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Looking for a Hookdeck alternative? Hook0 is a 100% open-source webhook platform you can self-host. Hookdeck is a webhook gateway. They solve different problems. Here is what each one actually covers.
Trusted by teams at
Hook0 and Hookdeck solve different problems. One sends webhooks, the other proxies them.
| Feature | Hook0 | Hookdeck |
|---|---|---|
| Type | Full webhook platform | Webhook gateway / proxy |
| Open-Source | Yes (SSPL-1.0) | No (closed-source) |
| Self-Hosting | Yes (Docker / K8s) | No |
| Send Webhooks | Yes (core feature) | No (proxy only) |
| Subscriber Management | Built-in portal | Not applicable |
| HMAC Signatures | Generated automatically | Verification only |
| Event Type Management | Full event type registry | No |
| Free Tier | 100 events/day, no credit card | 100,000 events/month |
| Data Hosting | Europe (GDPR) or self-host | US-based |
Hook0 is a webhook platform: you send events via API, Hook0 delivers them to subscribers with retries, signatures, and monitoring. Hookdeck is a gateway that sits between existing webhook senders and receivers to add reliability. It doesn't send webhooks itself.
Yes. Hook0 is fully open-source under the SSPL-1.0 license. You can inspect, modify, and self-host the entire codebase. Hookdeck is closed-source and only available as a managed SaaS.
Yes. Hook0 supports self-hosting via Docker Compose or Kubernetes at no cost. Hookdeck does not offer self-hosting — it is a cloud-only service.
If you need to add webhooks to your product (send events to your users' endpoints), use Hook0. If you already receive webhooks from third parties and just need a reliability proxy, Hookdeck may fit. They're different tools for different problems.
Want more detail? Read the full comparison with architecture diagrams in our docs.
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