Prelude Verify

Overview

Prelude is an SMS and OTP verification API enabling global phone verification across 230 countries. It offers advanced routing, AI-driven fraud protection, easy integration, and real-time analytics to enhance user authentication for developers.

From the official site

Prelude unifies device, network, and signup signals into one onboarding decision, helping you build trust while protecting conversion and cost efficiency.

The text above is quoted from this tool’s official website — the vendor’s own words.

How to use it

1. Register at prelude.so and read the quick-start documentation
2. Create a test project and run the first example end to end
3. Adjust parameters and invocation patterns to fit your requirements
4. Once stable, connect it to production with error handling and rate limiting