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Send SMS OTP using Multi-channel SMS API designed for high volume and timely delivery of OTPs.
In order to generate an OTP, our platform handles all the back-end logic each time. A variable Unique OTP code is associated with a particular user.
A two-factor authentication method adds another layer of security to user accounts. It provides an extra security precaution after the username and password.
Business transactions are part of day-to-day operations. Ensure that your customers are protected from financial fraud by validating all transactions using OTP.
Logging into a user account requires a username and password. Logging in with a user name and OTP makes the process safe, secure, and swift.
Permit your customers' access to portals they have been unable to access due to lost or forgotten passwords or changed emails or phone numbers in a safe and secure manner.
Restarting a customer's service if they deactivate or have a gap in service should be smooth. Through an OTP verification step, you can get the right customers back to doing business with you.
Allow your prospects to enter their mobile number into your website for direct login. OTP SMS plays secure access to websites, such as net banking or communities.
DEVELOPER GUIDE
Access Authkey building blocks and start using OTP to add value to your communication.
<?php
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => "https://api.authkey.io/request?authkey=AUTHKEY&mobile=RecepientMobile&
country_code=CountryCode&voice=Hello%2C%20your%20OTP%20is%201234",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET"
));
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
Authkey OTP platform providing you a single robust API that works on a multichannel delivery model.
Make minor parameter change in SMS OTP API for parallel sending using all channel i.e. SMS, Voice & Email.
Channel Can Fail, Communication Shouldn't. You can enable fallback feature in case of SMS OTP. If OTP doesn't get deliver, an automated voice/email will be triggered with the same API.
Easily send your SMS OTP without a limit per second. Authkey.io is not bound with a sending limit. Your inbound and outbound capacity is handled without a stop.
Get insights into detailed analytics about each OTP for its delivery, failed & latency report. Every detail of every OTP.
Deliver an exceptional quality experience to your customers. Our highly secure platform has high uptime and redundant setup with 24x7 support.
The SMS API allows developers to easily create and manage outbound OTP around the globe.
You can easily set up an API into software that provides a great deal of flexibility and control.
Choose API code language that your application is composed of can be any of PHP, Python, Java, Javascript, Powershell, C#, NodeJS, Ruby, Swift, GO, etc.
Regardless of one or million SMS you send, our infrastructure will ensure you that they deliver on time.
Utilization based pricing enables you to get discounted pricing from the beginning while only paying for what you use.
We connect your messaging flow directly over 220+ carriers in 200+ countries for international delivery that is best in class.
We align you with the support and developer team. We ensure that your Authkey.io experience is smooth and successful.