# Hook0

> Open-source webhook platform with managed cloud hosting and EU-based compliance infrastructure

- **Canonical URI:** https://www.vioscale.ai/software/hook0
- **Category:** Webhooks Infrastructure
- **Homepage:** https://www.hook0.com
- **Also known as:** hook0
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-19T22:55:02.091Z

## Vioscale score

**67.7 / 100**, confidence 42% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 50 | 0.052 | 2.6 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.04877777777777778 | 0 | - |
| integrations | 100 | 0.04066666666666666 | 4.1 | ✓ |
| security_posture | 25 | 0.073 | 1.8 | ✓ |
| pricing_transparency | 100 | 0.084 | 8.4 | ✓ |

## Pricing

_As of 2026-08-19, [verify at source](https://www.hook0.com/pricing). Independently observed._

from €59/mo · Hybrid · Free tier

> Free Developer tier. Startup from €59/month. Pro from €190/month with annual discount. Open-source self-hosting free. On-Premise managed options available.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Developer | Free | ✓ | - |
| Startup | €59/month + €0.003 per overage event | - | monthly |
| Pro | €190/month or €1,824/year (20% off) + €0.0001 per overage event | - | monthly |
| Enterprise | Contact sales | - | - |
| Self-Hosted (Open-Source) | Free | ✓ | - |
| On-Premise Managed | €1,000 setup + €500/month or €0 setup + €6,000/year | - | monthly |

### Developer

Free tier with basic webhook capabilities

**Included limits:** event_types: 1, subscriptions: 10, events_per_day: 100, data_retention_days: 7

- 1 event type
- 10 subscriptions
- 100 events per day
- 7 days data retention
- Community support
- HMAC signatures
- Fully managed infrastructure

### Startup

Startup plan with higher event limits and email support

**Included limits:** developers: 25, subscriptions: 300, events_per_day: 30000, data_retention_days: 14

- 25 developers
- 300 subscriptions
- 30,000 events per day
- Overage billing at €0.003 per event
- 14 days data retention
- Email support (3-day response)
- HMAC signatures

### Pro

Production plan with unlimited developers and priority support

**Included limits:** developers: unlimited, subscriptions: 100000, events_per_day: 100000, data_retention_days: 30

- Unlimited developers
- 100,000 subscriptions
- 100,000 events per day
- Overage billing at €0.0001 per event
- 30 days data retention
- Priority email support (3-day response)
- Static source IPs on demand
- HMAC signatures

### Enterprise (Contact sales)

Custom enterprise plan with dedicated support

- Custom event limits
- Custom SLA
- Dedicated support
- Security and compliance features

### Self-Hosted (Open-Source)

Free open-source deployment with community support

- Open-source under SSPL-1.0 license
- Complete data control
- Community support on Discord
- Docker Compose or Kubernetes deployment

### On-Premise Managed

Dedicated managed instance deployment with professional support

- Dedicated Hook0 instance
- Compatible with most cloud providers
- Managed updates
- Custom developments
- Training available

## About

A webhook delivery service handling event routing, HMAC signing, retries, and monitoring. Available as both a managed cloud service hosted in Europe or as self-hosted open-source software under the SSPL-1.0 license.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS, Hybrid, On-premise, Self-hosted

## Integrations (2)

_Independently observed._

- Zapier
- Integromat

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.model | freemium | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.price_level | mid | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.starting_price | `{"amount":59,"currency":"EUR"}` | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.transparent | yes | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 3,000 | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"hqCountry":"FR","primaryMarkets":["FR","US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://www.hook0.com/pricing) | 2026-08-19 | 75% (high) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://www.hook0.com/pricing) | 2026-08-19 | 60% (medium) |
| security.gdpr | yes | [link](https://www.hook0.com/security) | 2026-08-19 | 75% (high) |
| security.pci | yes | [link](https://www.hook0.com/security) | 2026-08-19 | 75% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/hook0). Independent, evidence-based software intelligence. Cite the canonical URI.*