Save Money and use APIs
Navigating a website using APIs is many times more efficient than an LLM thrash through tokens - so why isn't it more popular? Also in this newsletter: Fastify + OpenAPI, an HTTPS benchmarking tool, Voiden, and more!
Latest
Which of Fastify's many OpenAPI plugins are the best?
Fastify is a fantastic, popular, low-overhead Node.js framework, but how does the support for OpenAPI stack up?
Quality Matters
Code quality means API Quality means customer experience means less churn and more growth. Also in this newsletter: Swagger support for OpenApi 3.2.0, Hey API, and how to deal with OpenAPI Changes.
How DO you Paywall an API?
We share some tools and tips for monetizing your api. Also in this newsletter: CORS Middleware in Go, Hummingbird2, GraphQL over HTTP,
Slop APIs
The convenience of AI is driving devs to write code faster... but is it any good? Also in this newsletter: a podcast with Anvil, GoDoc, REST API vs GraphQL, Va Vite, and more!
Anvil is the Data Company that makes PDFs a breeze
Anvil's founder and CEO Mang-Git Ng sits down with APIs You Won't Hate host Mike Bifulco to talk about PDFs in the age of LLMs, and making delightfully simple products.
OpenAPI.tools is Growing
Our community-powered reference site for OpenAPI devtools hits its stride. Also in this dispatch: a podcast with Supergood, oapi-codegen for Golang, Vacuum OpenAPI Linter updates, and more!
Supergood is building unofficial APIs for everything
Founder Alex Klarfeld joins us for a podcast interview, with an update on Supergood's product journey, reverse engineering APIs ethically, and automating tech for old industries
We 💚 Git-driven API clients
Git-driven API workflows are finding their footing with API dev teams, improving devX and repeatability. Also in this issue: MCP is just an API, Go-Fault, the very basics of HTTP Requests in node, and Speakeasy's Agent Skills
Is REST Dead... Again?
API Developers debate the benefits of REST vs JSON-RPC when working with LLMs. Also in this newsletter: the politics of building APIs, FastAPI's continued growth, a comparison of serverless cold start times, and more!
Sustainable APIs
A well designed system can provide utility while reducing overall energy use. Also in this newsletter: Clerk's API Keys product, Express 5.0, Ktor, and an illustrative HTTP code cheat sheet.
A Shiny New OpenAPI Tools
We celebrate the long-awaited relaunch of the beloved site awesome-tools site driven by our community. Also in this edition - Postman acquires another API tools company (and another!), a fresh version of Bruno, the Arazzo 1.0 spec, and more!
📰 APIs You Won't Hate (The newsletter)
Postman was Offline?
Should an HTTP client require a cloud connection to work? Also in this edition: JSONRiver, http caching, Jentic OpenAPI tools, Node 25, and GraphQLConf videos.
📰 APIs You Won't Hate (The newsletter)
Goodbye Stoplight?
Like saying farewell to a dear old friend, we reflect on our time with Stoplight. Also in this newsletter: Upgrading to OpenAPI 3.2, OpenAPI Format, Fibre for Go, and more!
📰 APIs You Won't Hate (The newsletter)
OpenAPI 3.2... Finally!
The long-awaited launch of the newest version of the OpenAPI standard, plus JSON Streaming, Scaling API Workflows, a new RPC protocol, and a peek at Bluesky's AT Protocol.
📰 APIs You Won't Hate (The newsletter)
Is Your API Secure?
API Security is one of those things that isn't a problem until it is. Also in this newsletter: an http client for Go, JSON streaming in OpenAPI3.2, API Days London, HTTP Golden Girls, and Node HTTP Servers on CloudFlare workers.
📰 APIs You Won't Hate (The newsletter)
A Love Letter to OpenAPI
Taking time to use OpenAPI for planning makes API teams build better software. Also: Arrazo news, Speakeasy's OpenAPI Parser, JSON Streaming with OpenAPI 3.2, API World, and an API for the United State Congress.
📰 APIs You Won't Hate (The newsletter)
Playwright Does API Testing Now?
A nonconventional use for an end-to-end testing framework, Stringify gets faster, we say goodbye to Apiary, and a review of the amazing API product that DarkSky was.
📰 APIs You Won't Hate (The newsletter)
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.
📰 APIs You Won't Hate (The newsletter)
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
📰 APIs You Won't Hate (The newsletter)
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.
📰 APIs You Won't Hate (The newsletter)
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.
📰 APIs You Won't Hate (The newsletter)
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.
📰 APIs You Won't Hate (The newsletter)
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!