The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
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Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
Newman is a command-line collection runner for Postman
- newman
- postman-collection
- json-report
- postman
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
- oas
- prism
- mocking
- api-testing
End-to-end HTTP and REST API testing for Go.
Automated Security Testing For REST API's
- security
- restapiautomation
- python
- owasp
A contract-driven gRPC regression harness for AI coding agents, with human-approved baselines. Snapshot the valid call chains of an API so an agent can look one up instead of tracing for it. gRPC today, OpenAPI next
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
Automated API Testing and Quality Assurance
- api-rest
- api-testing
- test-automation
- testing-tools
SoapUI is a free and open source cross-platform functional testing solution for APIs and web services.
- open-source
- on-prem
- soapui-oss
⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.
JVM version of Pact. Enables consumer driven contract testing, providing a mock service and DSL for the consumer project, and interaction playback and verification for the service provider project.
- pact
- consumer-driven-contracts
- contract-testing
- hacktoberfest
Expressive end-to-end HTTP API testing made easy in Go
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Fake server, Consumer Driven Contracts and help with testing performance from one configuration file with zero system dependencies and no coding whatsoever
Shift-left API Integration | Auto-fix integration drift before integration. Specmatic turns API specifications into executable contracts, continuously verifying that every change made by AI coding agents and engineers stays true to the desired behaviour. Ship AI-ready APIs 10x faster, from intent to implementation, with Spec-Driven API Development.
- contract-testing
- microservices
- contract-driven-development
- cdd
End to end functional test and automation framework
- automation
- end-to-end-testing
- orchestration-framework
- testing
Cucumber DSL for testing RESTful Web Services
- cukes-rest
- cucumber
- cucumber-jvm
- java
Library add improve test log for RSpec and WebMock, validate its according to API Blueprint and Open API, show the documentation coverage with log.
- api-blueprint
- rspec
- drafter
- json-schema
A library that generates postman collection and integration tests from java code
- api
- insomnia-collections
- integration-testing
- jakartaee
Declarative API testing
Convert Postman Collection v2.1 JSON into executable pytest test suites
- api-testing
- postman
- pytest
- python