Yes |
| GraphQL testing | Not confirmed |
| Load testing | Not confirmed |
| API mocking | Not confirmed |
| CI/CD integration | Not confirmed |
| Facts checked | Nov 15, 2026 · verified on the vendor's own site (source) |
REST Assured alternatives
Frequently asked questions
How much does REST Assured cost?
REST Assured has a free plan. Prices last checked Nov 15, 2026.
Is REST Assured free?
Yes. Open source library (Apache 2.0)
What are the best REST Assured alternatives?
Apidog (9.8/10), Karate (9.8/10), Postman (9.8/10) are the highest-scoring alternatives in our API testing tools ranking.
Sources
- REST Assured: official pricing page · REST Assured home page