Adding OpenAPI Support to Mummy, a Nim HTTP Framework
Nim doesn't have a lot of options for building HTTP APIs with the kind of batteries-included developer experience you get in frameworks like FastAPI…
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Why Your OpenAPI Spec Isn't Enough for AI Agents
OpenAPI describes an API. Agent Readiness describes whether an agent can actually use it. Your API has a complete OpenAPI spec. Every endpoint, sche…
Optimizing LLM Context for OpenAPI: A Deterministic Approach to Token Reduction
How deterministic context batching reduced approximate token usage by ~81.7% while building an agentic API testing prototype See It in Action I also…
Swagger Isn't Just API Documentation
If you've worked with REST APIs, you've probably encountered Swagger. Many developers initially think: Swagger = API documentation That's not comple…
136 raw removals, 17 real ones: what a spec diff over-reports
Originally published at mendapi.com . Between two published snapshots of the Cloudflare OpenAPI schema — 7abe88500e55 (2026-03-31) → c92b9b0fde23 (2…
Your API provider shipped a breaking change. Here's how to find what it breaks in your code
When Dependabot bumps a dependency, the PR is green, the tests pass, and you merge it on autopilot. Three days later something in production throws…
Contract testing a Symfony API with OpenAPI
Contract testing a Symfony API with OpenAPI takes four moving parts: the OpenAPI spec, a WebTestCase (or a plain Request / Response pair), one trait…
Your OpenAPI spec is already a test plan — here's how to turn it into Playwright tests automatically
If you're writing Playwright API tests manually from an OpenAPI/Swagger spec, you're doing work that should be automated. Every endpoint in your spe…
How to catch breaking OpenAPI changes before they reach production
An API can stay online, return 200s, and still break every client that depends on it. That is the uncomfortable part of API compatibility: the dange…
Build a versioned Laravel API with auto-generated OpenAPI docs in 10 minutes
TL;DR — We'll install dskripchenko/laravel-api , write one controller, and end up with a versioned API ( /api/v1/... ) and interactive OpenAPI 3.0 d…
Pact is great. It's also why most teams don't do contract testing
In 2014, Pact created an entire engineering discipline. Consumer-driven contract testing — the idea that the API consumer, not the provider, should…
Arazzo Visualizer: Run API Workflows in VS Code
Most apps don't just call one API endpoint. They call a whole chain of them. For example, you might log in, get a token, and then pass that token to…
Accept the Official Hack - Build-Time OpenAPI Detection in .NET 10 Minimal APIs
It is straightforward to configure a minimal API to produce an OpenAPI document at build time . This runs the API during build, requests the OpenAPI…
Why Your MCP Integrations Break Silently — And How We Built DriftGuard to Close the Gap
Every integration team has lived the same incident: a dependency changed its contract, nothing failed in CI, and production broke on a Tuesday anywa…
A Practical Guide to Designing RESTful APIs
Designing RESTful APIs is one of those skills that separates developers who build systems that last from those who end up rewriting everything six m…
Making a Local Events API Discoverable to Developers and AI Assistants
Local cultural data should not only live as web pages. That is the idea behind the public discovery layer we just shipped for the DondeGo API. Donde…
Which OpenAPI Codegen Should You Choose? openapi-typescript vs hey-api vs Orval vs Kubb
Hoi hoi! I'm @nyaomaru , a frontend engineer who thought OpenAPI codegen would make API clients easier, but somehow ended up lost in a forest of gen…
Umbraco 18 and OpenAPI: a heads-up for extension developers
Time to upgrade your extension to Umbraco 18? A friendly heads up, the OpenAPI generation got an overhaul. Microsoft.AspNetCore.OpenApi is Umbraco's…
I stopped manually maintaining OpenAPI specs — here's what I did instead
It was a Monday morning. A partner pinged us because their integration had broken overnight. Turns out, someone had merged a PR that renamed a respo…