SMS, WhatsApp, Telegram Messaging for advertisers CRM/retention teams

[GlebSendBox]

Sendbox is a global messaging platform for advertisers and CRM/retention teams.
We send SMS, WhatsApp, and Telegram traffic worldwide with stable routes and transparent reporting.

SMS​

• Direct carrier routes + SIM routes
• Alphanumeric or numeric sender IDs
• Delivery reports
• Best for marketing/promotional traffic

WhatsApp (Bulk)​

• Sending from warmed-up numbers (no Meta account needed)
• Number validation before sending (~20% inactive filtered)
• Link tracking + click reports
• Avg DLR: 75–85%, CTR ~2%
• Button format: 2K+ minimum

Telegram​

• Bulk sends
• Click tracking
• Simple setup

Reliable routes, transparent stats, long-term cooperation.
DM for geos, volumes, and pricing