Multi-channel 2FA · Verify Call · SMS · Telegram · WhatsApp

30¢ fraud. 20¢ middlemen.
We eliminate both.

30¢ fraud20¢ intermediaries50¢ actual value

Multi-channel 2FA authentication with Verify Call, SMS, Telegram, and WhatsApp — built on direct carrier connections, no markup, no surprises.

Start Free — $2 credit, no credit card View Pricing

✓

Call initiated to +1 (415) 555-2671

01JXKQ_9A2F · 1,284 ms

POST /v1/call/flashLIVE

// flash call verification · Node.js

const res = await fetch('https://api.novauth.com/…/call/flash', {

method: 'POST',

headers: { 'x-api-key': 'sk_live_•••' },

body: JSON.stringify({ callee: '+14155552671' }),

});

// → { uuid: "01J…", status: "initiated" }

20101JXKQVGPA…+61 4 0000 00001976 ms

20101JXKQJ2P6…+33 6 12 34 56 781828 ms

20101JXKQLWTW…+1 212 555 8120674 ms

✓

Call initiated to +44 7700 900812

01JXKQ_2BE1 · 920 ms

Supported channels

Verify Call

SMS

Vibersoon

SNAsoon

Why Novauth

Built to fix what's broken in verification.

2–3 days

to production

Secure API Gateway

Direct connection. No intermediaries inflating your costs. OAuth 2.0, TLS 1.3, and a self-serve dashboard from day one.

OAuth 2.0TLS 1.3REST API

90–98%

delivery rate

Intelligent Routing

Dynamic routing picks the fastest, most reliable carrier path for every number — maximizing delivery without inflating your per-attempt cost.

Auto-fallbackLeast-cost routingReal-time

100%

CDR visibility

Transparent Reporting

Full call detail record access. See every verification, every route, every cost — no black boxes, no surprises on your bill.

Full CDRCost breakdownCSV export

Built-in

fraud protection

Anti-Fraud Protection

Rate limiting, number reputation scoring, and anomaly detection built in. Block SIM swap, toll fraud, and SMS pumping before they hit your bill.

Rate limitingReputation scoringAnomaly detection

Developer Experience

One key.
Every channel.

One API key, one endpoint pattern across Flash Call, SMS, Telegram, and WhatsApp. Your integration reads the same in Node, Python, or cURL.

✓Direct carrier connections — zero intermediary markup
✓One API key across Flash Call, SMS, Telegram & WhatsApp
✓Predictable per-call pricing, no monthly minimums
✓Real-time delivery webhooks on every channel

v1.0

// native fetch · Node 18+

const res = await fetch(

'https://api.novauth.com/api/v1/connect-hub/call/flash',

{

method: 'POST',

headers: {

'x-api-key': 'YOUR_API_KEY',

'x-account-id': 'YOUR_ACCOUNT_ID',

body: JSON.stringify({ callee: '+14155552671' }),

}

);

const data = await res.json();

// { uuid: "01J...", caller: "+19...", callee: "+14155552671" }

Market opportunity

$0.00B

Global 2FA market by 2035

$0.0B

A2P SMS market by 2026

The 2FA verification market is growing — but 50 cents of every dollar spent is lost to fraud and middlemen. Novauth connects directly to carriers, closing that gap entirely.

Source: Future Market Insights · A2P SMS data via Juniper Research

Comparison

Why teams switch to Novauth.

Verify Call and Telegram are channels the major players simply don't offer — or charge extra for.

Feature

Novauthus

Twilio

Sinch

Verify Call OTP

Telegram OTP

WhatsApp OTP

Viber OTP

soon

SNA (Silent Auth)

soon

Data based on publicly available pricing and feature pages as of 2025. Subject to change.

30¢ fraud. 20¢ middlemen.We eliminate both.