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Comparisons

Playwright API Mocking and Specmatic: When and Why to Use Each - 18 December 2025
Specmatic vs Microcks - 7 August 2025
Contract vs. Approval Testing: Identifying Bugs in RESTfulBooker’s API with Specmatic and TextTest - 13 March 2024
Comparison: Specmatic vs Spring Cloud Contract - 3 December 2022
Comparison: Specmatic vs WireMock - 26 November 2022
Comparison: Specmatic vs Pact.io and Pactflow.io - 8 November 2022

Conference

Update: See how Specmatic is transforming API testing & development - 11 November 2024

Demonstration

Eliminate Test Data Chaos: Simulate Real Scenarios on Deployed Systems with Live Traffic - 30 March 2026
When Dependencies Timeout, Does Your API Shed Load with 429 Responses? - 24 December 2025
When Downstream Services Lag, Does Your API Gracefully Accept with 202 Responses? - 22 December 2025
Replace Live Services with OpenAPI Mocks from Real HTTP Traffic with Specmatic Proxy - 21 December 2025
Our API Ecosystem is More Fragile Than We Think - 21 December 2025
Achieving Seamless DevEx: API Specification and Code Generation with API Genie - 8 December 2025
Why APIs Fail and How No-Code, Intelligent API Resiliency Testing Can Prevent the Next Outage - 3 December 2025
Testing MCP servers: How Specmatic MCP Auto-Test Catches Schema Drift and Automates Regression - 17 September 2025
Exposed: MCP Servers Are Lying About Their Schemas - 17 September 2025
Curate, Validate and Publish an MCP Server from an OpenAPI Spec with Specmatic Genie - 10 September 2025
Specmatic MCP as guardrails for Coding Agents: API Spec to Full Stack implementation in minutes - 5 September 2025
Authoring & Leveraging Arazzo Spec for OpenAPI & AsyncAPI Workflow Testing - 3 September 2025
Visual Workflow Mocking and Testing with Specmatic and Arazzo API Specifications - 13 August 2025
AWS Lambda Data Pipeline Testing using LocalStack with Specmatic - 27 May 2025
Build Apps from API specs using AI: Self-Correcting Contract-Driven Agentic Workflows with Specmatic - 18 October 2024
OpenAPI Examples Simplified: Visualize and Generate Domain-Specific Test Data - 18 October 2024
Pact’s Dependency Drag: Why Consumer-Driven Contracts Don’t Support Parallel Development - 18 October 2024
OpenAPI’s Broken Tooling: Roundtrip Fidelity Failure with CodeGen and DocGen - 18 October 2024
gRPC Flaws – The Illusion of Safety & Frustrating DevEx in Proto3’s Type-Safe Contracts - 16 October 2024
WireMock’s Dirty Secret: Ignoring API Specs & Letting Invalid Examples Slip Through - 16 October 2024
Contract Testing using AsyncAPI Specs as Executable Contracts - 2 August 2024
Contract Testing using gRPC Specs as Executable Contracts - 30 July 2024
API Resiliency and Contract Testing for GraphQL - 24 July 2024
Contract Testing Google Pub/Sub: Using AsyncAPI specs as Executable Contracts - 17 April 2024
Contract vs. Approval Testing: Identifying Bugs in RESTfulBooker’s API with Specmatic and TextTest - 13 March 2024
Contract Testing using OpenAPI Specs as Executable Contracts - 31 October 2023
Early detection of mismatches between your API specs and implementation: Exploring Specmatic’s API Coverage Report - 29 August 2023
Break the Chains of Database Dependencies: Leveraging Specmatic for JDBC Stubbing - 14 August 2023
JMS Mocking with AsyncAPI using Specmatic - 25 July 2023
Kafka Mocking with AsyncAPI using Specmatic - 18 July 2023
Redis Stubbing with Specmatic Contract Testing - 11 July 2023

Feature Spotlight

OpenAPI Examples Simplified: Visualize and Generate Domain-Specific Test Data - 18 October 2024
Specmatic 2.0 is out! Now supports GraphQL and gRPC - 25 July 2024
API Resiliency and Contract Testing for GraphQL - 24 July 2024
Contract Testing Google Pub/Sub: Using AsyncAPI specs as Executable Contracts - 17 April 2024
Specmatic Docker Image now available - 23 February 2024
Introduction to Contract Driven Development with Specmatic - 6 December 2023
Early detection of mismatches between your API specs and implementation: Exploring Specmatic’s API Coverage Report - 29 August 2023
Break the Chains of Database Dependencies: Leveraging Specmatic for JDBC Stubbing - 14 August 2023
JMS Mocking with AsyncAPI using Specmatic - 25 July 2023
Kafka Mocking with AsyncAPI using Specmatic - 18 July 2023
Redis Stubbing with Specmatic Contract Testing - 11 July 2023

In the Media

Contract vs. Approval Testing: Identifying Bugs in RESTfulBooker’s API with Specmatic and TextTest - 13 March 2024
Stubbing an HTTP end-point with Specmatic - 29 November 2023
“Easy Microservice Testing” – Specmatic featured on Continuous Delivery channel - 6 July 2023

MCP

Testing MCP servers: How Specmatic MCP Auto-Test Catches Schema Drift and Automates Regression - 17 September 2025
Exposed: MCP Servers Are Lying About Their Schemas - 17 September 2025
Curate, Validate and Publish an MCP Server from an OpenAPI Spec with Specmatic Genie - 10 September 2025
Specmatic MCP as guardrails for Coding Agents: API Spec to Full Stack implementation in minutes - 5 September 2025

Podcasts

Empowering Frontend Engineers with Microservices Contract Testing – a conversation with Markus Oberlehner - 17 July 2024

Studio

When Dependencies Timeout, Does Your API Shed Load with 429 Responses? - 24 December 2025
When Downstream Services Lag, Does Your API Gracefully Accept with 202 Responses? - 22 December 2025
Replace Live Services with OpenAPI Mocks from Real HTTP Traffic with Specmatic Proxy - 21 December 2025
Our API Ecosystem is More Fragile Than We Think - 21 December 2025
Authoring & Leveraging Arazzo Spec for OpenAPI & AsyncAPI Workflow Testing - 3 September 2025
Visual Workflow Mocking and Testing with Specmatic and Arazzo API Specifications - 13 August 2025

Updates

New features and a BIG Announcement! Specmatic is bringing apidays to India! - 6 May 2025
Specmatic Challenge – winners announced! - 25 September 2024
Specmatic 2.0 is out! Now supports GraphQL and gRPC - 25 July 2024
Contract vs. Approval Testing: Identifying Bugs in RESTfulBooker’s API with Specmatic and TextTest - 13 March 2024
Specmatic Docker Image now available - 23 February 2024
2023 year in review - 14 December 2023
Introduction to Contract Driven Development with Specmatic - 6 December 2023
Stubbing an HTTP end-point with Specmatic - 29 November 2023
TMForum ODA CTK API specification conformance testing with Specmatic - 19 October 2023
“Easy Microservice Testing” – Specmatic featured on Continuous Delivery channel - 6 July 2023
Types of Contracts Testing – Consumer Driven, Provider Driven and Contract Driven - 4 December 2022

Features

Transform your OpenAPI specs into executable contracts in seconds - 10 November 2025
Transform your GraphQL schema specs into executable contracts in seconds with Specmatic - 10 November 2025
Transform your AsyncAPI specs into executable contracts in seconds - 10 November 2025
Practice Contract Driven Development for JDBC by leveraging your AsyncAPI specs as executable contracts - 10 November 2025
Transform your gRPC proto files into executable contracts in seconds with Specmatic - 10 November 2025
Practice Contract Driven Development for RESP (Redis) by leveraging your AsyncAPI specs as executable contracts - 10 November 2025
Author & Test Arazzo API Workflows with Drag-and-Drop Simplicity - 31 July 2025
Contract Testing with Avro Schema files using AsyncAPI and Specmatic - 28 July 2025
API Resiliency Testing - 2 October 2024
Practice Contract Driven Development for HTTP (REST) by leveraging your OpenAPI specs as executable contracts - 21 August 2024
Practice Contract Driven Development for JMS by leveraging AsyncAPI specs as executable contracts - 13 August 2024
Practice Contract Driven Development for Google Pub/Sub by leveraging your AsyncAPI specs as executable contracts - 13 August 2024
Transform your SOAP API specifications into executable contracts in seconds - 13 August 2024
Practice Contract Driven Development for Kafka by leveraging your AsyncAPI specs as executable contracts - 13 August 2024

Appearances

Reliable Kafka-Lambda Data Pipelines with AsyncAPI & Specmatic - 11 December 2025
AsyncAPI + Overlays: Testing Event Flows with Triggers and Side-Effects - 24 November 2025
From REST to Events: API Workflow Testing and Mocking with a Single Arazzo Spec - 21 November 2025
APIs Designed by Agents: The Architecture Behind an AI-First API Design System - 20 November 2025
From REST to Events: API Workflow Testing and Mocking with a Single Arazzo Spec - 11 November 2025
Avoiding APIpocalypse; API Resiliency Testing FTW! - 27 October 2025
Designing Resilient APIs for India Scale - 10 October 2025
From REST to Events: API Workflow Testing and Mocking with a Single Arazzo Spec - 25 September 2025
I Spoke to My API – Before It Was Even Built - 22 September 2025
Run Specs and Avoid Wrecks – A “Speed With Seatbelts” Lab - 22 September 2025
AsyncAPI 2.6 to 3.0: Migrating Safely with No-Code Backward Compatibility Checks - 12 August 2025
API Drift: A Hidden Crisis in MCP Servers - 9 August 2025
Is Your API Agentic-AI Ready? - 9 August 2025
Reliable AWS Lambda Data Pipelines with AsyncAPI Specifications - 8 August 2025
Reliable Kafka-Lambda Data Pipelines with AsyncAPI and Specmatic - 29 July 2025
10x DevEx – Shift Left API Governance - 29 July 2025
Reliable by Design: Building Guardrails for AI and Other Unpredictable Systems - 30 May 2025
Using GraphQL SDL files as executable API Contracts - 15 May 2025
Unifying OpenAPI & AsyncAPI : Designing JSON Schemas+Examples - 15 May 2025
Multi-Protocol APIs: Designing a Unified Interface for EDA using Async APIs - 16 April 2025
API Design Anti-patterns: How to identify & avoid them - 27 March 2025
10x DevEx – Shift Left API Governance - 26 March 2025
The Functional Fix: Kotlin Error Handling Made Elegant - 29 January 2025
Testing API Resiliency using Kotlin: Leveraging Functional Programming at Scale - 25 January 2025
Contract-Driven Development for Event-Driven Architecture - 5 December 2024
TMForum’s AsyncAPIs for a New Era of Event-Driven Architechture - 3 December 2024
Project API Forge: Streamlining Dev-First API Lifecycle Management - 3 December 2024
Leveraging an AsyncAPI Spec for Mocking and Testing Microservices - 30 October 2024
GOTO Copenhagen: 10x DevEx: Shift-left API Governance = CycleTime/2 - 2 October 2024
API Resiliency Testing: Ensuring Robustness in Modern Applications - 24 September 2024
API Design First: A Practical Approach to Effective API Development - 24 September 2024
Seamless Upgrades: Mastering API Compatibility - 13 September 2024
UI Component Workflow Testing – Validating Entire User Journeys by Isolating Front Ends Using OpenAPI - 13 September 2024
India FOSS 2024 - 9 September 2024
Testμ: Seamless Upgrades: Mastering API Compatibility - 23 August 2024
Understanding Contract-Driven Development – Pros, Challenges & Costs - 15 July 2024
Unshackling Your System Under Test: Shift-Left Testing Through Dependency Isolation - 15 July 2024
Avoiding APIpocalypse; API Resiliency Testing FTW! - 15 July 2024
Hackathon – The Next Frontier: Unveiling TM Forum’s Async API for a New Era of Event-Driven Architectures - 13 June 2024
OpenAPI specs to executable contracts in seconds - 20 May 2024
Contract-Driven Development – Turn your API Specification into Executable Contracts - 3 December 2023
Kafka and JMS Mocking with AsyncAPI using Specmatic - 29 November 2023
Software Architecture Superstream: Microservices - 7 April 2023
Contract-Driven Development-Escape Microservices Integration & Deployment Hell - 18 March 2023
Contract Driven Development – Deploying your Microservices Independently without Integration Testing - 29 September 2022
Contract Driven Development – Deploying your MicroServices independently without integration testing - 22 September 2022
Turn Your OpenAPI Specifications into Executable Contracts — The Gory Details - 19 September 2022
Contract Driven Development – Deploying your MicroServices independently without integration testing - 30 July 2022

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