Getting Started with WhatsApp Business API
Understand business verification, number setup, message templates, webhooks and API integration.
Read article →HELP CENTER TOPIC
SMS & WhatsApp
Bulk SMS, OTP, WhatsApp API, campaigns, sender setup and delivery.
SMS & WhatsApp Articles
Choose an article to view the complete instructions and troubleshooting steps.
Bulk SMS: How to Plan and Send a Campaign
Prepare a targeted SMS campaign, verify your audience and review delivery reports.
Read article →Promotional SMS vs Transactional SMS: What Is the Difference?
Understand use cases, audience expectations and why message classification matters.
Read article →OTP SMS Setup and Delivery Troubleshooting
Set up one-time passcode messages and diagnose missing or delayed OTPs.
Read article →Transactional SMS for Order Alerts and Account Notifications
Plan timely order, payment and account notifications with clear status messages.
Read article →SIM Base SMS: Setup, Requirements and Limitations
Understand SIM-based messaging, hardware/software needs and operator requirements before deployment.
Read article →How to Plan a Responsible Bulk Email Campaign
Organise an email campaign with relevant content, list hygiene, deliverability and unsubscribe handling.
Read article →How to Plan a Bulk WhatsApp Campaign
Prepare a permission-based WhatsApp campaign with approved content and a clear response path.
Read article →
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