The newsletter for teams building AI that actually ships. Covering APIs, AI agents, open standards, and enterprise architecture.

I said in my frontier storytelling post that the moving parts I was cataloging there were not the ones enterprises need to hear. This is the other post. I am...

I sat in on the Arazzo bi-weekly call this morning, and the first thing on the agenda was a pull request that has been open since July and is, by the maintai...

AI agents are increasingly expected to act across any of your APIs, publishing to a queue, waiting on a webhook, correlating an async response, not just…

The newsletter for teams building AI that actually ships. Covering APIs, AI agents, open standards, and enterprise architecture.

Nobody wants to talk about APIs at a dinner party, and they never will. APIs are plumbing, and plumbing is invisible right up until the moment it fails. I ha...

The newsletter for teams building AI that actually ships. Covering APIs, AI agents, open standards, and enterprise architecture.

Adds first-class WSDL support to Arazzo 1.2 via a minimal, additive set of changes. Because SOAP operates over HTTP, the vast majority of Arazzo already works for SOAP workflows without modificatio...

#apidaysindia @apidays team had an opportunity to catch-up with Frank Kilcommins. Checkout the interview and learn more about Frank Kilcommins

One of OpenAPI's unsung heroes is its ability to be extended elegantly. Also in this dispatch: Gin, the HTTP framework for Go, Upyo for sending email, Leaf Wiki, and the HTTP OPTIONS method.

Implementation of the Arazzo specification compatible with Microsoft.OpenAPI in dotnet - BinkyLabs/openapi-arazzo-dotnet

Most of the healthcare APIs I profile describe themselves one endpoint at a time, but nobody actually integrates one endpoint at a time. The real work is a s...

Most engineers know the problem: validity and usability aren't the same thing. The Jentic API Scorecard is now a native agent skill for Claude Code.

The newsletter for teams building AI that actually ships. Covering APIs, AI agents, open standards, and enterprise architecture.

Jentic API Scorecard is a free, open-source CLI and web UI that grades any OpenAPI spec for AI-readiness across six dimensions: compliance, developer experience, agent readiness, usability, security, ...

Which technologies, designs, standards, development approaches, and security practices are gaining momentum in multi-agent enterprise systems? We asked the experts.

The API Changelog issue 2026.16

Which technologies, designs, standards, development approaches, and security practices are gaining momentum in multi-agent enterprise systems? We asked the experts.

Added support for AsyncAPI v3 Also cleaned up the spec to make it very clear that step-object can be oneOf openapi-step-object or asyncapi-step-object or workflow-step-object For AsyncAPI we really...

Arazzo specification enables deterministic API workflows for AI agents, improving reliability, scalability, and agent experience.

Arazzo specification enables deterministic API workflows for AI agents, improving reliability, scalability, and agent experience.

Any workflow can be available as an API operation.

The API Changelog issue 2026.14