| What it does | Phone, email, IP and domain validation API with traceable evidence
| Send SMS, WhatsApp, and RCS messages via REST API or official SDKs
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| Stage | Not given
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| Founded | Not given
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| Based in | GB
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| Pricing model | Freemium
| Paid
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| Pricing | 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.
| Usage-based pricing with carrier pass-through fees varying by channel and destination country. Volume discounts available for 1M+ messages/month.
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| Key features | - 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
| - REST API for SMS, WhatsApp, and RCS messaging
- Official SDKs for TypeScript, Python, Go, Java, C#, PHP, and Ruby
- Pre-built OTP and verification templates
- Webhook support for delivery events and real-time updates
- Message templates with approval workflow
- Messaging to 200+ countries with compliance tracking
- Light onboarding without KYC verification
- Auto Charge billing for automatic account top-ups
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| What makes it different | - 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
| - Unified API supporting SMS, WhatsApp, and RCS through a single integration
- Start sending immediately without KYC with light onboarding in 2 minutes
- Free trial with 500 real sends per day and pre-built templates
- Official SDKs for seven programming languages including TypeScript, Python, and Go
- SOC 2 Type II certified for compliance and security
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +1 (up) since last check | 64 ● no change since last check |
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| Trust Flow (Majestic) | 20 | 20 |
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| Citation Flow (Majestic) | 23 | 36 |
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| Referring domains (Majestic) | 65 | 71 |
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