Prevent spam signups in your app without hurting conversion rates using Prelude Verify

This task can be performed using Prelude Verify

Verify more users for less with our spam-free SMS API

Best product for this task

Prelude Verify

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Prelude is the smartest way to build user verification into your app. Pay for verified users only with our anti-spam API and boost your conversion rate with our AI-powered routing across 30+ carriers for cost-effective, reliable delivery.

APIUser VerificationSMS VerificationOTPFraud PreventionCybersecurity

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What to expect from an ideal product

1. Uses AI to check if new signups are real people, blocking fake accounts without hassling genuine users
3. Routes verification messages through multiple carriers to make sure users get their codes quickly and reliably
5. Only charges you when users actually verify, saving money on spam attempts
7. Checks phone numbers against known spam patterns before sending verification codes
9. Automatically picks the fastest and cheapest verification method based on the user's location and carrier

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