SMS & OTP API

Send transactional SMS and OTP verification codes globally via a single REST API. 190+ country coverage with direct carrier routing, automated failover, and built-in fraud protection.

Features

• Global delivery to 190+ countries with smart carrier routing
• OTP verification flows: send code → verify code, with session tokens
• Multi-channel failover: SMS → WhatsApp → Email automatically
• Fraud protection: rate limiting per number, max attempts, code TTL
• Custom Sender ID (alphanumeric) in supported countries
• Idempotency keys prevent duplicate sends on retry
• Delivery receipts via webhook for every message