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Microsoft Edge

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.

agent ready

Reference-quality API operations across every facet — a rich contract, published governance, transparent operations, and machine-readable commercial terms.

Kin Score

API Evangelist profiles Microsoft Edge the way a machine reads it — 73 machine-readable artifacts across 8 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.

Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Microsoft Edge scores 70.1/100 (exemplar), with a separate agent-readiness read of 48/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 70.1/100 · exemplar
Contract Quality 19.0 / 25
Developer Ergonomics 9.1 / 20
Commercial Clarity 12.6 / 20
Operational Transparency 8.9 / 13
Governance 10.4 / 12
Discoverability 10.0 / 10
Agent readiness — 48/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3

How we profile Microsoft Edge

Each block below is one kind of artifact we hold for Microsoft Edge. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 8

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

Individual APIs this provider publishes, each with its own machine-readable definition.

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

Scroll within the panel for all 8 ·

Postman Collections 2

A runnable collection turns the contract into something a developer can execute in seconds. We profile them because the fastest way to trust an API is to make a real call against it.

Ready-to-run Postman collections for exercising this provider's APIs.

Arazzo Workflows 7

Real integrations are rarely a single call. Arazzo describes the multi-step sequences — auth, then create, then confirm — so both a human and an agent can follow the choreography, not just the endpoints.

Multi-step API workflows described with the Arazzo specification.

Microsoft Edge Find And Close Target

List debuggable targets, branch on whether any exist, and close the first target.

ARAZZO

Microsoft Edge Inspect Browser Environment

Read the browser version and then fetch the full DevTools Protocol schema.

ARAZZO

Microsoft Edge List And Inspect Product

List the developer account's extensions and fetch full details for the first product.

ARAZZO

Microsoft Edge Open And Activate Target

Confirm the DevTools endpoint, open a new tab at a URL, and bring it to the foreground.

ARAZZO

Microsoft Edge Publish Extension Update

Upload a new extension package, wait for validation, then create and track a store submission.

ARAZZO

Microsoft Edge Submit Draft And Track

Create a submission for an already-uploaded draft and poll it until Published or Failed.

ARAZZO

Microsoft Edge Upload Package And Validate

Confirm a product exists, upload a draft package, and poll until the package is validated.

ARAZZO

Scroll within the panel for all 7 ·

Pricing Plans 1

Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the six things the Kin Score reads for commercial clarity.

Published pricing tiers and plan structures.

Rate Limits 1

Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.

Documented rate limits and quota policies.

Microsoft Edge Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.

Cost, billing, and metering signals for API financial operations.

Features 8

The notable capabilities this provider advertises, captured as structured features so they can be searched and compared instead of read one landing page at a time.

Notable capabilities this provider offers.

Extension Publishing API

Programmatically publish, update, and manage browser extensions in the Edge Add-ons store via REST API.

Remote Debugging Protocol

Debug and inspect web pages, service workers, and extensions using the Chrome DevTools Protocol over WebSocket.

WebView2 Embedding

Embed Microsoft Edge rendering engine in native desktop applications using the WebView2 SDK.

Progressive Web App Support

Build installable PWAs with offline capability, push notifications, and system integration.

Cross-Browser Extension Compatibility

Build extensions using the Chromium WebExtensions API standard for cross-browser portability.

Browser Automation

Automate browser tasks including page navigation, target management, and performance profiling.

Extension Sideloading

Load and test unpacked extensions locally during development without publishing to the store.

Manifest V3 Support

Build extensions using the latest Manifest V3 specification with service workers and declarative APIs.

Scroll within the panel for all 8 ·

Semantic Vocabularies 2

JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.

JSON-LD contexts and semantic vocabularies used across these APIs.

Microsoft Edge Addons Api Context

3 classes · 13 properties

JSON-LD

Microsoft Edge Devtools Api Context

3 classes · 16 properties

JSON-LD

Spectral Rules 2

Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.

Microsoft Edge API Rules

5 rules · 3 warnings

SPECTRAL

Microsoft Edge API Rules

32 rules · 15 errors · 16 warnings

SPECTRAL

JSON Schema 7

Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.

Standalone JSON Schema definitions for this provider's data models.

PackageUploadResult

3 properties

JSON SCHEMA

ProductList

2 properties

JSON SCHEMA

Product

7 properties

JSON SCHEMA

Submission

5 properties

JSON SCHEMA

BrowserVersion

6 properties

JSON SCHEMA

ProtocolSchema

2 properties

JSON SCHEMA

Target

8 properties

JSON SCHEMA

Scroll within the panel for all 7 ·

JSON Structure 7

JSON Structure captures the data shapes in a form built for tooling — a complement to JSON Schema that keeps the model machine-legible.

JSON Structure definitions describing this provider's data shapes.

Addons Api Package Upload Result Structure

3 properties

JSON STRUCTURE

Addons Api Product List Structure

2 properties

JSON STRUCTURE

Addons Api Product Structure

7 properties

JSON STRUCTURE

Addons Api Submission Structure

5 properties

JSON STRUCTURE

Devtools Api Browser Version Structure

6 properties

JSON STRUCTURE

Devtools Api Protocol Schema Structure

2 properties

JSON STRUCTURE

Devtools Api Target Structure

8 properties

JSON STRUCTURE

Scroll within the panel for all 7 ·

Examples 7

Real request and response payloads are what turn a spec from abstract into obvious — and they're one of the twelve things an agent needs to call an API correctly on the first try.

Example request and response payloads for these APIs.

Scroll within the panel for all 7 ·

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Microsoft Edge Authentication

http · 1 scheme

SECURITY

Microsoft Edge Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Microsoft Edge Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.

Recommended x-agentic-access execution contracts for AI agents.

Microsoft Edge Agentic Access

12 operations · 5 acting

12 operations · 5 acting

AGENTIC

Use Cases 8

What developers actually build with this provider — captured so the catalogue answers 'what is this for', not just 'what does this expose'.

What developers build with this provider.

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.

Scroll within the panel for all 8 ·

Integrations 8

Pre-built integrations with other platforms tell you where this provider already fits in a stack.

Pre-built integrations with other platforms and tools.

Azure Active Directory

Authenticate to the Edge Add-ons API using Azure AD OAuth 2.0 client credentials flow.

Microsoft Partner Center

Manage extension listings, submissions, and analytics through the Partner Center dashboard.

Visual Studio Code

Debug Edge browser content directly from VS Code using the Edge DevTools extension.

Selenium WebDriver

Automate Microsoft Edge browser for testing using Selenium with the Edge WebDriver.

Playwright

Cross-browser automation framework with first-class support for Microsoft Edge testing.

Puppeteer

Control headless Microsoft Edge instances programmatically using the Puppeteer Node.js library.

GitHub Actions

Automate extension publishing and browser testing in CI/CD workflows using GitHub Actions.

Windows App SDK

Integrate WebView2 into Windows desktop applications built with WinUI 3 and the Windows App SDK.

Scroll within the panel for all 8 ·

Resources

Every other property we hold for Microsoft Edge — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

Get Started 3

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Commercial 2

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Other 2

Properties that don't map to a standard resource type

← All providers · Data indexed from github.com/api-evangelist/microsoft-edge · machine-readable index on apis.io