What is SMS OTP?
An SMS OTP (one-time password) is a secure authorisation method where a numeric or alphanumeric code is sent to a mobile number. This password is an added layer of security used to verify a user’s identity when logging in online or confirming an action.
More than just an authentication method
Implementing an SMS OTP on your website, software or app will add another level to your security, substantially decreasing the vulnerability of your customer’s data and information.
Providing your customers with the option to use an SMS one-time password shows that your business takes their data security seriously.
No logins for a while? No worries. Pay only for the SMS that you send. As your SMS grow in volume, your SMS rates reduce. View our wholesale SMS pricing here.
Our SMS gateway is built to deliver large volumes of messages in a timely manner. Talk to one of our SMS specialists today to learn more about enterprise SMS OTP services.
First time implementing an SMS OTP system? Talk to one of our integration specialists. Or, if you're confident in building yourself, check out our OTP API documentation for in-depth integration information.
An SMS OTP is much more secure than an email OTP. If a potential hacker has email and password information for the login of an online platform or app, they likely have access to the connected email address as well.
Reduce the steps in the already simplified SMS OTP process by enabling a Retriever API. This will allow your mobile app to automatically copy and paste the token code once received by the mobile. Read more about the OTP SMS Retriever here.
The added layer of security offered by an SMS OTP can push your business towards, or extend, your level of GDPR compliance. Implementing an SMS OTP process illustrates how seriously you take the protection of your customer’s data.
Test our OTP Sender and Validator for Free
Open your free SMSGlobal account and test our OTP API
Extra security for data protection and online safety
Why implement SMS OTP
When someone shares their personal and sensitive information with your business, they expect you to protect this data from possible hackers. Two-factor authentication adds an extra layer of security to the login procedure, drastically improving the security of a website, application or software.
- Australian-based servers and data centre
- Premium SMS messaging routes
- Bulletproof security and GDPR compliance
- Enterprise scalability with easy API configuration
Customise SMS OTP Messages
Send custom OTP codes with high throughput
Craft your OTP message to compliance perfection. OTP customisation features ensure your recipients know where the message is coming from and allow you to determine the safety parameters for your 2FA.
- Curate OTP message content with {*code*} placeholder
- Determine code length from 4 to 10 digits
- Set code expiry time between 60 to 600 seconds
- Custom Sender ID for origin address
Send and Validate with SMS OTP Codes
Integrate our powerful SMS OTP API into your software
Using SMSGlobal’s REST API, you can easily integrate OTP into existing systems. Our robust integration includes customisation, code validation, and specific expiry times.
- Set message expiry time for when a code becomes invalid or expires
- The latest code is the only valid OTP per destination number per API key
- Validate or cancel OTP requests when necessary
Software Developer Kits for SMS One-Time-Password
Build your own SMS OTP solution with SDKs
Utilise our SDKs to integrate a strong SMS OTP solution into your systems. With Unicode and other languages supported, simply navigate REST API documentation with ease.
This SDK library supports .NET applications written in C#, VB.Net, and F# that utilise .NET Standard 2.1 enabling SMS and opt out capabilities.
This ready-to-use PHP Client library for SMSGlobal’s REST API allows developers to integrate SMS functionality into PHP applications.
SMSGlobal’s Node library provides convenient and secure usage of SMSGlobal’s REST API for your node application.
How to generate and validate OTP
Step 01
User requests OTP online which is generated by the API.
Step 02
Sent via SMS, the user then enters the passcode online.
Step 03
SMSGlobal OTP API verifies the code and determines access.
How the OTP API works
Simple triggering and guaranteed delivery
Start the simple implementation of an OTP security measure into any software stack today. With personal data security on the forefront of everyone's mind, every login process requires an efficient OTP system to increase the protection of customers data.
Our various SMS API connections allow for triggering of one time passwords from any application or software stack.
Robust System Architecture
SMSGlobal employs a distributed architecture with no single point of failure, backed by 99.99% service availability SLA's. This ensures that OTPs are always delivered to your software users. For added flexibility, you can even customize the OTP to be sent at a specific time.
The architecture's real-time design delivers consistent millisecond response latency with the ability to service tens of thousands of transactions per second. Multiple load balancing, coupled with the ability to add nodes to a running cluster with zero downtime enables almost unlimited scalability to handle thousands of OTP requests 24/7.
The benefits of SMS OTP have been realised in the most demanding environments, across a diverse range of industry verticals including healthcare, finance and hospitality.
Build Support
Create the ultimate integration for your software and applications by viewing our extensive API documentation.
Using our Github account you can access the latest updates for integrations, snippets and patches. Our development team are continually updating this channel to give users constant and dedicated support.
For any application SMS integration assistance, speak to one of our many technical SMS specialists anytime, any day.