OpenAPI 3.2... Finally!

It's finally here, OpenAPI 3.2. Honestly, this is a loaded release. From multipurpose tags that support nesting to the new HTTP query method, there is something for everyone here. I have linked the release notes from GitHub in the link above if you're interested in a complete breakdown.

Hats off to everyone involved - congrats on the launch!

-- Alexander

The fastest way to build production-ready MCP servers

Gram by Speakeasy: turn your API platform into an AI platform. Create tools from OpenAPI, curate into custom toolsets, and deploy hosted MCP servers

Get started today

The API Roundup

API News, links, and tools from around the web

Paris Meetup: Scaling API workflows with OpenAPI

Bump.sh is hosting an API meeting in Paris on Wednesday, October 8th, featuring a stellar lineup. Zach Winters from MongoDB is discussing building API documentation, and Marco Spinello is sharing AI insights from documentation pipelines. Our own Phil Sturgeon will also be making an appearance, discussing how to create faster and more efficient APIs, with a closing talk from the Algolia team.

Cap'n Web: a new RPC system for browsers and web servers

A new RPC protocol implemented in pure TypeScript from the Cloudflare team. It works over HTTP, WebSocket, and postMessage() and can be extended to other transports. While it is helpful for any JavaScript applications that communicate with each other over a network, it is particularly well-suited to interactive web applications with real-time collaborative features.

First-Class API Versioning in Spring Boot 4

Spring Boot 4 is here, bringing support for API versioning via one of the four options: URL, Media Type, query parameter, and path parameter. For best practices and guidance on testing versioning, check out this killer blog post from Dan Vega.

GraphQL Conf 2025 Recap

The GraphQL conference took place in Amsterdam this year, marking ten years since the GraphQL specification was introduced to the world. If you missed the conference, I have a blog post for you, covering all the biggest announcements, key takeaways, and some of the improvements coming to GraphQL.

Mastering API Testing with Quarkus

Using Java and Quarkus to build APIs, and want to improve your testing setup? Well, we got you covered with multiple test types in this blog post. Example-based tests with RestAssured for happy path verification. Contract testing with Pact to ensure service compatibility, and property-based testing with Jqwik that generates random inputs to discover unexpected edge cases.

The Protocol is the API

A deep dive into the AT Protocol powering Bluesky and the broader vision of open social. Dan Abramov explains how open social could do for social media data what open source did for code. He breaks down how the AT Protocol works, similar to the traditional web, where you own your data and can move between platforms without losing your social graph.

APIs You Won't Hate

The latest from the team at API's You Won't Hate.

JSON Streaming in OpenAPI v3.2.0

APIs You Won't Hate's very own Phil Sturgeon wrote a guest post for our pals over at Bump.sh going over JSON Streaming in the new OpenAPI spec version. Streaming data back and forth is becoming more and more common with realtime apps and LLM-driven use cases. This tutorial will get you off to a flying start.

From our Community

Articles written and shared in our free Slack community.

JSON Schema Faker

Phil posted in our Slack community that JSON Schema Faker is looking for contributors. Currently, the project is only maintained by one person. Love API's and want to contribute to the ecosystem? Check out the open issues on GitHub.

Special thanks to Jeremy Hynes on Unsplash for the🦉 used in our cover image this week!

Thanks so much to our members: Kin L, Juxt, Alex R, Nolan S, Frank, James D, Rich, Ryan T, and Umair. Your support means the world to us!

✌️ Until next time,
Alexander, Phil & Mike