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