SMSLeopard SMS API

Our powerful Bulk SMS API enables you to communicate effectively with your customers. Send out large numbers of personalized SMS notifications with ease, such as alerts, OTPs, reminders, and billing reports with the fastest, most reliable, and most affordable SMS platform.

Here's an illustration of how the SMS service works

Authentication

To authenticate your requests, you need to include your API Key and API Secret in the request headers. Learn how to generate API keys and how to authenticate.