Bulk Broadcasting
Send personalized messages to 1 or 1,00,000 contacts in minutes. CSV upload, anti-block delays, smart batching.
The all-in-one WhatsApp gateway that turns your number into a marketing engine — bulk broadcasts, smart chatbots, REST API and multi-device support. Built for agencies, resellers and growing businesses.
Messages delivered
Active businesses
Uptime guarantee
Higher open rates than email
From your first message to your millionth — one platform, no add-ons, no surprises.
Send personalized messages to 1 or 1,00,000 contacts in minutes. CSV upload, anti-block delays, smart batching.
Production-grade HTTP API to send/receive messages from your CRM, ERP, store or mobile app.
Run unlimited WhatsApp numbers from a single dashboard. Switch, scan, ready in 15 seconds.
Schedule, segment, A/B test and track every campaign with real-time delivery + read analytics.
Greet new contacts, reply when offline, run business hours — fully automated.
Smart throttling, randomized delays and warm-up patterns to keep your numbers safe.
Sent, delivered, read, replied — every metric on one screen, exportable to Excel.
Same WhatsApp. Better economics. Zero approval queue.
| Capability | WhatzAPI | Official API | Old SMS |
|---|---|---|---|
| Per-message cost | Flat / unlimited | ₹0.40 – ₹0.85 | ₹0.18 – ₹0.30 |
| Setup time | 3 minutes | 3–14 days | Same day |
| Template approval | Not needed | Mandatory | N/A |
| Media + buttons | Full | Limited | |
| Multiple numbers | Unlimited | Per-number fee | |
| Open rate | ~98% | ~98% | ~22% |
No SDKs to install. No Meta approval. No waiting. Just scan and send.
Create your free account and scan the QR with WhatsApp on your phone. That's it — your number is live.
Drop a CSV of contacts, write a message with media & variables — or wire our REST API into the stack you already use.
// POST /api/send
fetch("https://app.whatzapi.com/api/send", {
method: "POST",
headers: { "x-api-key": "sk_•••" },
body: JSON.stringify({
to: "+91 98•••••140",
text: "Hi {{name}} 👋"
})
})Hit send and watch delivery, reads and replies update live. Use the analytics to double-down on what works.
Abandoned cart recovery, order confirmations and shipping updates that get opened 95% of the time.
Send class reminders, share resources, run admission funnels and student support 24×7.
Appointment reminders, reports delivery and lab follow-ups — HIPAA-aware workflows.
Live tracking, delivery OTPs and customer reschedules without phone calls.
OTPs, statements, EMI reminders and KYC follow-ups delivered in seconds — not minutes.
Multi-agent inbox, ticketing and auto-replies. Slash response time by 80%.
increase in repeat orders for a D2C brand after switching from SMS to WhatzAPI broadcasts.
reduction in customer-support tickets after deploying the AI chatbot for a SaaS platform.
higher open rate vs email — coaching academy sent admission reminders that actually got read.
REST API + webhooks mean every modern stack works on day one.
Launch under your brand, set your own prices, keep up to 70% recurring revenue. We host, you grow.
Tell us your scale, we'll tell you the price — usually a fraction of what you pay for SMS today. No setup fee. No per-message charges. No surprises.
Pay monthly. Cancel anytime from your dashboard — no calls, no awkward emails.
End-to-end encrypted sessions, TLS 1.3, daily backups. Your data stays yours.
Median first reply under 2 minutes — on WhatsApp, of course.
Redundant nodes, auto-failover and live status — we report incidents the moment they start.
Still curious? Ping us on WhatsApp — we usually reply in under 2 minutes.
Chat with usNo. WhatzAPI works with your regular WhatsApp number via secure multi-device sessions. There's no approval queue, no template review and no per-message fee.
Our anti-ban engine adds smart throttling, randomized delays and warm-up patterns. Used responsibly, thousands of customers run for years without issues.
Yes — our REST API and webhooks plug into anything: Shopify, WooCommerce, Zapier, n8n, Salesforce, Bitrix24, custom PHP/Node/Python apps.
The Starter plan is free forever. The Growth plan ships with a 7-day no-card trial so you can run real campaigns risk-free.
Yes. Paid plans support multiple numbers under one dashboard. Resellers can manage unlimited client accounts.
Your data lives on encrypted servers and is never sold or shared. You can export or wipe everything in one click from settings.
Join 10,000+ businesses using WhatzAPI to broadcast, automate and grow.
Free Starter plan · No credit card · Cancel anytime