Prelude

What is Prelude?

Prelude is an OTP (One-Time Password) & SMS verification API specifically designed for developers. It allows you to send verification text messages globally, ensuring the best price, deliverability, and zero spam.

Key Features:

• Global Reach: Send verification messages in 230 countries.
• Cost Reduction: Save up to 60% on costs by leveraging the best price for each country with no mark-up on SMS prices.
• High Deliverability: Achieve 95% successful verification with multi-routing and instant-fallback API.
• Fraud Prevention: Block 99% of fraud with four layers of protection and AI models.
• Multi-Routing: Connects to 30+ providers, automatically determining the best route at the lowest cost.
• Channel Optimization: Uses the best channels per country, like WhatsApp in Brazil, Viber in Ukraine, and Zalo in Vietnam, with SMS as a fallback.
• Real-time Analytics: Track conversion rates, average prices, and time to convert with transparent data and intuitive visualizations.
• Easy Implementation: Integrate quickly with a minimalist API and multi-language SDKs.
• Dedicated Support: Get premium support via Slack or email.

How to use Prelude?

1. Sign Up: Create an account on the Prelude website.
2. Integrate API: Use the provided API endpoints and SDKs to integrate Prelude into your application.
3. Send Verification Messages: Use the API to send OTPs via SMS to users for phone number verification.

Code Example:

curl -s 'https://api.prelude.dev/v2/verification' \
  --header 'Authorization: Bearer <YOUR_TOKEN>' \
  --header 'Content-Type: application/json' \
  --data '{"target":{"type":"phone_number","value":"<YOUR_PHONE_NUMBER>"}}'

Why is Prelude important?

Prelude helps improve onboarding KPIs, reduce costs, and prevent fraud, making it an essential tool for startups, scale-ups, and enterprises. It ensures only real users access your platform, boosting security and trust.

Where can I use Prelude?

Prelude is ideal for:

• Fintech
• Consumer Apps
• Dating & Social Apps
• Mobility Services
• B2B Software

Best way to implement Prelude?

1. Start for Free: Begin with a free account to test the service.
2. Read Documentation: Consult the comprehensive documentation for easy integration.
3. Use SDKs: Utilize multi-language SDKs for swift implementation.
4. Monitor Analytics: Track real-time data to optimize delivery and enhance verification processes.