Archive - The API Changelog

Extending Object Definitions With OpenAPI's allOf

Did you know you can define object inheritance using OpenAPI?

12 hrs ago •

Friday Harbor Open APIs, Yasmina $2M, APIDynamics M2M Security

The API Changelog issue 2025.29

Jul 22 •

Defining Mock Data Using OpenAPI Overlays

You shouldn't have to change your OpenAPI to add examples.

Jul 18 •

Bentley Blyncsy, ZeroEntropy $4.2M, IPInfo Proxy Detection API

The API Changelog issue 2025.28

Jul 14 •

Integrating Multiple AI Agents

What do you do when one AI agent is not enough?

Jul 11 •

Foxit PDF API, OpenRouter $40M, SOCRadar Threat MCP

The API Changelog issue 2025.27

Jul 7 •

On the Behavior of OpenAPI's oneOf

How exactly does OpenAPI's oneOf work?

Jul 4 •

June 2025

Deepgram Voice API, OpenRouter $40M, Thales Detects BOLA Vulnerabilities

The API Changelog issue 2025.26

Jun 30 •

Connecting AI to Reality

What are the opportunities in interfacing reality with AI to improve existing processes?

Jun 27 •

Alternative Ways to Make Your APIs Discoverable

Make consumers happier by making it easier to find and use your APIs.

Jun 25 •

Sri Lanka API Policies, SaturnX $3M, Bitdefender + Mesh Security

The API Changelog issue 2025.25

Jun 23 •

Automating API Discovery with RFC 9727

Is this the best way to programmatically advertise your APIs?

Jun 20 •

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts