How to Create and Automate
Authentication WhatsApp Template Messages (Using Wavixo)

Overview

Want to authenticate users or send login/verification codes on WhatsApp?
With Wavixo, you can automate Authentication WhatsApp Template Messages such as OTPs and verification codes at a lower cost than SMS.
Authentication templates are:

Secure

Fast

User-friendly

Ideal for login verification, account access, and sensitive actions

This guide explains how to create authentication templates and automate them using API campaigns in Wavixo.

Step 1: Go to Template Messages

1. Log in to your Wavixo Dashboard 2. Navigate to Manage → Template Message 3. Click “+ New” to create a new template

Step 2: Select Template Category

Choose Authentication as the template category.
WhatsApp Template Categories

Utility – Transaction confirmations & updates

Authentication – OTPs & login verification codes

Marketing – Promotional or engagement messages

Since OTPs fall under user verification, Authentication must be selected.

Step 3: Select Template Type

Under Template Type, choose Text.
Authentication templates are supported only as Text templates.

Step 4: Select Template Language

Choose one language from the available global languages

Each authentication template can be created in only one language

Step 5: Name Your Authentication Template

Template naming rules:
Lowercase letters only

Alphanumeric characters and underscores (_)

No spaces or special characters

Example:
otp_verification

Step 6: Add Sample Authentication Code

Add a sample OTP value

This is only for preview and approval

The actual OTP will be dynamically passed later

📌 This value will not be sent to real users.

Step 7: Add OTP Expiration Warning (Optional but Recommended)

You can optionally:
Set OTP validity between 1–90 minutes

Add a security disclaimer reminding users not to share the code

This improves:
User trust

Security awareness

Overall experience

Important Note About Authentication Templates

The message body is pre-configured by WhatsApp

You cannot edit the template text

Once submitted, you only need to set up automation

Step 8: Configure Interactive Action (Copy Code)

Under Interactive Actions:
Enter the same sample OTP value in “Copy Code”

This allows users to copy the OTP easily

Step 9: Submit the Template for Approval

Click Submit

Authentication templates are usually approved within:

15 seconds to 2 minutes

Maximum approval time: 24 hours

You can check the approval status using Sync Status in Template Messages.

Automation Setup for Authentication Template Messages

Once your template is approved, follow the steps below to automate it.

Step 10: Create an API Campaign

Go to Campaigns

Click + Launch

Select API Campaign

Step 11: Configure API Campaign

1. Add a Campaign Name

2. Select the approved Authentication Template

3. Set the campaign Live

📌 Make sure the template is approved before creating the campaign.

Step 12: Test the API Campaign

1. Open the campaign

2 .Click Test Campaign

3. A script (cURL) will appear

Step 13: Add Authentication Code in Script

In the test script:
Search for templateParams

Add the authentication code inside double quotes

Example:
"templateParams": ["453120"]

Step 14: Add Code in Button Parameters

Locate the button parameters section

1. Insert the same OTP value as a string in double quotes

2. This ensures both message body and copy button work correctly.

Step 15: Copy cURL

Click Copy cURL

Add it to your backend server

You can dynamically replace:
Username

Mobile number (destination)

OTP value

This ensures each user receives a unique OTP.

Step 16: Test with Your Own Number

Add your WhatsApp number in the test field

Trigger the API

Verify OTP delivery

Automation Is Now Live 🎉

Once the cURL is added to your backend:
Authentication OTPs will be sent automatically

Each request triggers a WhatsApp OTP instantly

Additional Notes

You can edit:

Username

Destination number

OTP dynamically via backend

For advanced automation, refer to Wavixo API Reference Docs

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