Japanese phone validation API

Detects line types (mobile, IP, toll-free, landline) and normalizes full-width digits, separators and +81 country codes into E.164, national and international formats.

Endpoint

MethodPath
GET/api/v1/phone/validate

Example

curl "https://formfit.dev/api/v1/phone/validate?number=090-1234-5678" \
  -H "Authorization: Bearer YOUR_API_KEY"

Response (excerpt)

{"valid":true,"type":"mobile","e164":"+819012345678","formatted":"090-1234-5678"}

FAQ

Does it check reachability?
No — syntax-level validation (length + prefix). No carrier/HLR lookup.

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