
Prelude Verify
Verify users, boost conversions, save money.
Boost your app's conversion rate with Prelude Verify. Our anti-spam SMS API ensures you only pay for verified users, while AI-powered routing across 30+ carriers guarantees reliable and cost-effective delivery. Try Prelude Verify today!


More About Prelude Verify
Prelude Verify
Prelude is an OTP & SMS verification API designed for developers. It provides cost-effective and reliable verification solutions for various applications and scenarios. Its unique multi-provider routing system and advanced anti-fraud measures ensure high deliverability and security.
- •Cost-Effective Verification:Prelude's intelligent routing system automatically selects the most cost-effective and reliable SMS provider for each message, resulting in a 40% reduction in verification costs compared to traditional methods. This optimization ensures that you get the best price for each country, minimizing expenses without compromising on delivery.
- •Global Reach and Scalability:With a single setup, access over 20 leading global and local text-message providers and 1000+ routes across 230 countries. This extensive network ensures high deliverability and enables you to reach users worldwide, regardless of their location.
- •Robust Security and Fraud Prevention:Prelude's advanced anti-fraud system blocks 99% of spam and fraudulent attempts, protecting your business from malicious activities and ensuring the security of your verification process. This system uses a combination of techniques, including a comprehensive database, real-time pattern matching, and behavioral detection, to identify and prevent fraudulent messages.
- •High Deliverability and Reliability:Achieve near-perfect deliverability with instant fallback to the next best route, ensuring no downtime. This feature guarantees that your verification messages are delivered reliably, even in case of temporary issues with a specific provider.
- •Easy Integration and Setup:Prelude offers a simple and intuitive API with 4 easy-to-use endpoints that handle 1000+ routes, making integration seamless and straightforward. This user-friendly interface simplifies the process of sending OTPs, reducing development time and effort.
By choosing Prelude, you gain a reliable SMS verification solution that streamlines workflows and enhances user experiences. It reduces costs, improves deliverability, and bolsters security, leading to significant efficiency gains and a more seamless user journey. Focus on growth, not infrastructure.










