contract-testing

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.

contract-testing hacktoberfest smartbear-supported

UpdatedNov 20, 2025
Ruby

Redocly /redocly-cli

Star1.3k

⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.

linter openapi cicd contract-testing swagger2 redoc openapi3 api-governance asyncapi openapi-cli redocly openapi31 arazzo

UpdatedNov 28, 2025
TypeScript

pact-foundation /pact-jvm

Star1.1k

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 contract-testing hacktoberfest consumer-driven-contracts smartbear-supported

UpdatedNov 24, 2025
Kotlin

pact-foundation /pact-net

Star905

.NET 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.

csharp dotnet apis pact contract-testing pact-net smartbear-supported

UpdatedNov 16, 2025
C#

pact-foundation /pact_broker

Star734

Enables your consumer driven contracts workflow

verification provider consumer contract-testing hacktoberfest consumer-driven-contracts pact-broker hal-browser smartbear-supported

UpdatedNov 21, 2025
Ruby

apideck-libraries /portman

Star670

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

testing api cli integration-testing swagger openapi test-framework cli-app oas api-testing contract-testing postman-collection testrunner postman-collections cli-option contract-first openai-tooling

UpdatedNov 27, 2025
TypeScript

Python 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.

apis pact contract-testing hacktoberfest smartbear-supported

UpdatedNov 28, 2025
Python

pactumjs /pactum

Star593

REST API Testing Tool for all levels in a Test Pyramid

nodejs javascript testing bdd integration-testing mock-server cucumber api-testing contract-testing component-testing e2e-testing test-pyramid pactum pactumjs

UpdatedNov 17, 2025
JavaScript

msz /hammox

Star587

🏝 automated contract testing via type checking for Elixir functions and mocks

testing mock unit-testing typechecker elixir contract behaviour contracts type-checking mocks contract-testing behaviours typechecking dialyzer mox type-checker typespec behaviour-typespec typespecs explicit-contracts

UpdatedJul 26, 2025
Elixir

EXXETA /openapi-cop

Star371

A proxy that validates responses and requests against an OpenAPI document.https://www.npmjs.com/package/openapi-cop https://hub.docker.com/r/lxlu/openapi-cop

validation data-validation proxy swagger openapi contract-testing

UpdatedNov 18, 2025
TypeScript

azagniotov /stubby4j

Sponsor

Star361

HTTP/1.1, HTTP/2 and WebSockets stub server for stubbing distributed web services in Docker and non-containerized environments for integration and contract testing

websocket-server http2 integration-testing mock-server arm64 docker-images microservices-testing api-testing stub-server contract-testing websocket-tester consumer-driven-contracts http-stub record-and-replay rest-api-test http2-server api-mocking contract-tests stubbing-framework service-stubbing

UpdatedMay 28, 2025
Java

specmatic /specmatic

Star338

Eliminate API integration headaches with Specmatic's no-code AI-powered API development suite. Teams ship APIs 10x faster by transforming specifications into executable contracts instantly—no coding required, no integration surprises.

graphql redis microservices jdbc wsdl overlay grpc openapi service-virtualization contract-testing backward-compatibility cdd openapi3 asyncapi contract-driven-development specmatic

UpdatedNov 28, 2025
Kotlin

pact-foundation /pact-specification

Star307

Describes the pact format and verification specifications

specification pact contract-testing smartbear-supported

UpdatedApr 11, 2024

pact-foundation /pact-php

Star291

PHP 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

apis pact contract-testing hacktoberfest