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Chrome extension for testing OpenAPI 3 endpoints with browser authentication A powerful Chrome extension for testing OpenAPI 3.x APIs with advanced features including schema-driven request building, jq filtering, and automatic CORS bypass. CORE FEATURES OpenAPI 3.x Support - Parse and validate JSON/YAML specifications - Advanced reference resolution with circular reference protection - Real-time specification validation Professional Request Builder - Dual-mode interface: Form-based and raw JSON editing - Schema-driven form generation from OpenAPI specs - Support for all data types and nested structures - Bidirectional synchronization between modes Advanced Response Processing - Built-in jq filtering for JSON querying - Multiple view modes: Tree, Raw JSON, Filtered results - Real-time query processing - One-click copying of results Smart Request Management - Auto-save/load request configurations per endpoint - Comprehensive history with search and replay - Environment management (dev, staging, production) - Custom URL and query parameter support KEY BENEFITS Bypass CORS Restrictions Unlike web-based API clients, this extension uses Chrome permissions to bypass CORS limitations, allowing you to test any API without server configuration changes. Browser Integration - No separate application required - Access from any tab - Automatic cookie forwarding - Seamless workflow integration Enhanced Productivity - Auto-save configurations for quick re-testing - Request history with search capabilities - Environment switching without reconfiguration - Form-based building reduces errors IDEAL FOR API Developers: Test endpoints during development and validate specifications QA Engineers: Comprehensive testing workflows and regression testing Frontend Developers: Backend API exploration and authentication testing DevOps Teams: API monitoring and environment validation OPEN SOURCE & CONTRIBUTIONS GitHub Repository: https://github.com/marimelon/oapi3-client-ext Report bugs and issues Request new features Contribute to development View source code and documentation
Jul 21, 2025
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