Abstract Phone Validation
Telephony & SMS · Operational · 30d uptime 100%
Validate any phone number in real time and get its carrier, line type, and location. 100 free requests a month, no credit card required. Start for free.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Unknown
Health
408ms
Trust score
87 (B)
Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagewww.abstractapi.com/phone-validation-api
- Documentationwww.abstractapi.com/phone-validation-api
- Base URLwww.abstractapi.com/phone-validation-api
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Unknown