| What it does | EU-hosted webhook gateway that verifies signatures, stores events durably, and delivers them with retries and replay
| Phone, email, IP and domain validation API with traceable evidence
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| Stage | Not given
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| Founded | Not given
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| Based in | DE
| GB
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: 10,000 events/month, no card required. Pro: €29/month or €290/year for 100,000 events/month. Team: €99/month or €990/year for 1,000,000 events/month. Yearly billing costs ten months for twelve on Pro and Team.
| Free: 500 credits once on signup, no card required. Starter: £19/month for 20,000 credits per month. Growth: £49/month for 85,000 credits per month. Professional: £149/month for 300,000 credits per month. Phone, email and IP checks cost 1 credit each; domain checks cost 2 credits.
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| Key features | - Signature verification with HMAC-SHA256 and SHA1
- Smart retries with exponential backoff and circuit breaker
- Payload transformations per destination
- Outbound request signing
- Live tail with real-time event stream
- Dead-letter queue with bulk resend
- Delivery failure alerts
- Acknowledges 99% of webhooks under 10ms server-side
- At-least-once delivery guarantee
- Ordered delivery on Team plan
| - Phone validation with format checking and numbering plan validation
- Email validation with domain existence and MX record checking
- IP address classification and special-purpose registry screening
- Domain infrastructure validation including DNS, SPF and DMARC checks
- Unified response format across all four check types
- Structured policy actions with machine-readable reason codes
- Idempotent retries with credit replay
- TypeScript SDK with versioned API contract
- Evidence and limitations in every response
- 90-day credit rollover across all plans
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| What makes it different | - EU-hosted on Hetzner servers in Germany with no US data transfer
- Receives and stores events before delivering them, ensuring no webhook is lost
- Free plan with 10,000 events per month, no card required
- Data Processing Agreement available on paid plans
- Automatic event deletion with retention windows of 14, 30, or 90 days
| - Every finding names its source and every capability limitation is explicitly stated in the response
- One unified API endpoint and response shape for four different validation types
- Maintained checks and registries with pinned upstream data and SHA-256 verification
- Transparent credit costs shown before running checks and returned in every response
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 13 ▲ +2 (up) since last check | 2 ▲ +1 (up) since last check |
| Trust Flow (Majestic) | 20 | 20 |
| Citation Flow (Majestic) | 22 | 23 |
| Referring domains (Majestic) | 37 | 65 |