Demonstration

testing 202 responses thumb

By Naresh Jain

When Downstream Services Lag, Does Your API Gracefully Accept with 202 Responses?

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 cannot produce a resource immediately,
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Arazzo API workflow demo

By Hari Krishnan

Visual Workflow Mocking and Testing with Specmatic and Arazzo API Specifications

Table of Contents API workflow testing with Arazzo and Specmatic: Visual authoring, workflow mocking, and backend verification Here we'll walk through a practical approach to
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jaydeep aws lambda

By Jaydeep Kulkarni

AWS Lambda Data Pipeline Testing using LocalStack with Specmatic

Table of Contents Mastering Testing AWS Lambda Functions with LocalStack and Specmatic With fast-evolving data ecosystems, building reliable and scalable data products is essential. One
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By Joel Rosario

Build Apps from API specs using AI: Self-Correcting Contract-Driven Agentic Workflows with Specmatic

Harnessing the Power of API Specifications for Robust Microservices  Modern microservice architecture hinges on precise and dependable communication between services. This is where API specifications
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OpenAPI Examples Simplified: Visualize and Generate Domain-Specific Test Data​

Streamlining API Development: An Interactive Guide to Example Generation and Validation using Specmatic  A robust, streamlined approach to API development is crucial for maintaining efficiency,
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By Hari Krishnan

Pact’s Dependency Drag​: Why Consumer-Driven Contracts Don’t Support Parallel Development

Exploring the challenges and limitations of using Pact for contract testing in a microservices environment.  In the domain of microservices, ensuring seamless communication between different
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By Naresh Jain

OpenAPI’s Broken Tooling: Roundtrip Fidelity Failure with CodeGen and DocGen​

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
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By Naresh Jain

gRPC Flaws​ – The Illusion of Safety & Frustrating DevEx in Proto3’s Type-Safe Contracts​

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
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By Hari Krishnan

WireMock’s Dirty Secret: Ignoring API Specs & Letting Invalid Examples Slip Through 

Overcoming the Challenges of Hand-Rolled Mocks with Contract-Driven Development  APIs and microservices have transformed the way software systems are built and maintained. However, developing a
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kafka+jms

By Hari Krishnan

Contract Testing using AsyncAPI Specs as Executable Contracts

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
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By Yogesh Nikam

Contract Testing using gRPC Specs as Executable Contracts

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
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