WhatsApp Business API

Boost your marketing with WAPi

The most developer-friendly WhatsApp API platform. Automate conversations, run bulk campaigns, and manage multi-device sessions — via one clean REST API.

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MK SR TP AL +

Trusted by 2,400+ businesses worldwide

Your order has been shipped! 📦
10:42 AM✓✓
POST /api/v1/send-message
// Send a message in <60 seconds

const res = await fetch('https://api.wapi.io/v1/send', {
  method: 'POST',
  headers: { 'Authorization': 'Bearer ••••••' },
  body: JSON.stringify({
    to: '+1 555 000 0000',
    message: 'Hello World! 👋'
  })
});

// → 200 OK { status: 'sent', id: 'msg_...' }
✅
1,240 messages sent Campaign complete · just now
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0M+
Messages sent monthly
0.9%
Uptime SLA guaranteed
0+
Countries supported
0+
Active businesses
Features

Explore Our Amazing Features 🔥

One API. Endless possibilities. Here's how teams are using WAPI to automate real business workflows.

🔄

N8N & No-Code Automation

Connect WAPI to N8N, Make.com, or Zapier using our REST API. Trigger WhatsApp messages from any app — no custom code needed.

N8N Workflow
Active
Make.com Scenario
Active
Zapier Zap
Active
// N8N HTTP Request node
POST /api/v1/send
"message": "{{ $json.order_id }} shipped!"
🛒

Instant Order & Shipping Alerts

Fire WhatsApp notifications the moment an order is placed, shipped, or delivered. Integrate with Shopify, WooCommerce, or any platform via webhook or API call.

Order #4821 — Confirmed✓ Sent
Order #4822 — Shipped via DHL✓ Delivered
Order #4823 — Out for deliverySending…
🔐

OTP & 2FA Verification

Send one-time passwords and login verification codes via WhatsApp. Higher delivery rates than SMS, zero extra cost.

// Send OTP
"message": "Your code: 847291"
// Expires in 5 minutes
📅

Appointment Reminders

Automatically remind patients, clients, or customers 24 hours before their appointment. Reduce no-shows by up to 60%.

Hi Sara 👋
Reminder: your appointment
is tomorrow at 3:00 PM.
Reply 1 to confirm
🎯

CRM-Triggered Follow-ups

Connect HubSpot, Salesforce, or any CRM — automatically message leads the moment their status changes. Strike while the iron is hot.

🤖

Build WhatsApp Chatbots via Webhooks

Every inbound message hits your webhook in real-time. Parse the reply, run your logic, respond instantly — build fully automated customer support bots, FAQ bots, or AI assistants powered by any LLM.

// Inbound webhook payload
"from": "+1555...",  "body": "Track my order"
// → your server logic → reply via API
POST /v1/send  { "message": "Order is on the way! 🚚" }
How it works

From setup to first
message in minutes.

01

Connect Your Number

Scan a QR code to link your WhatsApp. No Meta Business approval required to start.

02

Get Your API Key

Instantly generate credentials from the dashboard. Secure and permission-scoped.

03

Send Your First Message

One API call. Any language. Copy our example and you're live in 60 seconds.

04

Scale Without Limits

Add sessions, build campaigns, configure automations. Grows with your volume.

Pricing

Simple, transparent pricing.

No hidden fees. Pay for what you need, scale when you're ready.

Trial
$0.00 /mo

Billed monthly. Cancel anytime.

  • Messages limit (100)
  • Contact limit (10)
  • Device limit (2)
  • Template limit (2)
  • Apps limit (3)
Free 15 day trial
Basic
$5.00 /mo

Billed monthly. Cancel anytime.

  • Messages limit (1500)
  • Contact limit (100)
  • Device limit (1)
  • Template limit (0)
  • Apps limit (1)
Get started
MOST POPULAR
Starter
$10.00 /mo

Billed monthly. Cancel anytime.

  • Messages limit (3000)
  • Contact limit (3000)
  • Device limit (2)
  • Template limit (5)
  • Apps limit (5)
Get started
Enterprise
$20.00 /mo

Billed monthly. Cancel anytime.

  • Messages limit (5000)
  • Contact limit (unlimited)
  • Device limit (10)
  • Template limit (10)
  • Apps limit (20)
Get started
FAQ

Common questions.

Do I need to install anything on my phone?
No additional app is needed. You only need to scan a QR code using your WhatsApp app to establish the connection between your number and WAPI.
Can I manage contacts or import numbers?
Yes, WAPI includes a powerful Contact Book feature where you can import contacts, create groups, add tags, and manage them for campaigns or automation.
How secure is WAPI?
WAPI uses token-based authentication, secured endpoints, and device encryption methods to ensure secure communication and prevent unauthorized access.
What types of messages can I send using WAPI?
You can send plain text, images, PDFs (e.g. invoices), links, buttons, and pre-approved templates including OTPs, order confirmations, shipping updates, and promotional messages.
Can I track message delivery and history?
Yes, WAPI provides detailed message logs and delivery reports. You can track each message’s status — sent, delivered, or failed — through the dashboard or API.
Is there any limit to the number of messages I can send?
WAPI supports unlimited messaging. However, practical delivery depends on WhatsApp's fair usage policies and the stability of the connected device.
How do I integrate WAPI into my system?
WAPI offers a simple REST API that can be integrated with any CRM, ERP, ecommerce store, or custom software. It supports authentication tokens and webhooks for seamless automation.
Do I need a new number to use WAPI?
No, you can connect your existing WhatsApp number with WAPI by simply scanning a QR code. This keeps your communication personalized and trusted by your customers.
What is WAPI?
WAPI is a WhatsApp API service that allows you to connect your own WhatsApp number to your software, website, or mobile app. Once connected, you can send automated messages such as OTPs, invoices, order updates, promotional messages, and more.
Start today

Connect. Automate. Grow. Send invoices, updates & promos via WhatsApp.
delivered.

Join 2,400+ businesses using WAPI - WhatsApp API Solutions to power their WhatsApp automation.

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No credit card required · Free tier available · Cancel anytime