SMS Authentication

Send secure logins or TAN codes by SMS

Test for free


More and more companies are opting for additional security of a network by using Two-Factor-Authentication (2FA). Send a secure and reliable One-Time-Password via SMS for additional security when logging into your network.

The confirmation code for the registration: 708111. This code is only valid for 15 minutes. The Bank



SMS Authentication specialist

We are your partner in providing passwords, login and authentication codes by SMS, enabling fast and reliable authentication to take place.

icon-arrowsWe are connected to SafeNet, Gemalto, RSA, SMS Passcode, Sonic Wall, Secure Envoy and F5.

icon-conversationIt is possible to test our service free of charge within a couple of minutes, or to start using it directly.

icon-informBanks, municipalities and hospitals choose Spryng for the quality of our routes and our service.

Want to know more about the possibilities? Call us


Quickest, reliable delivery

Spryng has specific One Time Password routes, in which we don’t use bulk SMS. This is purely designed for direct delivery of authentication by SMS within seconds.

Today 15:30
Your login code for authentication is 5542343. By filling this in, you may directly log in.

Secure your system with extra authentication

90% of the passwords are vulnerable to hackers. The use of inadequate passwords leads to a global loss of billions of pounds, especially in the financial world. Our SMS services provide immediate additional security and cost savings.

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Begin directly, it’s straightforward.

We have standard implementations in all large authentication systems.

icon-step-oneYour customers enter their phone number when they want to log in.


A unique code will be sent by SMS message to your customers.


Your customers enter the authentication code and login.


No start-up costs, no monthly fees. Only pay for what you send, simply via credit card.

Calculate your tariff

Prices shown apply to SMS traffic within the United Kingdom.

If it concerns SMS traffic outside the United Kingdom, please contact our sales team for custom pricing advice.

£ 0,00 Total excl. VAT

Easy to integrate

Our SMS API can be connected to your own 2FA systems. Our Development section includes sample scripts to enable immediate setup.


$spryng = new Client('username', 'password');
$spryng->sms->send('44712345678', 'This is a test message', array(
  'sender'    => 'My company',
  'route'     => 'Business',
  'allowlong' => false