WhatsAppA WhatsApp bulk sender that won't get you banned.
Send bulk WhatsApp messages to thousands of opted-in customers through the official WhatsApp Business API — no grey-market tools, no number bans, no per-message markup.
- End-to-end encryptionData protected in transit and at rest
- GDPR readyGlobal data handling and deletion controls
- SOC 2 · ISO 27001 alignedEnterprise security practices
- 99.99% reliabilityRedundant infrastructure and monitoring
- OfficialWhatsApp Business API
- 0%Markup on Meta message fees
- CSVUpload and send in minutes
- 2-wayReplies go to your inbox
Everything included, nothing metered
Upload any contact list
Import CSV or Excel, map columns to variables and remove duplicates and invalid numbers automatically.
Personalised at scale
Insert name, order, city or any custom field so every bulk message reads like a one-to-one chat.
Ban-safe sending
Uses Meta's official Cloud API with approved templates, so your number is not blocked like unofficial senders.
Rich media
Send images, PDFs, videos, buttons and links in bulk, not just plain text.
Schedule and pace
Pick a send time per timezone and pace delivery to protect your quality rating.
Replies land in one inbox
Every reply to a bulk message opens a real conversation your team can answer.
WhatsApp Bulk Sender — questions
Is a WhatsApp bulk sender legal?+
Yes, when it uses the official WhatsApp Business API, approved templates and contacts who opted in. Unofficial bulk sender apps break WhatsApp's terms and often get numbers banned.
Will my number get banned?+
Sending through the official API with opted-in contacts and approved templates keeps you within WhatsApp's rules, which is what protects your number.
How many bulk messages can I send per day?+
Meta sets a daily limit per number that grows as your quality rating stays healthy. WallzaOS shows your current tier and paces sends to it.
Can I send bulk messages from Excel?+
Yes. Upload a CSV or Excel file, map columns to template variables and send.
What does it cost?+
You pay Meta's per-message fee directly. WallzaOS adds no per-message markup.
