Parse instantly
Load OpenAPI 3 and Swagger 2 from URLs and Swagger UI pages.
Engine v1.2.4-stable
Sculpt yourAPI Workflow.
Transform static documentation into interactive explorers. High-precision parsing for the modern developer ecosystem.
Supports
OPENAPI 3.0SWAGGER 2.0
OpenAPI 3Swagger 2Parse & exploreRequest builderSchema-awareQuality scoreTypeScriptREST-firstSpec-drivenBrowser-nativeOpenAPI 3Swagger 2Parse & exploreRequest builderSchema-awareQuality scoreTypeScriptREST-firstSpec-drivenBrowser-native
Product
What APIForge does
Turn a spec URL into a live workspace: browse operations, generate code, and exercise endpoints without juggling five tools.
Generate everything
TypeScript shapes, IDE-ready prompts, and structured test ideas scoped to the endpoint or collection.
Test without leaving
Compose requests from the spec, describe payloads in plain language, and validate responses against schemas.
Workspace
Everything you need. Right where you need it.
A single surface for exploration, generation, and execution — tuned for deep work.
- No more manual parsing
- Collections and filters that stay fast on large specs
- AI payload and schema insight beside your editor
- Re-parse a new URL from the header without losing flow
Flow
How it works
From URL to validated request in four moves.
1
Paste API URL
Point APIForge at your OpenAPI or Swagger source.
2
Explore endpoints
Scan tags, methods, and paths with search and filters.
3
Generate code
Stream TypeScript and prompts aligned to the active operation.
4
Test instantly
Send requests, tune bodies, and check responses against the spec.
Try it
Try APIForge right now
Same parser as the hero — jump in when you are ready to load a real spec.
❤️Back the Vision
Current Status: Running on Free AI Models
Help Us Unlock Paid Frontier Models for Everyone
APIForge currently operates entirely on community free-tier models. While great for basic workflows, free models face strict rate limits and reduced reasoning depth. Your funding directly sponsors paid flagship models (Claude 3.5 Sonnet, GPT-4o, DeepSeek R1 Pro) to supercharge result accuracy and unlock powerful new features for the entire community.
Paid LLMs
Higher Accuracy & Paid Frontier LLMs
Currently, we rely on free models that can occasionally hallucinate or truncate complex schemas. Your support funds paid Claude 3.5 Sonnet & GPT-4o keys for unmatched reasoning precision across massive APIs.
Claude 3.5 SonnetGPT-4oDeepSeek R1 Pro
Low Latency
Unlock Advanced Features & Deep Tests
Paid models will unlock new capabilities: comprehensive edge-case mock generation, automated schema breaking-change analysis, and multi-file contract refactoring.
Sub-second LPU PoolZero Throttling
Open Forever
100% Free Core Developer Workbench
All core developer tools—the interactive OpenAPI explorer, live request runner, and schema validation—will remain completely free, public, and open-source forever.
OpenAPI ExplorerSchema Quality Engine
UPIbhattrishu07-1@oksbi•GPay, PhonePe, Paytm, BHIM & Cards
Trust
Why developers choose APIForge
Built for specs that power real products — not toy demos.
No setup required
Runs in the browser. Paste a URL and start — no CLI install or account wall.
Instant parsing
Optimized path for common Swagger UI and hosted JSON patterns.
Developer first
Monospace affordances, keyboard-friendly controls, and dense information layout.
AI-powered
Groq-backed generation with clear streaming and copy-ready outputs.