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Hook0
Dedicated outbound webhook delivery infrastructure handling event subscriptions, retries, signatures, and monitoring with EU data residency.
About Hook0
Hook0 is a dedicated outbound webhook delivery service built for software companies that need to send events to their users reliably and securely. Built with a focus on compliance and data residency, Hook0 operates out of the EU, making it an attractive option for European companies adhering to strict GDPR regulations.
The platform provides a comprehensive suite of delivery tools, including an intuitive dashboard for managing event subscriptions, automated retry mechanisms for failed requests, and cryptographic payload signing. Hook0 allows engineering teams to outsource their webhook dispatching layer, saving weeks of development time and reducing the ongoing maintenance of dead-letter queues.
Key Features
- Event Subscriptions: Manage which users are subscribed to specific webhook topics.
- Payload Signing: Secure outbound payloads to prevent spoofing attacks.
- Automated Retries: Configurable retry schedules for endpoints that return errors.
- Delivery Monitoring: Detailed logs and dashboards to track successful and failed dispatches.
- EU Data Residency: Hosted in Europe, ensuring strict compliance with local data laws.
- Self-Hosted Option: Open-source version available under the SSPL-1.0 license.
Pricing
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Startup: €59/month Up to 30,000 events/day, cloud-hosted.
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Pro: €190/month Up to 100,000 events/day, advanced features, priority support.
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On-Premise Pro: €500/month Self-hosted commercial license for full data control (Plus €1,000 setup fee).
Use Cases
- B2B SaaS event delivery
- EU-compliant API webhooks
- Outbound event dispatching
- Developer portal integrations
Pros & Cons
Pros:
- Strong focus on EU data residency and GDPR compliance.
- Flat predictable pricing based on generous daily event limits.
- Available as a self-hosted open-source application.
Cons:
- Less focus on inbound webhook ingestion.
- Ecosystem of SDKs is smaller compared to market leaders.
Integrations
Stripe, Slack, Custom APIs
FAQ
What is Hook0 designed for?
Hook0 is designed exclusively for outbound webhook delivery, helping software platforms send event notifications to their customers reliably.
Where is Hook0 data hosted?
Hook0 Cloud is hosted in the EU, which provides strong compliance for companies adhering to GDPR and European data privacy laws.
Does Hook0 offer a self-hosted version?
Yes, Hook0 provides an open-source version under the SSPL-1.0 license, as well as an On-Premise Pro plan for commercial self-hosting.
How does Hook0 handle security?
Hook0 secures outbound webhooks by automatically signing the payloads, allowing the receiving party to verify that the request authentically originated from your platform.
What happens when a customer's endpoint fails?
Hook0 utilizes an automated retry system, queuing the failed webhook and re-attempting delivery to ensure data is not lost during temporary outages.
How is Hook0 priced?
Hook0 uses a tier-based subscription model based on daily event limits, starting at €59/month for 30,000 events per day.
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Last edited
November 4, 2026 at 9:07 AM by Venkatraman Chandrasekaran
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