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Free OTP Service to Verify Email ID

Phone.email
Phone email Admin
Phone Email App

30 May 2024 10 mins read

As use of Online Services continues to expand, safeguarding user account has never been more crucial. Traditional passwords are becoming easier targets for breaches and complex passwords are difficult to remember. To solve this issue and make logging in simpler than ever, Phone Email has come up with a clear solution: the "Sign in with Email" button, using their EMAIL OTP VERIFICATION API. This tool boosts security with one-time password (OTP) verification and makes the login process quick and easy with the email verification method. This way, users get a seamless and secure login experience.

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Using Phone Email's "Sign in with Email" Button Brings Several Advantages:

  1. Enhanced Security: By sending OTPs to users' email addresses, this feature makes sure that only the actual owner of the email can log in.
  2. Simplified User Experience: With just one click and an OTP, users can verify email and log in without the hassle of remembering complicated passwords.
  3. No Cost: This service is free, making it an affordable solution for businesses that need secure email verification.
  4. Seamless Integration: The plugin is designed to easily integrate with various websites, requiring minimal setup effort.
  5. Real-time Verification: Email addresses are instantly verified, reducing the risk of fake or mistyped entries. The Email OTP Verification API provides immediate feedback on the verification status.
  6. Improved User Trust: Users are more likely to trust a site that offers secure and reliable login methods.

Implementing the "Sign in with Email" button is easy. Follow these steps to integrate it into your website:

Integration Steps:
  1. Get Sign in Button Code Start by logging into the Admin Dashboard. provided by Phone Email. Once you're logged in, go to the "Button settings" section to generate the "Log in with Email" button code.
  2. Add HTML and JavaScript Code: The next step is to add the necessary HTML and JavaScript code to your website. This code will display the email verification button and handle the verification process once the user’s email has been authenticated.
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    <div class="pe_verify_email" data-client-id="YOUR_CLIENT_ID"> <script src="https://www.phone.email/verify_email_v1.js" async> </script> </div>
    <script>
        function phoneEmailReceiver(userObj){
            var user_json_url = userObj.user_json_url;
            var user_email_id = userObj.user_email_id;
    
            alert('SUCCESS !!\nYour email id '+user_email_id+' has been authenticated.');
            // You can submit your form here or redirect user to post login dashboard page
            // Send user_json_url to your backend to retrieve user info (i.e. email id) from this URL.
        } </script> 
  3. Get Verified Email ID (Backend) For enhanced security, you need to implement this step in your application's backend. The user_json_url (Example - https://user.phone.email/user_abcxd123fgbfg43454.json) provided in the phoneEmailReceiver JavaScript function contains the necessary data.
    You can read the authenticated email ID from the JSON URL using any backend technology like PHP, Python, Node.js, Java, etc. Here is an example using PHP to get the email from user_json_url.
    <?php
    // Assuming $user_json_url contains the URL path
    $json_data = file_get_contents($user_json_url);
    $data = json_decode($json_data, true);
    
    $user_email_id = $data['user_email_id'];
    
    // Now you can use $user_email_id as needed
    ?>

FAQs

What is an OTP or passcode?

An OTP (One-Time Password) or passcode is a unique code generated and sent to users for authentication. These codes are usually sent to a user's email or mobile device and are valid for only one login session or transaction. This enhances security by ensuring that only the person with access to the registered email or phone number can complete the authentication process using send otp API. Using OTPs helps prevent unauthorized access and is a crucial component of multi-factor authentication systems.

What is Email Authentication?

Email authentication is the process of verifying that an email address is valid and belongs to the person trying to log in or perform a secure transaction. This often involves sending a verification link or an OTP to the user’s email address, which they must use to confirm their identity. This method ensures that only the rightful owner of the email can proceed, adding an extra layer of security.

How Does "Sign in with Email" Work?

The "Sign in with Email" button functions by embedding a verification button on a client’s website. Here’s a step-by-step breakdown of the process:

  1. User Clicks the Button: When a user clicks the "Sign in with Email" button, a popup window appears.
  2. OTP Entry: The popup prompts the user to enter an OTP that has been sent to their email.
  3. OTP Verification: Once the user enters the OTP, it is verified.
  4. Redirection: After successful verification, the user is redirected back to the client’s website.
  5. Email Confirmation: The user’s email ID is confirmed via a JSON URL, completing the authentication process.

This process ensures secure and straightforward email authentication for users.

How Does Email OTP Verification Work?

Email OTP verification involves sending a unique, time-sensitive code to a user’s email address. Here’s how it works:

  1. Send OTP: When a user initiates a login or secure action, a one-time password (OTP) is generated and sent to their email.
  2. User Enters OTP: The user receives the OTP and enters it into the verification prompt on the website or app.
  3. Verify OTP: The system checks the entered OTP to ensure it matches the one sent to the email.
  4. Confirm Identity: If the OTP is correct, the user’s identity is confirmed, allowing them to proceed with the login or action.

This method ensures that the person attempting to log in or perform a secure action is the actual owner of the email address, enhancing security and preventing unauthorized access.

Phone Email’s "Sign in with Email" button offers a robust, secure, and user-friendly solution for OTP verification. By integrating this free service, businesses can significantly enhance their security measures, streamline user authentication, and build trust with their users. Whether you're a developer looking to implement a secure login system or a business aiming to verify customer emails effortlessly, the "Sign in with Email" button is an invaluable tool.

For more information and detailed documentation, visit the Phone Email Admin Dashboard and read the docs.

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