WhatsApp-native delivery
OTP codes arrive in the app your users check first. Higher engagement, lower drop-off, and none of the SMS deliverability roulette.
JustAuth helps your product verify customers through WhatsApp — fast, familiar, and built for teams who want reliability without complexity. Set up in minutes, scale with confidence.
Create your company account, add funds to your wallet, and start verifying customers in minutes. No setup fees, no long contracts — just a platform designed around how your users actually communicate.
Every message tracked, every code secured, and every spend visible in your dashboard — before you go live.
OTP codes arrive in the app your users check first. Higher engagement, lower drop-off, and none of the SMS deliverability roulette.
Every send and verification is recorded in your dashboard. Full visibility for your team, audits, and peace of mind.
Codes expire automatically. Successful verification flushes the handshake immediately — secure defaults without extra configuration.
From checkout flows to compliance-heavy banking — verification that fits how your users already communicate.
Confirm purchases and protect customer accounts with codes delivered straight to WhatsApp — no missed SMS, no frustrated shoppers abandoning cart.
Meet compliance expectations with time-limited codes, automatic expiry, and a complete record of every verification attempt.
Onboard users faster across web and mobile. Manage verification spend from one company dashboard built for growing product teams.
Everything your business needs to verify customers — from first message to confirmed login.
From code request to verified user — in seconds.
JustAuth handles delivery
Read within seconds
Secure & logged
Your users already live in WhatsApp. Verification should meet them there — with pricing and logs you can actually trust.
Only what production teams need — nothing you will never use.
Top up any amount. Spend only when you send. No monthly minimums, no annual contracts.
Messages get read in seconds — not buried in SMS spam folders or delayed by carriers.
Handshakes expire on schedule. Verified codes are purged immediately from storage.
Every verification recorded in your dashboard — visibility you can rely on for support and compliance.
A permanent record of every send and confirm — stats and reports you can trust.
Sign up, fund your wallet, copy credentials, and send your first OTP before your coffee cools.
No subscription tiers and no feature locks. Add funds to your company wallet, then use every capability JustAuth offers — the same experience whether you're sending ten codes or ten thousand.
Create your company account, add any amount to your wallet, and start verifying customers immediately. Each verification draws from your balance — all features remain available regardless of how much you top up.
Sign up and access your dashboard in minutes.
Top up with any amount, whenever you need to.
Your balance decreases per use — no plans to compare.
Included with every wallet — no upgrades required
For high-volume operations, dedicated support, custom agreements, or specific business requirements — we'll work with you directly.
Create your company account, add funds to your wallet, and start verifying customers in minutes — not months.
WhatsApp messages see up to 98% open rates versus fragmented SMS delivery. JustAuth routes OTP through WhatsApp so your users receive codes where they already communicate — faster reads, fewer support tickets.
JustAuth uses a simple wallet: create your account, add funds with any amount you choose, and send verifications as you need them. Every feature is included from the start — your balance only affects how many verifications you can send, not what you're allowed to use.
Our documentation includes a guided walkthrough and test environment so you can experience the full flow before connecting your product.
Verification codes expire after two minutes. Once confirmed, they are removed immediately — secure by default, with no extra setup required.
Yes. All OTP logs and transaction history belong to your company account. Audit and export from your dashboard at any time.