Hook0
Open-source webhook platform offering full delivery, retries, and security. Self-host or use the EU-hosted cloud with no credit card required.
Hook0 is an open-source Webhooks-as-a-Service (WaaS) designed to simplify webhook delivery for developers. It handles deliverability, retries, security, and more with a single API call.
Key Features
- Full Delivery & Retries: Ensures reliable webhook delivery with configurable retries.
- HMAC Signatures: Secure payloads with HMAC signatures for authenticity.
- Replay Defense: Protects against replay attacks for enhanced security.
- EU-Hosted Cloud: Hosted in France (EU) with GDPR compliance.
- Self-Hosting: Open-source SSPL-1.0 code for full control over your data.
- REST API & SDKs: Easy integration with REST APIs and SDKs, including MCP-native support.
- Uptime SLA: 99.9% uptime guarantee for reliable service.
- Scalability: Handles millions of webhooks with sub-100ms average delivery time.
Tech / Self-Hosting
Hook0 is open-source under the SSPL-1.0 license and can be self-hosted for full data control. The platform is built for GDPR compliance and offers a transparent, bootstrapped alternative to VC-backed solutions. Documentation and quick-start guides are available for easy deployment.