logo fazpass
Home » Blog » Authentication » Email OTP vs Email Verification: What's the Difference?

Email OTP vs Email Verification: What's the Difference?

Discover the difference between email OTP (one-time password) and email verification, and learn how each method enhances user authentication and access.
by Rista Fathika
January 15, 2024
Email OTP vs Email Verification: What's the Difference?

As we increasingly rely on digital transactions, ensuring online security is more important than ever. Two commonly used authentication methods for businesses and individuals are email OTP (One-Time Password) and email verification. While both methods aim to provide secure authentication, their approach and implementation differ.

This article will dive into the key differences between email OTP vs email verification and help you determine which method best suits your specific needs. Take your security seriously - read on to better understand these two vital authentication methods.

What is Email OTP?

Email OTP or One-Time Password, is a commonly used method of authentication that involves sending a unique, time-sensitive code to a registered email address. This code is generated by the network server's authentication manager using one-time password algorithms. It is texted to the recipient's email inbox within seconds. 

Once received, the recipient must enter the OTP on the website to gain access or complete an online transaction. This process is highly secure and time-sensitive, as each OTP is valid for a single session and expires after a given period. Email OTP is often used as a form of 2-factor authentication and is particularly useful for resetting passwords, a common need among users.

What is Email Verification?

Authenticating emails listed in a database is known as email verification. It aims to identify and eliminate invalid, incorrect, incomplete, and undeliverable email addresses, ensuring that the email list remains clean. 

To verify emails in a mailing list, the given emails are compared with those listed in reliable third-party databases, which validate that the email address is legitimate and belongs to the registered account holder. Email verification also examines the email's syntax, domain name, and completeness. Email addresses with errors, such as ian@@gmail.com or ian @gmial.com, are flagged, and the system may correct simple mistakes. 

You can configure your email verification service to remove disposable and role-based email addresses, such as sales@XXXcompany.com. Emails must be verified when added to the database and periodically while in the database because email databases degrade at 22.5% annually. 

Many people abandon their email addresses without updating their accounts, while others register an account with their corporate email address and later switch jobs, rendering their email addresses invalid.

Email OTP vs Email Verification: The Differences

Email OTP (One-Time Password) and Email Verification serve similar purposes but have critical differences in their implementation and security features. Below are the five key differences between email OTP vs email verification.:


  • Email OTP: It involves sending a one-time password to the user's email address, which they must enter within a limited time frame to verify their identity or complete a transaction. It's often used for two-factor authentication (2FA) or additional security layers.
  • Email Verification typically involves sending a verification link to the user's email address. Clicking on the link confirms the user's email address and completes the registration or account setup process.


  • Email OTP: Provides a higher level of security, mainly when used with other authentication factors. The one-time nature of the password adds an extra layer of protection against replay attacks.
  • Email Verification: While still secure, it may be considered less secure than OTP, as it relies on the user clicking a link. However, this method is often sufficient for primary user verification and account creation.

User Experience

  • Email OTP: Requires the user to enter a code manually, which can be perceived as an additional step but provides a clear and straightforward process.
  • Email Verification: This involves clicking on a link, which can be more user-friendly and easier to understand for some users. However, it may be less convenient for others who prefer entering a code.


  • Email OTP: This involves generating a unique code on the server, sending it to the user's email, and requiring the user to input the code within a specific time window.
  • Email Verification: Requires generating a unique verification link on the server, sending it to the user's email, and confirming the user once they click the link.

Use Cases

  • Email OTP: Commonly used for secure transactions, account login, or actions requiring high authentication.
  • Email Verification: Often used during the registration process to confirm the validity of the provided email address.

In essence, both Email OTP and Email Verification can be employed to determine user identity. However, selecting either method depends on several factors, such as the specific application of use, security prerequisites, and the user experience. Email OTP is generally more secure but is less user-friendly. On the other hand, Email Verification is simpler but could be less secure in some scenarios.

Securely Verify Users and Prevent Hacking with Email OTP

Securing user verification and preventing hacking is crucial for businesses in today's digital age. One reliable way to achieve this is by using Email One-Time Passwords (OTPs). When a user tries to log in or perform a sensitive action, they receive a unique OTP at their email address. This method provides an extra layer of security beyond just using a password. To complete the verification process, the user must have access to their email account.

Email OTP verification helps prevent unauthorized access. Even if a hacker manages to get hold of a user's password, they would still need the corresponding OTP to gain access. By implementing email OTP verification, businesses can significantly reduce the risk of hacking and ensure that only authorized users can access sensitive information or perform crucial actions within their systems.

This not only protects the business and its users but also enhances trust and confidence in the security measures in place.

Choose Fazpass for the Best Email OTP Service Price

Selecting the best provider or vendor for email OTP services can be a challenging task, as it involves managing complex, repetitive, and exhaustive integration processes. But, with Fazpass, you can have all these problems solved effortlessly!

Fazpass is an all-in-one OTP platform that offers the best solution for your multi-factor authentication or MFA requirements. They can help you find the most suitable email OTP providers and prices, while also ensuring reliable delivery rates with just a few clicks.

Why not try it out yourself? You can sign up for FREE and experience the ease and convenience that Fazpass offers.

Related Articles
Want to Keep Update on Fazpass Blog & Features?
For information about how Fazpass handles your personal data, please see our privacy policy.
fazpass logo
We are a Multi-Factor Authentication Solution Service Provider that helps enterprises engage with Omnichannel and Multi-Provider with just Single API Integration.
Jl. Delima I No. 10 Kav. DKI Meruya Sel., Kec. Kembangan, Kota Jakarta Barat Daerah Khusus Ibukota Jakarta 11610
ISO 27001FIDO_Alliance_Logo-1 1