CHANNEL API • From $0.0085/verify

OTP & Verify Engine

Multi-channel verification pipeline that automatically cascades from WhatsApp to SMS to Voice Call if unacknowledged, ensuring 99.999% auth completion.

Get Started with OTP & Verify Engine View Rates & Pricing

Live OTP & Verify Engine Tester● Sandbox Mode

Destination Number

Payload Content

Key Capabilities & Compliance

Smart failover cascade: WhatsApp -> SMS -> Text-to-Speech Call

Anti-SIM-swap and anti-bot rate limiting built-in

Customizable OTP code lengths (4 to 8 digits)

Zero code maintenance for multi-channel failovers

Developer Quickstart

Integration Code Sample

const client = new NexusComms('nx_live_key');

const res = await client.otp.send({
  to: '+14155552671',
  brand: 'AcmePay',
  codeLength: 6
});

Regional Delivery & Rate Benchmark

Country / Region	Starting Rate	Avg DLR Latency	Telco Route Type
Global Omnichannel Verification	$0.0085 / verify	20ms	Omnichannel Cascade

Frequently Asked Questions

How much money does failover save?