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Trueguard Phone Validation

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Trueguard Phone Validation is a real-time phone validation API. Send one number and get one JSON response with a clear status: safe, risky, invalid or unknown. Each request checks the number against its country’s numbering plan, returns E.164, international and national formats, and identifies the line type: mobile, landline, fixed or non-fixed VoIP, toll free or premium rate. It also returns the carrier and carrier type, porting status for US numbers, and time zones. Risk checks flag disposable numbers seen on public SMS-receiving sites, high-risk SMS destinations and risky number ranges. Use it on signup forms, before sending OTP codes and when cleaning contact lists to stop SMS pumping, fake accounts and free-trial abuse.

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