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1. Sign In with your SMSto account

2. Add funds to your account

3. Go to API Key Authentication, enter a Title and generate an API Key
   

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4. Copy the generated API Key into the WP - SMS OTP Login - by SMS.to plugin - Settings - Gateway - API Key

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1. Go to WP - SMS OTP Login - by SMS.to plugin - Settings - Features - must be selected as below. The selection below

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1. is for the normal login method using username and password. You can change this to any other method.

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STEP C:

1. Go to WordPress Users - Your Profile - Add the mobile phone - Update the Profile
   

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2. Enable WP User registration so you can get the mobile phone during the time of registration

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