> For the complete documentation index, see [llms.txt](https://docs.ownchat.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ownchat.app/how-to-run-campaign-inside-ownchat/whatsapp-templates/authentication-otp-templates.md).

# Authentication (OTP) Templates

The Authentication Template is used to send secure messages such as OTPs (One-Time Passwords) for user verification. This template ensures safe and time-bound communication for login, verification, and transaction authentication.

{% embed url="<https://app.supademo.com/demo/cml944fam0xbnvhwzoqf7rovu?utm_source=link>" %}

### Create a New Template &#x20;

**Steps:**  <br>

{% embed url="<https://app.supademo.com/demo/cmoi3r8lw00l9x70jkti66o9l?utm_source=link>" %}

1. Enter a name in the **Name** field for your template
2. Configure the required authentication settings

### Time To Live (TTL) &#x20;

The **Time To Live (TTL)** defines how long the authentication message remains valid.

{% embed url="<https://app.supademo.com/demo/cmoi3sd1100a72m0jj4eiy674?utm_source=link>" %}

**Example:** &#x20;

* If TTL is set to **3 hours**:
* Delivered if the user opens within 3 hours
* Not delivered if opened after 3 hours

### Select Template Configuration &#x20;

#### Category  <br>

{% embed url="<https://app.supademo.com/demo/cmoi3teqz00ae2m0j1tdajfff?utm_source=link>" %}

1. Click on **Category**
2. Select **Authentication**

This ensures the template is used for secure verification purposes.

### Enable Security Recommendation  <br>

{% embed url="<https://app.supademo.com/demo/cmoi3uie700ag2m0jlebot6p9?utm_source=link>" %}

* Toggle **Security Recommendation** to add an extra layer of protection
* This helps improve the reliability and compliance of authentication messages

### Set Code Expiration  <br>

{% embed url="<https://app.supademo.com/demo/cmoi3wa9b00au2m0j1nmmmkfq?utm_source=link>" %}

* Enter the **code expiration time (in minutes)**
* This defines how long the OTP or verification code remains valid

Example: &#x20;

* If set to **5 minutes**, the OTP expires after 5 minutes

### Save Template &#x20;

**Steps:** &#x20;

1. Click **Create**<br>

{% embed url="<https://app.supademo.com/demo/cmoi44yrt00m2x70j9hcpteaw?utm_source=link>" %}

2. The template will be saved and submitted for approval

### Filter Templates &#x20;

You can easily locate authentication templates using filters.

Steps: &#x20;

1. Click the **Status Dropdown** to filter by approval status
2. Select **Authentication** from the **Category Filter**

{% embed url="<https://app.supademo.com/demo/cmoi465ls0005yd0j7he0i8ft?utm_source=link>" %}

### View Template Details &#x20;

**Steps:** &#x20;

1. Select the **OTP Verification Code** template

{% embed url="<https://app.supademo.com/demo/cmoi479hg00m4x70jjrijeutp?utm_source=link>" %}

2. View complete template details

### Preview Template &#x20;

* Access the **Template Preview** to see how the authentication message will appear to users<br>

{% embed url="<https://app.supademo.com/demo/cmoi48osm00bp2m0ja062g9an?utm_source=link>" %}

### Summary &#x20;

The Authentication Template helps you:

* Send secure OTP and verification messages
* Configure expiration for time-sensitive codes
* Enhance security using recommended settings
* Filter and manage authentication templates efficiently

Preview the final verification message before sending