When it comes to data security, no company is immune. No matter how big or small your company is, it's a matter of when, not if, you'll be exposed to a breach. And once hackers have access to your system, they can do all kinds of things—like steal customer information or change account settings.

So what how can YOU protect YOUR business? The answer is simple: add SMS OTP API to your system. SMS OTP allows you to send an OTP (one-time password) via text message after a user has logged in with their credentials and has been validated by the server. This means that even if someone else gets into your system somehow, they won't be able to access any of your data without knowing the OTP.

Why does my business need OTP SMS API?

Imagine that your business gets hacked. That's not a rare occurrence, by the way. According to a report by Hiscox, 48% of businesses have suffered a security breach in the last year, with an average cost per attack of $17,000!

It is estimated that 70% of data breaches in the EMEA countries (Europe, Middle East and Africa) are caused by stolen passwords. Beside financial costs connected to the attack, your business' reputation could take a hit.

This is why the implementation of the SMS OTP API is so important.

While you might not be a bank or an extremely large business, it doesn’t mean that you shouldn’t take measures to protect your data. In fact, if you have sensitive information on your website and are worried about hacking attempts, then SMS OTP API is the best way forward. It protects your business from fraud, hacking attempts and other data leaks.

An OTP API provides two-factor authentication so that only those who provide both their password and a one-time code sent through SMS can access an account. This means that even if someone has stolen your password, they still won't be able to log into your account because they don't know the one-time code!

That makes it much harder for hackers and fraudsters trying to gain unauthorized access into your customer accounts. Or worse, into accounts with privileged access to organizational systems and networks where they could damage your business even more!

What does SMS OTP look like?

If you're not familiar with OTP, it's a one-time password that is sent as an SMS to your phone. This OTP is valid for a short time – usually 30 to 60 seconds - and can only be used once.

One of the great advantages of this solution is that it removes the need for tokens: no one needs to keep track of a physical token, because the OTP arrives automatically on your mobile phone screen in form of notification SMS.

Because it's only valid for a short period of time, it makes it much harder for hackers to use stolen credentials in order to gain access to sensitive data like credit card numbers or other information.

How is an OTP code different from the other factors?

It's important to understand the difference between OTP and other factors such as passwords or PINs.

A password or PIN is a static code that can be used multiple times by the same user. On the other hand, an OTP is a one-time use code that changes every 30 to 60 seconds and is unique for each user.

So even if someone gets hold of an expired one-time use OTP they would not be able to access your account using that code.

The most common way of receiving this kind of verification is through SMS, chat apps or voice calls, which means users aren't required to memorize anything at all—they simply need to have their phone nearby when they're trying to log in.

How does SMS API for OTP work?

An OTP API is designed to authenticate the user of your website or application. It allows you to send the one-time codes to your customers when they sign up for a new account, or buy something from you.

Once integrated with your system, users are sent OTPs via SMS or chat apps—even simultaneously. When the user receives one of these codes, they enter it in order to verify their identity on your website/app.

This means that if you want your customers to receive an SMS OTP, it can be sent securely and verifiably using the API-powered SMS gateway, such as BulkGate.

If you want your customers to receive an OTP via chat apps such as Viber, WhatsApp or Telegram, then the API can also support these channels as well.

This means that even if one app is blocked by your customer's mobile carrier - like WhatsApp recently in India - you'll be able to securely deliver one-time passwords through another channel.

What are the major benefits of OTP API?

There are many benefits of using an OTP API, especially when sending OTPs via SMS.

It's more secure than a username and password, for one thing. The advantage is that if someone gains access to your password, they won't be able to obtain further information or perform fraudulent activities because they don't have the access to the one-time password. They need both pieces of data.

The API is designed to be fast, so the user receives the code immediately. This is especially important because users need to get their access code quickly. So SMS delivery is preferred before voice calls, which are slower and less reliable than text messages.

The code expires after it has been used or a short time period so you can't just keep re-using old ones for years like some people do with passwords!

Finally, OTP can be used for more than just login; it can also be used to:

  • verify purchases and payments made online with credit cards or debit cards (or even PayPal),
  • resetting forgotten passwords,
  • account recovery,
  • two-factor authentication,
  • and others

This makes things much safer for both consumers and your business alike!

Does using SMS OTP mean that my business is secure?

SMS OTP is an excellent way to add an extra layer of security to your business. When used correctly, it can help prevent account takeover and fraud.

However, OTP is not a replacement for passwords. If someone has access to your phone number and you don't have two-factor authentication enabled, they will have access to your account as they have access to the only authentication method you use.

With that said, if you're concerned about security and want to take extra precautions against hacker attacks—especially if your business involves sensitive information like banking credentials or health records—sending OTP via SMS (which is one of the most secure ways) may be the right choice for you!

SMS API for OTP makes your business look more trustworthy and reliable

You’re still here? The previous points about the OTP SMS API are great, but this is the point that really matters.

Your customers want a business they can trust and that is secure. If a customer is using a a product or service, then they want to feel confident that their data is going to be protected. That’s what makes it so important for businesses who want to win loyal customers over time while increasing their own value as well.

OTP API will definitely make your business look more secure, trustworthy and reliable. And that is how you get those loyal customers.


So, you’ve decided to work with SMS API for sending OTPs. This is a great step towards ensuring data security and avoiding unnecessary costs caused by human error. Setting it up doesn’t have be complicated or take a lot of time if you know what you are doing. With this guide we make things easier for those who want to simplify their lives by automating processes within their business or personal life.