Whatso is the most trusted bulk WhatsApp sender for businesses in India and beyond. Upload your contacts, write your message, and blast it to thousands with images, videos, PDFs, and smart anti-ban protection. No API. No coding. No limits.
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Most businesses waste hours copying and pasting messages manually. Whatso solves every bulk messaging problem in one simple tool.
Manual copy-paste to hundreds of contacts eats hours. With Whatso, send to 10,000 in minutes automatically.
Sending too fast triggers bans. Whatso's anti-ban system uses smart delays and number rotation so you stay protected.
WhatsApp Web doesn't support bulk rich media. Whatso lets you attach images, PDFs, videos, and audio to every bulk message.
Without reporting you're flying blind. Whatso gives you real-time delivery tracking, reply counts, and campaign stats.
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Built specifically for businesses that need to reach large audiences fast without technical complexity or expensive API fees.
Send personalised messages to 10,000+ contacts in one campaign. Upload contacts from Excel or CSV, write your message once, and Whatso does the rest automatically no manual effort required.
Up to 10,000+ per campaignAttach images, product catalogues, videos, PDFs, Word documents, and audio files to any bulk message. Rich media messages get significantly higher engagement than plain text alone.
Images · Video · PDF · AudioSmart sending delays, human-like typing simulation, and automatic number rotation protect your WhatsApp accounts from restrictions. Stay safe while sending at scale.
Smart delay · Number rotationInstantly verify which numbers in your contact list are active WhatsApp users before sending. Eliminate invalid numbers, improve delivery rate, and stop wasting messages on dead contacts.
Verify before you sendLive delivery tracking, reply count, filtered contacts, and campaign-level stats all in one dashboard. Know exactly how your campaign is performing the moment it runs.
Live delivery dashboardNeed to send urgently? Switch to Turbo Mode for maximum speed. Blast thousands of messages in a fraction of the usual time perfect for flash sales, breaking news, or time-sensitive offers.
Maximum speed modeExtract contact numbers directly from any WhatsApp group you're a member of. Build targeted lists from communities you're already part of and launch campaigns within minutes.
Extract from groups instantlyAdd and manage multiple WhatsApp numbers under one Whatso account. Rotate between numbers for extra safety and scale, or manage campaigns for different branches and teams simultaneously.
Unlimited number accountsConnect Whatso with your WooCommerce store to automatically send order confirmations, shipment updates, and abandoned-cart recovery messages directly through WhatsApp no extra tools needed.
Automatic order messagesThe data speaks for itself. WhatsApp outperforms email, SMS, and every other marketing channel on every metric that matters.
Whatso is a Windows desktop software. No browser extension, no complex setup, no monthly SaaS fees per message. Download once, use forever.
Download the Whatso installer for Windows and run it. Takes under 2 minutes. Open the software and log in with your license key your account is ready instantly.
⏱ Takes 2 minutesUpload a CSV or Excel file of your contacts, paste a list directly, or extract contacts from WhatsApp groups you're already in. Run the number filter to verify active WhatsApp users.
📁 CSV, Excel, or Group ImportType your message and personalise it with the customer's name. Attach any file product image, price list PDF, video ad, or audio to make it stand out in the inbox.
🖼️ Text + Image + File + VideoHit send and watch real-time delivery stats roll in. See who received it, who replied, and how the campaign performed all from the Whatso dashboard.
📊 Live campaign dashboardJoin 25,000+ businesses already using Whatso. Your first 100 messages are completely free.
Whatso is used by businesses of every size and industry. See exactly how companies like yours are using bulk WhatsApp sending to grow faster.
Send order updates, flash sale alerts, abandoned cart reminders, and product launches. Drive repeat purchases by keeping customers informed and excited on WhatsApp.
📈 Avg. 3× more repeat ordersPromote new courses, share study materials, remind students of classes, and follow up on leads from enquiry forms all automatically through bulk WhatsApp campaigns.
📚 40% more enrolment conversionsShare property listings with photos and brochures to thousands of potential buyers instantly. Follow up on leads from property expos and websites before competitors do.
🏠 5× faster lead follow-upPush daily specials, new menu items, seasonal offers, and event announcements directly to your regulars' phones. Build loyalty without relying on expensive delivery platforms.
🍽️ 2× more table bookingsAnnounce new collections with catalogue images, run exclusive WhatsApp-only sales, and give VIP early access to your most loyal customers with personalised bulk messages.
👗 28% higher sale-day revenueSend appointment reminders, health tips, prescription renewal alerts, and new service announcements to patients. Reduce no-shows and improve patient communication at scale.
💊 60% fewer missed appointmentsStop wasting time with manual WhatsApp or underperforming email campaigns. See why Whatso wins on every metric.
| Capability | ✅ Whatso Bulk Sender | Manual WhatsApp | Email Marketing |
|---|---|---|---|
| Send to 10,000+ contacts at once | ✓ Yes automated | ✗ Impossible | ✓ Yes |
| Message open rate | ~98% | ~98% | ~20% |
| Send images, video & PDF | ✓ Any file type | ✓ One at a time | Images only |
| Anti-ban protection | ✓ Built-in | ✗ No | N/A |
| Contact filter (active users only) | ✓ Automatic | ✗ No | ✗ No |
| Live delivery tracking | ✓ Real-time | ✗ No | ✓ Yes |
| Needs technical expertise / API | ✓ Zero plug & send | ✓ Zero | Some setup needed |
| Time to launch a campaign | < 5 minutes | Several hours | 1–3 hours |
| Personalise each message | ✓ Name & variables | Manual only | ✓ Yes |
Over 25,000 businesses across India and globally use Whatso to power their WhatsApp marketing every single day.
"Whatso transformed how we communicate with customers. Our Diwali sale campaign hit 12,000 contacts in under 5 minutes and generated more revenue than our entire email list combined."Fashion & Retail
"We send property listings with photos to thousands of leads every week. The contact filter alone saves us hours we only message active WhatsApp users. Conversion rate went up 3×."Real Estate
"I run a coaching institute and use Whatso to follow up with every enquiry instantly. Enrolments have gone up 40% since we started students respond on WhatsApp way faster than email."Education
Everything you need to know before you start sending bulk WhatsApp messages with Whatso.
There is no hard cap in Whatso's software. Most businesses comfortably send between 5,000 and 15,000 messages per campaign. We recommend using the built-in delay controls to keep your WhatsApp account safe. Turbo Mode significantly increases sending speed for urgent campaigns.
Whatso includes built-in anti-ban protection smart message delays, human-like typing simulation, and automatic number rotation. Following the recommended delay settings keeps the vast majority of accounts safe. You can also add multiple WhatsApp numbers as extra insurance.
No. Whatso works entirely without the official WhatsApp Business API. It's a desktop software that connects to your existing WhatsApp account directly no API access, no monthly conversation fees, and no technical setup required.
Whatso supports all WhatsApp-compatible file types: images (JPG, PNG, GIF), videos (MP4), audio (MP3, OGG), PDFs, Word documents, and more. You can attach a different file to each campaign or use the same file for all recipients.
Yes. Whatso supports message personalisation variables, so each recipient receives a message with their own name (or other custom fields) included. For example: "Hi {Name}, here's your exclusive offer!" becomes personalised for every contact automatically.
You can import contacts in three ways: upload a CSV or Excel file, paste a list of numbers directly into the software, or extract numbers from WhatsApp groups you are already a member of. The built-in contact filter then verifies which numbers are active WhatsApp users before sending.
Currently Whatso is a Windows desktop application. It supports Windows 7, 8, 10, and 11. A Mac version is not available at this time. Windows users can download and install it in under 2 minutes.
Yes every new Whatso account comes with 100 free messages so you can test the full software with your own contacts before purchasing. No credit card is required for the free trial. Simply register and start sending.
Join 25,000+ businesses using Whatso to reach customers instantly on WhatsApp. Your first 100 messages are free no credit card required.
No API needed · No coding · Windows software · Instant setup