K-OTP Documentation

Welcome to the K-OTP documentation. Here you will find everything you need to integrate and manage our OTP (One-Time Password) service for your applications.

K-OTP provides a robust, scalable platform for sending verification codes via SMS, email, and voice calls with comprehensive analytics and security features.

Quick Start

Get up and running with K-OTP in minutes:

1. Sign up for a K-OTP account
2. Generate your API key in the dashboard
3. Send your first OTP using our REST API
4. Verify the OTP to complete authentication

API Overview

K-OTP offers a simple REST API for:

• Send OTP: Deliver verification codes via SMS, email, or voice
• Verify OTP: Validate codes entered by users
• Check Status: Monitor delivery status and analytics
• Manage Templates: Customize message templates

Authentication

All API requests require authentication using your API key:

curl -X POST "https://api.k-otp.dev/v1/send" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json"

Supported Delivery Methods

• SMS: Global SMS delivery with carrier optimization
• Email: HTML and plain text email templates
• Voice: Automated voice calls in multiple languages
• WhatsApp: Business API integration (coming soon)

Security Features

• End-to-end encryption for all data
• Rate limiting and fraud detection
• GDPR compliance and data protection
• Audit logs and security monitoring
• Two-factor authentication for accounts

Analytics & Monitoring

Track your OTP performance with:

• Delivery success rates by country and carrier
• Cost analysis and usage metrics
• Geographic usage patterns
• Security event monitoring
• Custom dashboard and alerts