# Microsoft Edge

**Canonical:** https://apis.io/providers/microsoft-edge/  
**Website:** https://developer.microsoft.com/microsoft-edge/  
**APIs profiled:** 8

APIs and resources for Microsoft Edge browser development and integration, including the Edge Add-ons API for extension management, DevTools Protocol for browser debugging and automation, Extensions API for building browser extensions, and Web Platform APIs for progressive web app development.

## Kin Score — 39.6 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 39.6).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 27.3 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 50.0 |
| Commercial Clarity | 40.8 |
| Access Clarity | 40.8 |

## Agent readiness — 41.9 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (8)

- **Microsoft Edge Extensions API** — Build browser extensions for Microsoft Edge using the Chromium-based extensions platform. Supports the WebExtensions API standard for cross-browser compatibility.
- **Microsoft Edge Web Platform APIs** — Modern web APIs and standards supported in Microsoft Edge, including Progressive Web App capabilities, Web Components, and emerging web platform features.
- **Microsoft Edge Browser API** — Browser-level information and management
- **Microsoft Edge Packages API** — Upload and manage extension packages
- **Microsoft Edge Pages API** — Page target management
- **Microsoft Edge Products API** — Manage extension products in the Edge Add-ons store
- **Microsoft Edge Publishing API** — Publish and unpublish extensions
- **Microsoft Edge Targets API** — Discover and manage debuggable browser targets

## Agentic access (1)

- **Microsoft Edge Agentic Access** — 12 operations · 5 acting

## Security (3)

- **Microsoft Edge Authentication** — http · 1 scheme
- **Microsoft Edge Domain Security** — TLSv1.3 · HSTS · DMARC
- **Microsoft Edge Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Microsoft Edge Plans Pricing**

## Use cases (8)

- **Automated Extension Deployment** — Use the Add-ons API to automate CI/CD pipelines for publishing and updating browser extensions.
- **Browser Testing and QA** — Leverage DevTools Protocol for automated browser testing, performance auditing, and regression detection.
- **Custom Browser Controls** — Embed Edge rendering in desktop applications for custom browser experiences using WebView2.
- **Enterprise Content Filtering** — Build enterprise extensions for content filtering, security policy enforcement, and compliance monitoring.
- **Web Scraping and Data Extraction** — Use DevTools Protocol to programmatically navigate pages and extract structured data.
- **Accessibility Testing** — Automate accessibility audits using DevTools Protocol to inspect DOM, ARIA attributes, and contrast ratios.
- **Performance Monitoring** — Collect real-time performance metrics, network traces, and JavaScript profiling data via DevTools Protocol.
- **Progressive Web App Distribution** — Build and distribute PWAs through the Microsoft Store with native-like installation and system integration.

## Tags

Browser, Chromium, Developer Tools, Edge, Extensions, Microsoft, Progressive Web Apps, Web Development, WebView

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/microsoft-edge/). Scores are computed from the provider's own public artifacts under a published rubric.