OpenAPI

Concept

An open specification for machine-readable descriptions of web APIs, used by Semantic Kernel and Microsoft 365 Copilot to describe what plugins and extensions can do.

Title graphic: OpenAPI (Concept)

Type	Concept
Wikipedia	en.wikipedia.org/wiki/OpenAPI_Specification

Key points about OpenAPI

Import vendor Swagger or OpenAPI when available and supply sample requests and responses for clean bindings. · Build Secure Custom Connectors for Power Apps
Build with OpenAPI or from scratch, defining actions and adding retry policies. · Expose Dynamics 365 APIs with Power Platform…

Episodes about OpenAPI

Build Microsoft Copilot Plugins with Azure Functions

2026-05-31 · Video on YouTube

This episode of The Pro Code Edge explores how developers can extend Microsoft 365 Copilot with custom plugins powered by Azure Functions. The discussion focuses on moving beyond out-of-the-box capabilities to create tailored enterprise solutions that connect…

Use Power Automate to Increase Microsoft Copilot ROI

2025-11-10 · Video on YouTube

Most companies think Copilot = instant productivity. Wrong. Copilot isn’t the ROI engine — Power Automate is. Copilot only “suggests.” Power Automate does the work. In this episode we expose the 5 hacks that turn Copilot from a chatty intern into a…

Build Secure Custom Connectors for Power Apps

2025-08-05 · Video on YouTube

Power Apps doesn’t have a connector for your mission-critical system? Build your own. In this episode, I show you—step by step—how to create a secure custom connector that speaks any API’s language (even the “fun” ones with OAuth quirks), so your apps can…

Expose Dynamics 365 APIs with Power Platform Custom…

2025-08-05 · Video on YouTube

Exposing Dynamics 365 APIs through custom connectors in Power Platform enables secure, scalable integration between business applications, automation workflows, and external systems. But improper configuration can introduce security risks, performance issues…

Timeline of episodes about OpenAPI

Articles about OpenAPI (2)

Semantic Kernel Plugins and Functions Explained for .NET and Python Developers
2026-10-23 · Mirko Peters
Learn how Semantic Kernel plugins and functions connect custom code to AI models securely. Master descriptions, OpenAPI, MCP servers, and tool limits.
Mastering the Pro-Code Edge: Building Microsoft Copilot Plugins with Azure Functions
2026-08-26 · Mirko Peters
When organizations attempt to automate critical business operations, they frequently lean on low-code platforms to jump-start productivity. However, as requirements…

Frequently asked questions

How does OpenAPI help with building connectors?

Importing the vendor's Swagger or OpenAPI spec saves effort. If none exists, author a minimal spec focused on the two or three endpoints that matter, and add sample payloads for clean UI bindings. · From the episode: Build Secure Custom Connectors for Power Apps

Glossary

Community wiki

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Sources

Wikipedia: en.wikipedia.org/wiki/OpenAPI_Specification
Feed for this topic (RSS): entity/openapi/feed.xml
M365.FM episodes on this topic: 4
Articles on this topic: 2

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03