Dev Proxy website screenshot

Dev Proxy

Dev Proxy is a Microsoft command-line tool for simulating, testing, and debugging API interactions during development.

Dev Proxy publishes 2 APIs on the APIs.io network: JWT API and Proxy API. Tagged areas include Debugging Proxy and Proxy.

Dev Proxy’s developer surface includes documentation and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
29.2/100 thin ▬ flat Agent 26/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
3 APIs 9 Agent Skills
Debugging ProxyProxy

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 29.2/100 · thin
Contract Quality 10.2 / 25
Developer Ergonomics 1.7 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 4.6 / 10
Agent readiness — 26/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 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 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/dev-proxy: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

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

Dev Proxy

Dev Proxy is a Microsoft command-line tool for simulating, testing, and debugging API interactions during development.

Dev Proxy JWT API

The JWT API from Dev Proxy — 1 operation(s) for jwt.

Dev Proxy Proxy API

The Proxy API from Dev Proxy — 4 operation(s) for proxy.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Microsoft Dev Proxy — Proxy API

OPEN COLLECTION

Agent Skills 9

Packaged agent skills for driving this provider's APIs from an AI assistant.

pr-review

AGENT SKILL

winui-code-review

AGENT SKILL

winui-design

AGENT SKILL

winui-dev-workflow

AGENT SKILL

winui-packaging

AGENT SKILL

winui-session-report

AGENT SKILL

winui-setup

AGENT SKILL

winui-ui-testing

AGENT SKILL

winui-wpf-migration

AGENT SKILL

Scroll for all 9

Pricing Plans 1

Published pricing tiers and plan structures.

Dev Proxy Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Dev Proxy Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Dev Proxy Finops

FINOPS

Security Posture 2

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

Dev Proxy Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Dev Proxy Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

Dev Proxy Agentic Access

6 operations · 4 acting · 2 human-in-the-loop

6 operations · 4 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 AgentSkills
AgentSkills

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: dev-proxy
name: Dev Proxy
description: Dev Proxy is a Microsoft command-line tool for simulating, testing, and debugging API interactions during development.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/dev-proxy.png
tags:
- Debugging Proxy
- Proxy
url: https://raw.githubusercontent.com/api-evangelist/dev-proxy/refs/heads/main/apis.yml
created: '2026-03-27'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: dev-proxy:dev-proxy
  name: Dev Proxy
  description: Dev Proxy is a Microsoft command-line tool for simulating, testing, and debugging API interactions during development.
  humanURL: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/overview
  tags:
  - Debugging Proxy
  - Proxy
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/
  - type: GettingStarted
    url: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/get-started
- aid: dev-proxy:dev-proxy-jwt-api
  name: Dev Proxy JWT API
  description: The JWT API from Dev Proxy — 1 operation(s) for jwt.
  humanURL: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/overview
  tags:
  - JWT
  properties:
  - type: OpenAPI
    url: openapi/dev-proxy-jwt-api-openapi.yml
- aid: dev-proxy:dev-proxy-proxy-api
  name: Dev Proxy Proxy API
  description: The Proxy API from Dev Proxy — 4 operation(s) for proxy.
  humanURL: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/overview
  tags:
  - Proxy
  properties:
  - type: OpenAPI
    url: openapi/dev-proxy-proxy-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/dev-proxy-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/dev-proxy-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/dev-proxy-domain-security.yml
- type: Website
  url: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/overview
- type: Documentation
  url: https://learn.microsoft.com/en-us/microsoft-cloud/dev/dev-proxy/
- type: GitHubOrganization
  url: https://github.com/microsoft/dev-proxy
- name: Agent Skills
  url: https://github.com/microsoft/win-dev-skills
  type: AgentSkills
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com