Sonar is a native GTK4 application that provides a beautiful, intuitive interface for capturing and inspecting webhook requests during development. Built with modern technologies and following GNOME design patterns, Sonar makes webhook debugging simple and efficient.

Core Features:

• Instant public URLs via ngrok integration for webhook testing
• Real-time capture of incoming webhook requests as they arrive
• Detailed inspection of headers, body content, query parameters, and metadata
• Quick copy functionality including JSON, cURL, and HTTP formats
• Clean Libadwaita interface that integrates perfectly with GNOME
• Fast and lightweight native application with minimal resource usage

Advanced Features:

• Request bookmarking and starring for quick access
• Request replay to resend webhooks to custom URLs
• Side-by-side request comparison to spot differences
• Request templates for saving and reusing webhook patterns
• Automatic webhook forwarding to multiple URLs
• Advanced filtering by method, content-type, time range, and search
• Persistent history with JSON storage