About Slack's new rate limits...
As APIs become the sneaky backbone of LLM-driven workflows, Slack's update to their API rate limits may be an interesting sign of changing tides.
Latest
Goodbye Apiary.io, You'll Be Missed
Today we say farewell to a legend in the API documentation space as O.G. API design-first solution Apiary.io shuts its doors.
Generating OpenAPI docs for Java with Spring Boot
Learn how to export OpenAPI from your Spring Boot application with Springdoc.
The 5 Best API Docs Tools in 2025
Which API documentation tool is the best? It Depends™! Let's go through the best modern tooling and look at when you might want to pick one over another.
OpenAPI Spec 3.2 is coming
It's the best thing since sliced OpenAPI 3.1, and it comes with a boatload of interesting new features
Caching, up-front
Teams that plan for data access and caching from the start build faster, more reliable APIs than those who bolt it on in a panic later.
All about Mocking, with Wiremock's Tom Akehurst
Mocking is one of those things that started out as a simple idea, and has evolved to support an incredible amount of developer use cases over the years. In this episode of the Podcast, Tom from Wiremock chats with Phil about Wiremock's tools for API developers
OpenAPI 🤝 OpenMCP
Will OpenMCP be the hero we need to bring existing standards together with a nascent protocol? Also: DELETE -> HTTP204, gRPC in Node.js, php-node, and JSON Schema Tooling.
JSON Schema: Good, Bad and Ugly
Debating the purpose and utility of JSON Schema, alternative approaches and the way we got here. Also in this newsletter: Routers for golang, HTTP Query, API Design Reviews, Versioning, and Oauth 2.1.
API Design Reviews Don't Have to be Hard
A quick look at how you can handle API design reviews in pull requests using Bump.sh instead of forcing everyone to stare into a chasm of YAML diffs.
Does Every Framework Need Its Own Cloud?
The balance between vendor lock-in and cutting edge frameworks is a perpetual game of cat and mouse. FastAPI is the latest in a string of frameworks to release their own cloud framework. Also in this newsletter: Documenting API versions, API governance, node API performance, and openapi.tools!
Evolving REST is a Pain
Is JSX the cure-all for too much REST? And the latest from the tech community on apis, including Hurl, Koa, how to write error messages, cacheability and more!