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WhatsApp OTP Verification API

Authenticate users using

WhatsApp authentication API

Discover our WhatsApp OTP Verification API for seamless user authentication. 

Trusted By Over 225,000 Businesses

A Perfect Fit for Digital-First Businesses

With 2 billion+ users, WhatsApp offers secure, reliable, and cost-effective authentication for Digital-first businesses like D2C, e-commerce, EdTech, delivery apps, entertainment, FinTech, and travel businesses, ensuring high OTP delivery rates, minimal friction, and a seamless customer journey.

The Benefits of Choosing WhatsApp API for OTPs

Robust Security:
  • End-to-end encryption: WhatsApp’s robust encryption safeguards your OTPs from interception, ensuring they reach only the intended recipient
  • Verified accounts: A blue checkmark signifies a verified WhatsApp business account, boosting trust and credibility
Cost-Effective and Efficient:
  • Competitive pricing: Economical than traditional channels, especially considering potential regulatory costs
  • Faster setup: Quick and easy setup with WhatsApp Business Manager, no lengthy regulatory approvals needed
Global Reach and User Engagement
  • Massive user base: Reach over 2 billion users worldwide with a single platform
  • Versatile channel: Beyond OTP delivery, WhatsApp’s interactive features enable businesses to engage with customers through customer support and promotional messages
Ease of Use:
  • Easy integration: If you’re already using WhatsApp Business API, adding OTP templates is a breeze
  • Enhanced User Experience: WhatsApp’s familiar interface streamlines verification, reducing friction and boosting satisfaction. Users can receive and verify OTPs in a single app, providing a seamless CX

WhatsApp Business OTP Use Cases

Discover how WhatsApp One-Time Passwords (OTPs) can enhance customer security and user experience. Explore these key use cases for WhatsApp OTP implementation:
  • Customer Identification: Verify customer identity for secure new user registrations, account access, and service delivery.
  • Account Security: Protect user accounts with two-factor authentication and secure password resets.
  • Payment Verification: Confirm financial transactions and safeguard sensitive payment information.
  • Password Reset/Recovery: Enable secure password recovery through OTP-based verification.
  • Order Verification: Authenticate order details and prevent fraudulent purchases.
  • Appointment/Booking Confirmation: Verify appointments and reservations, reducing no-shows.
  • Loyalty Program Verification: Validate customer loyalty status for rewards and benefits.

Getting started with WhatsApp OTP is easy

Set Up WhatsApp Business Account:

Set up a Meta Business Manager account and register for a WhatsApp Business account with a dedicated number. 

Get WhatsApp Business API Access:

Obtain WhatsApp Business API access, verify details, and integrate with systems. Partner with an official WhatsApp BSP, like Textlocal, for a streamlined setup.

Create WhatsApp OTP Templates:

Create clear, concise WhatsApp OTP templates following WhatsApp guidelines.

Send WhatsApp Authentication OTPs:

Start send WhatsApp OTPs via WhatsApp business platform while adhering to Meta’s policies and regulations.

Create a Textlocal account

Signup for a free account here.

Get a free API key

Log in and go to Settings > All documentation to get your free API key.

Integrate your application

Refer our documentation to easily integrate your application. You can use 10 free credits to send test SMS via API. Simply buy more credits to continue sending SMS. See Pricing.

Convert account to transactional (optional)

Your Textlocal account is promotional by default. Convert it to a service SMS or transactional SMS route by simply sending an email to support@textlocal.in.

Start sending OTP using WhatsApp!

Enhance security, improve customer experience, and boost trust with WhatsApp authentication.

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Get started

Start building with our WhatsApp Business API today!

WhatsApp OTP | Frequently Asked Questions

What is a WhatsApp OTP?
A WhatsApp OTP is a unique, time-limited code sent to a user’s WhatsApp for verification purposes.

How do WhatsApp OTPs work?
Businesses integrate WhatsApp API to send OTPs. Users receive the OTP on their WhatsApp and input it for verification.

Is WhatsApp OTP secure?
Yes, WhatsApp uses end-to-end encryption, making OTP transmission secure.

How long do WhatsApp OTPs typically last?
WhatsApp OTPs usually have a short expiration time for security reasons, often ranging from a few minutes to an hour.

Can WhatsApp OTPs be sent internationally?
Yes, WhatsApp OTPs can be sent to users worldwide, provided they have an active internet connection and a WhatsApp account.

How do WhatsApp OTPs enhance security?
WhatsApp OTPs add an extra layer of security by verifying a user’s identity before granting access to sensitive information or completing transactions.

Can WhatsApp OTP messages be customized?
In many cases, OTP messages can be customized to include business information or branding elements.

What should I do if there’s an issue with a WhatsApp OTP?
If you encounter problems with WhatsApp OTPs, contact our WhatsApp WhatsApp expert team for assistance or email us at support@textlocal.in.