Svix is an enterprise-ready webhook service that simplifies the process of sending webhooks for developers. Rather than building and maintaining complex webhook infrastructure, developers can make a single API call to Svix, which then handles all critical aspects of webhook delivery:

Key Features:

• Reliable deliverability with automatic retries
• Built-in security features including webhook signature verification
• Support for both symmetric (default, faster) and asymmetric signatures
• Comprehensive webhook management and monitoring
• Support for multiple databases (PostgreSQL) and message queues (Redis)

The project provides official client libraries for multiple programming languages:

• Go
• Python
• TypeScript/JavaScript
• Java
• Kotlin
• Ruby
• C# (.NET)
• Rust
• PHP

Technical Details:

• Server written in Rust
• Requires PostgreSQL for storage
• Optional Redis dependency (v6.2.0+) for task queue and caching
• Configurable via environment variables, .env files, or config.toml
• Support for OpenTelemetry for tracing and monitoring
• Built-in SSRF protection against internal IP addresses
• JWT-based authentication system
• Operational webhooks feature for monitoring system events

The project is open source under the MIT license and maintains active community support through:

• GitHub Issues for bug reports and feature requests
• Community Forum for discussions
• Slack community for real-time chat