Vextorium
Validate and normalize a phone number from any country: E.164, national and international format, type (mobile, landline, toll-free, VoIP...), country, region, original carrier and time zones. Nothing is called or stored.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 114 ms
- Price
- $0.003 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Developer tools and utilities
- Address
- https://api.vextorium.com/v1/phone-validate
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/0488eeab6f3e.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).