| REST Assured |
REST API automation |
Java |
Code |
Java-based API automation |
| Karate |
API automation |
JVM |
DSL / Code |
API automation and mocks |
| SoapUI Open Source |
REST & SOAP testing |
Java |
GUI |
Functional API testing |
| Schemathesis |
Schema-driven testing |
Python |
CLI / Code |
Property-based API testing |
| Tavern |
API automation |
Python |
YAML / CLI |
Pytest-based API testing |
| WireMock |
API mocking |
JVM and integrations |
Code / API / JSON |
Service virtualization |
| MockServer |
API mocking |
Java |
Code / API / Docker |
Mocking and integration testing |
| Apache JMeter |
Performance testing |
Java |
GUI / CLI |
API load and performance testing |
