Phone Number Validation
Parse and validate any phone number worldwide using libphonenumber. Returns is_valid, e164 (canonical international format e.g. '+4917612345678'), national_format, country_code (ISO alpha-2), and line_type (MOBILE/FIXED_LINE/VOIP/TOLL_FREE)
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 75 ms
- Price
- $0.004 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 11
- Category
- Developer tools and utilities
- Address
- https://agentsvc.io/api/v1/proxy/phone-validate
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/badb4b734fd0.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).