Access competitive interest rates on your digital assets.
Generate interest, borrow against your crypto, and trade a range of cryptocurrencies — all in one platform.
Geographic restrictions, eligibility, and terms apply.
Get started with Nexo.
$300 in Free Credit Towards Top Cloud Services
Build VMs, containers, AI, databases, storage—all in one place.
Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
Kalkun is an open source web-based SMS (Short Message Service) manager.
It uses Gammu SMSD (part of gammu family) as SMS gateway engine to deliver and retrieve messages from your phone/modem.
Documentation is on the wiki: https://github.com/kalkun-sms/Kalkun/wiki
Development and source code can be found on github: https://github.com/kalkun-sms/Kalkun/
Send Bulk OTP SMS in PHP using SMS Gateway Center HTTP API
You need to be registered member with https://www.smsgatewaycenter.com/ and then you can use this script to send OTP SMS to your clients and peers.
This script is just an example to send sms and validate OTP using session. But you can use it with your database to get users and send out OTP SMS to registered members and have them validated.