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Description
Capture API endpoints from any web app and generate OpenAPI/Swagger docs. One-time purchase — no subscription. Generate OpenAPI/Swagger documentation from any web app automatically. FastAPI Doc Gen is a Chrome extension that sits in your toolbar and automatically detects API calls on any web page you visit. It captures endpoints from: Fetch API calls - intercepts all fetch() requests XHR requests - intercepts all XMLHttpRequest calls API documentation links - finds /api/, /docs, Swagger/OpenAPI links Embedded specs - detects OpenAPI/Swagger JSON in <script> tags Axios instances - detects axios base URLs Then it generates a complete OpenAPI 3.0.3 specification that you can Copy to clipboard - paste directly into your IDE or docs Download as JSON - save as openapi.json for use in Postman, Swagger UI, or code generators Use to generate client SDKs - feed into OpenAPI Generator for 50+ languages.