Contract Testing using OpenAPI Specs as Executable Contracts

In this walk-through we'll show exactly how we took the Postman APIs, curated the set of API end points we want to expose via MCP,

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

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

The Specmatic Kafka mock is wire compatible and entirely within the control of the test, the test can run locally and in CI and deliver

Testing APIs: Specmatic vs TextTest Emily Bache wanted to compare TextTest with Specmatic and has published a video about her experience: The BEST way to

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

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

The JMS mock is wire compatible and can be controlled entirely from within the test. This means you can run the test locally or also

Table of Contents In this walkthrough we'll show how to use Specmatic MCP server for API testing (Contract and Resiliency) and Mocking as a guardrail

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