Hook0
Hook0 is an open-source Webhooks-as-a-Service (WaaS) designed to simplify webhook management for developers.
Our verdict
Who it's for
Open-source Webhooks-as-a-Service for reliable, secure, and scalable event delivery.
Who should look elsewhere
Dashboards and failure notifications are listed as 'Coming soon', indicating some features are not yet available.
Pros
- +Fully open-source, preventing vendor lock-in and ensuring sustainability.
- +Comprehensive feature set for reliable and secure webhook delivery.
- +Strong emphasis on data sovereignty and GDPR compliance, with European hosting.
- +Easy integration with JSON REST API, SDKs, and AI assistant support.
- +Provides tools for both developers and their subscribers (e.g., embeddable portal, logs).
Cons
- −Dashboards and failure notifications are listed as 'Coming soon', indicating some features are not yet available.
Key features
- ✓Open-Source
- ✓JSON REST API, SDKs, and MCP Server for AI assistants
- ✓Enterprise Level Security (TLS, cryptographic signatures)
- ✓Smart Retries (exponential back-offs, endpoint monitoring, notifications)
- ✓Mock Payloads, Webhook Logs, and Subscriber Portal
- ✓Embeddable Portal with custom subdomain and branding
- ✓Precise Dispatch with fine-grained subscriptions and event filtering
- ✓Data & Sovereignty (data stays in Europe for SaaS, no vendor lock-in)
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Developer | — | month | Fully managed, no infra. to own; 1 developer; 1 application |
| Startup | $59 | month | Fully managed, no infra. to own; 25 developers; 1 application |
| Pro | $190 | month | Fully managed, no infra. to own; Unlimited developers; Unlimited applications |
| Enterprise | — | month | Fully managed, no infra. to own; Unlimited everything; Custom events per day |
| Self-hosted | — | month | Host your own instance; Your data, your rules; Server Side Public License |
| Recommended Pro (On-Premise) | $1000 | month | Your data, your rules; Up to 1,000,000 events/day; Compatible with most cloud providers |
| Enterprise (On-Premise) | — | month | Your data, your rules; Guaranteed SLA & dedicated support; Custom events per day |