GuidesJanuary 18, 20262 min readWaply Team
Complete Guide to WhatsApp Business API Setup in 2026
Learn how to set up WhatsApp Business API for your company. Step-by-step guide covering requirements, Meta Business verification, and integration.
#whatsapp#api#business#setup#meta#integration
WhatsApp Business API Setup Guide
WhatsApp Business API lets you automate conversations, integrate with CRM systems, and handle thousands of messages at scale.
API vs Business App
| Feature | Business App | Business API |
|---|---|---|
| Price | Free | Pay-per-conversation |
| Devices | 1-5 | Unlimited |
| Automation | Basic | Full chatbot support |
| Broadcast | 256 contacts | Unlimited |
Requirements
Before you start, you need:
- A registered business with website
- Facebook Business Manager account
- Phone number not on WhatsApp
- A platform like Waply (or developer resources)
Quick Setup with Waply
The fastest way to get WhatsApp API running:
- Sign up at waply.io
- Go to Settings > Integrations
- Click Install on WhatsApp
- Login with Facebook and select your business
- Verify with OTP - Done!
📖 Step-by-step guide: How to Connect WhatsApp to Waply
API Access
Need custom integrations? After installing WhatsApp:
- Go to Settings > API
- Generate your API Key
- Use our RESTful endpoints
Waply API SettingsLoading...
curl -X POST https://api.waply.io/v1/messages \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{"to": "+1234567890", "text": "Hello!"}'Pricing
WhatsApp uses conversation-based pricing:
| Type | Cost (approx.) |
|---|---|
| Marketing | $0.025 |
| Utility | $0.015 |
| Authentication | $0.014 |
| Service | Free (1,000/month) |
Message Templates
For outbound messages, you need approved templates:
Hi {{1}}, your order #{{2}} is confirmed!
Delivery: {{3}}
Track: {{4}}Tips:
- Keep it short and clear
- Add opt-out for marketing
- Use personalization
Best Practices
Do:
- Get explicit opt-in consent
- Respect time zones
- Respond quickly
Don't:
- Spam customers
- Send unsolicited marketing
- Ignore unsubscribe requests
Common Issues
| Problem | Solution |
|---|---|
| Number in use | Remove from WhatsApp app, wait 24h |
| Template rejected | Check Meta guidelines, fix category |
| Messages not sent | Verify number format with country code |
Get Started
- Sign up for Waply
- Connect WhatsApp
- Start messaging!
Ready to get started? Book a demo to see it in action.