How to Send Bulk WhatsApp Messages in 2025 + 15 Best Tools to Use

Introduction

In 2025, WhatsApp continues to dominate communication for both personal and business use. Businesses now rely on bulk WhatsApp messaging to promote offers, engage customers, and boost conversions.

Whether you’re a startup or a growing enterprise, knowing how to send bulk WhatsApp messages and choosing the right software—like Whatsboost—is crucial to successful campaigns.

In this guide, you’ll learn how to send bulk messages on WhatsApp and discover the top 15 bulk WhatsApp messaging tools in 2025.

What is Bulk WhatsApp Messaging?

Bulk WhatsApp Messaging refers to sending a single message to many WhatsApp users at once. It’s used for:

• Product launches
  
  

• Customer updates
  
  

• Promotions and deals
  
  

• Surveys and feedback
  
  

• Reminders and notifications
  
  

How to Send Bulk WhatsApp Messages in 2025

Here’s how to send bulk WhatsApp messages step-by-step:

• Step 1: Register for WhatsApp Business API
  
  

• Apply through Meta’s Business Manager.
  
  

• You’ll need verification and approval.
  
  

• Step 2: Choose a Bulk Messaging Tool (e.g., Whatsboost)
  
  

• Choose a platform that integrates with WhatsApp API.
  
  

• Whatsboost allows message automation, personalization, analytics, and bulk campaigns.
  
  

• Step 3: Import Your Contact List
  
  

• Upload your opt-in contacts in CSV or Excel format.
  
  

• Step 4: Create a Message Template
  
  

• Design rich templates (text, image, video, buttons).
  
  

• WhatsApp needs to approve these before use.
  
  

• Step 5: Launch Your Campaign
  
  

• Send messages instantly or schedule them.
  
  

• Monitor delivery and engagement via real-time analytics.
  
  

Important Note: WhatsApp’s policy restricts spam. Only send messages to users who have opted in.

Top 15 WhatsApp Bulk Message Senders in 2025

Here’s a list of the most reliable, feature-rich, and secure bulk messaging platforms this year:

• 1. Whatsboost
  
  

• Business API approved
  
  

• Chatbots, campaign tracking, automation
  
  

• Real-time delivery reports and segmentation
  
  

• Easy-to-use dashboard for large-scale messaging
  
  

• 2. WATI
  
  

• No-code automation
  
  

• Broadcast lists, CRM integration
  
  

• Shared team inbox
  
  

• 3. Zoko
  
  

• Unified customer interaction
  
  

• Seamless Shopify integration
  
  

• Payment and sales analytics
  
  

• 4. AiSensy
  
  

• Drag-and-drop campaign builder
  
  

• Broadcast messages with media
  
  

• Real-time analytics
  
  

• 5. Interakt
  
  

• WhatsApp CRM, chatbot support
  
  

• Shopify and WooCommerce integration
  
  

• Campaign tagging & automation
  
  

• 6. Vepaar
  
  

• Sell directly on WhatsApp
  
  

• Storefront + CRM + broadcasting
  
  

• Multi-agent support
  
  

• 7. Trengo
  
  

• Omnichannel dashboard
  
  

• Team collaboration
  
  

• Supports WhatsApp, email, Instagram
  
  

• 8. DelightChat
  
  

• For D2C brands
  
  

• Bulk messaging with product links
  
  

• Easy Shopify connection
  
  

• 9. Gallabox
  
  

• Flow builder for lead qualification
  
  

• API integrations for lead nurturing
  
  

• Built-in customer support features
  
  

• 10. SendChamp
  
  

• Multi-channel messaging: WhatsApp, SMS, Email
  
  

• Developer-friendly API
  
  

• Scalable for small to large teams
  
  

• 11. Picky Assist
  
  

• Connect WhatsApp to over 1000+ apps
  
  

• Smart reply automation
  
  

• Bulk SMS + WhatsApp
  
  

• 12. Respond.io
  
  

• Centralized messaging for all platforms
  
  

• Automation workflows
  
  

• CRM + analytics dashboard
  
  

• 13. WhatSender
  
  

• Basic bulk messaging desktop software
  
  

• Send text, images, documents
  
  

• Affordable for small businesses
  
  

• 14. Netcore Cloud (formerly Quinto)
  
  

• Enterprise-scale automation
  
  

• Personalization engine
  
  

• Omnichannel orchestration
  
  

• 15. WA.Team
  
  

• Chatbot and team collaboration
  
  

• Unlimited broadcasting
  
  

• Template approval assistance
  
  

Benefits of Using Whatsboost for Bulk Messaging

• 100% Official API Approved
  
  

• Automate responses and lead qualification
  
  

• Send unlimited messages with ease
  
  

• Upload contacts, personalize templates, and go live
  
  

• Gain insights into message delivery, clicks, and conversions
  
  

Best Practices for Bulk WhatsApp Campaigns

• Get User Consent
  
  

• Only message users who’ve opted in.
  
  

• Use Pre-Approved Templates
  
  

• Avoid rejection and ensure faster delivery.
  
  

• Avoid Spamming
  
  

• Too many messages can lead to being blocked.
  
  

• Track Analytics
  
  

• Optimize based on delivery and click rates.
  
  

• Personalize Messages
  
  

• Use name, order ID, or custom tags for better engagement.
  
  

• Send During Peak Times
  
  

• Schedule your messages when users are most active.
  
  

Limitations of Using Free WhatsApp Tools

• No access to Business API
  
  

• Limited daily messaging
  
  

• Risk of number ban
  
  

• No automation, reporting, or segmentation
  
  

Free tools can help you get started, but for serious marketing campaigns, tools like Whatsboost offer the reliability and features needed.

Conclusion

Sending bulk WhatsApp messages is one of the most effective strategies in 2025 for brand communication, customer engagement, and lead conversion.

By choosing the right bulk messaging software like Whatsboost and following best practices, you can scale your outreach and build long-term customer relationships.

Start with a tool that fits your business size, goals, and budget—and watch your WhatsApp marketing strategy thrive!

FAQs

• Q: Is bulk WhatsApp messaging legal?
  
  

• Yes, if users have opted in and messages follow WhatsApp's policies.
  
  

• Q: Can I use WhatsApp Business App for bulk messaging?
  
  

• No. For large-scale campaigns, WhatsApp Business API tools like Whatsboost are required.
  
  

• Q: How many messages can I send with Whatsboost?
  
  

• Unlimited messages, depending on your approved messaging tier.
  
  

• Q: Can I track responses from bulk messages?
  
  

• Yes, Whatsboost offers real-time campaign analytics.
  
  

• Q: Will my number get banned for bulk messaging?
  
  

• Not if you use official tools like Whatsboost and send messages to opted-in users only.