Send secure OTPs and login codes on WhatsApp
Authentication templates with one-tap autofill and copy-code buttons — more reliable and often cheaper than SMS.
99%
Delivery reliability
1-tap
Autofill
E2E
Encrypted
WhatsApp Authentication
Powered by the official WhatsApp Business API
What is WhatsApp authentication?
WhatsApp authentication templates deliver one-time passwords for login, sign-up and transaction verification, with copy-code or one-tap autofill buttons.
Key features
Key features of Pintxt WhatsApp Authentication
One-tap autofill
Codes fill automatically on Android apps.
Copy-code button
Users copy the OTP in one tap.
API ready
Send OTPs from your app or website via REST API.
Encrypted delivery
End-to-end encrypted by WhatsApp.
How it works
How to get started with WhatsApp Authentication
Create an auth template
We help you get it approved.
Connect the API
Call our OTP endpoint from your backend.
Send codes
Users receive codes on WhatsApp.
Track delivery
See delivery and read status.
Free onboarding
We set up your WhatsApp Business API at no cost.
0% markup
Meta charges billed at actual rates.
Official Meta partner
Built on the official WhatsApp Business Platform.
Human support
Real people on WhatsApp, email and calls.
Platform
Explore more WhatsApp Business API features
Everything you need to engage customers, boost sales and simplify support — on one platform.
WhatsApp Broadcasting
Share offers, updates and announcements with thousands of opted-in contacts in one click — each message lands in the customer’s own chat.
AI Chatbot
Build no-code chatbot flows and train an AI assistant on your business so customers get instant answers — even at 2 AM.
Click-to-WhatsApp Ads
Run Click-to-WhatsApp ads that open a chat with your business — and greet every lead instantly with an automated reply.
Drip Campaign
Send the right message at the right time — onboarding, reminders, follow-ups and re-engagement sequences that run on autopilot.
WhatsApp Catalog
Give customers a mini-store inside WhatsApp — browse products, add to cart and place orders without leaving the chat.
WhatsApp Forms
Use WhatsApp Flows to capture bookings, lead details, surveys and feedback in a native, app-like form — inside the chat.
WhatsApp Blue Tick
Build instant trust with customers — we help you prepare and submit your Meta Verified / official business account application.
WhatsApp Payments
Send payment requests with UPI, cards and payment links so customers pay in the same chat where they ordered.
Interactive Messages
Replace typing with tapping — reply buttons, list menus, CTA buttons and order updates that make conversations faster.
WhatsApp Calling API
Let customers call you on WhatsApp and let agents call back — with routing, call logs and the same number you chat on.
Team Inbox
Multiple agents, one WhatsApp number. Assign chats, add notes, and never miss a customer message again.
Instagram DM Automation
Auto-reply to DMs, story replies and post comments — and send product links, offers or lead forms instantly.
Industries
Explore industry-wise WhatsApp use cases
FAQ
Frequently asked questions
Is WhatsApp OTP cheaper than SMS?+
It is often comparable or cheaper depending on country; see the Meta rate card.
Do I need a developer?+
A developer is needed to connect the OTP API to your app or website.