Abstract Phone Validation API
Telephony & SMS · Operational · 30d uptime 100%
Validate any phone number in real time and get its carrier, line type, and location. 100 free requests at signup, no credit card required. Start for free.
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Unknown
Health
384ms
Trust score
87 (B)
Last checked Oct 17, 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