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About Sonar
Sonar is a native tool for debugging webhooks. It captures incoming requests and
lets you inspect headers, body content, and query parameters in real-time.
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
License: GPL-3.0-or-later
lets you inspect headers, body content, and query parameters in real-time.
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
License: GPL-3.0-or-later
| Release info | New Release on Sep 30, 2026 |
|---|---|
| Release notes | Dependency & Platform Updates Changes: • Updated to the GNOME 51 runtime • Updated libsecret to 0.21.8 • Refreshed the bundled ngrok binary to 3.39.11 |
| Related tags | webhook ngrok developer |
| Listing data | Flathub |
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