Contract Testing using OpenAPI Specs as Executable Contracts

Exploring the Strengths and Weaknesses of Automated API Development  Maintaining well-documented and reliable APIs is essential for any microservices development pipelines. At the heart of

API proxy recording: Capture traffic, generate mocks, and simulate faults When you need to test how a system behaves when a downstream API misbehaves, API

Transform your GraphQL API specs into executable contracts in seconds Now you can easily leverage your GraphQL APIs for contract testing, intelligent service virtualisation and

Sample projects with AsyncAPI Sample project with Kafka & AsyncAPI: https://github.com/znsio/specmatic-order-bff-nodejs Sample project with JMS and AsyncAPI: https://github.com/znsio/specmatic-order-bff-jms Sample project with Google Pub/Sub and AsyncAPI: https://github.com/znsio/specmatic-google-pubsub-sample Available in Pro

Understanding the Shortcomings of gRPC and How Contract Testing Can Bridge the Gap  In the ever-evolving world of API design, development, and testing, the pursuit

When Dependencies Timeout: Engineering Tests that Produce a 429 response Simulating backend slowdowns and verifying that your API returns a proper 429 response is a

Transform your gRPC API specs into executable contracts in seconds Now you can easily leverage your gRPC APIs for contract testing, intelligent service virtualisation and

When Downstream Services Lag: Designing Reliable APIs with 202 responses As systems get distributed, synchronous calls to downstream services become fragile. When a downstream service

Table of Contents Practical Lessons from MCP Server Testing Over the last few weeks the Specmatic team ran a focused series of MCP server testing

Shift-Left the identification of integration issues in applications built with Event Driven Architecture (EDA) by leveraging AsyncAPI specs as Executable Contracts Introduction The surge in