How to setup SMS Gateway in the OTP Verification plugin for WordPress?

1. Basic Authorization

Basic authorization grants access to a system or resource based on user-provided credentials, usually a username and password sent via HTTP headers. The server verifies these credentials against an authorized user list. Access is granted if the credentials match; otherwise, it's denied.

• Navigate to the OTP Verification plugin from the left side menu.
• Go to the Gateway Settings tab and select SMS gateway request type as Basic Authorization from the dropdown.

• All the necessary details for configuring the Basic Authorization gateway type are accessible from the dashboard of the gateway you use.
• Enter the Gateway URL, Username, Password, and Post parameters in the gateway settings.

Note: Replace message and phone parameters in your SMS Gateway URL with ##message## and ##phone## respectively.



• Then click on the Save Settings button.

• You have successfully configured the Basic Authorization SMS gateway request type.
• Click here to check how to test the gateway configuration.

2. Gateway URL

A gateway URL is a request type used to access external services or resources through a designated endpoint. When a client sends a request to this URL, it triggers communication with the gateway server. This server processes the request and facilitates the exchange of information between the client and the external service.

• Navigate to the OTP Verification plugin from the left side menu.
• Go to the Gateway Settings tab and select SMS Gateway Request type as Gateway URL from the dropdown.

• Select the POST or GET method based on your gateway type.
• All the necessary details for configuring the gateway are accessible from the dashboard of the gateway you use.
• Enter the gateway URL of your gateway in the Gateway Settings tab.

Note: Replace message and phone parameters in your SMS Gateway URL with ##message## and ##phone## respectively.



• Then click on the Save Settings button.

• You have successfully configured the Gateway URL SMS gateway request type.
• Click here to check how to test the gateway configuration.

3. Post Request

Post-request Gateway Type indicates that the authentication process is initiated after the client sends a POST request to the designated Gateway URL.

• Navigate to the OTP Verification plugin from the left side menu.
• Go to the Gateway Settings tab and select SMS Gateway Request type as Post Request from the dropdown.

• All the necessary details for configuring the Post Request gateway type are accessible from the dashboard of the gateway you use.
• Please copy the Gateway URL and Gateway Parameters from the gateway dashboard.
• Navigate to the Gateway Settings tab within the OTP Verification plugin and input these details accordingly.

Note: Replace message and phone parameters in your SMS Gateway URL with ##message## and ##phone## respectively.



• Then click on the Save Settings button.

• You have successfully configured the Gateway URL SMS gateway request type.
• Click here to check how to test the gateway configuration.

4. Twilio Gateway

The Twilio SMS Gateway is a service that lets businesses send and receive text messages using Twilio's API. It helps automate sending notifications, alerts, marketing messages, and verification codes to customers' phones worldwide.

• Click here to configure your Twilio SMS Gateway.

5. Test SMS Gateway configuration

• Enter your phone with country code and click on the Test Configuration button.
• Gateway response will confirm that the SMS/Notification is sent successfully.

• You will receive OTP on the entered phone number from the configured gateway.
• You will receive the error message based on the gateway if there are issues in the gateway setup or errors while sending the OTPs.