Messaging APIs and developer tools for SMS, OTP, SMPP, WhatsApp Business API, voice messaging, and business integrations. We publish technical guides, code examples, and tutorials to help developers build reliable messaging solutions.
SMS Gateway Center is operated by Popular SoftTech and Marketing Private Limited, an Indian technology company established in 2013.
We help businesses integrate SMS, OTP, SMPP, WhatsApp Business API, and voice messaging into their applications. We share practical developer tutorials, API integration guides, code examples, and insights on messaging infrastructure, API security, and DLT compliance in India.
Our stack
We work with messaging APIs, SMPP connectivity, REST APIs, webhooks, and business messaging integrations.
Our focus areas include:
• SMS and OTP APIs
• SMPP protocol and messaging infrastructure
• REST API integration and webhooks
• WhatsApp Business API
• PHP SDKs and code examples
• WordPress, Shopify, and CRM integrations
• DLT compliance and SMS template management
• API authentication and security