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Unofficial vs official WhatsApp API: what to choose
In short
The official Meta Cloud API is the stable, reliable foundation for WhatsApp business messaging: green check, approved templates, and billing by Meta per conversation. With SendApp you get it all with no markup on messages.
How to connect WhatsApp to a platform for your business is one of the first decisions to make. The proper route is Meta's official Cloud API, with approved templates and the green check: stable, reliable, and built for automated business use. Let's look at how it works and why it's the right foundation, no slogans.
How unofficial APIs work (WhatsApp Web via QR)
Unofficial APIs automate WhatsApp Web: you pair the phone by scanning a QR code and a piece of software drives the session as if someone were typing at the computer. At first sight it looks convenient, because there are no templates to approve and you use the number you already have. But Meta does not authorise it: it breaks WhatsApp's terms of service, depends on a phone session that has to stay connected, and can end with the number limited or banned. SendApp does not offer this kind of connection.
- No templates to approve: that's the apparent advantage
- Pairing by scanning a QR code, as with WhatsApp Web on a computer
- Depends on a phone session that must stay connected
- Fragile: against WhatsApp's terms, no official guarantee, block risk
What the official Meta API is (Cloud API)
The official Meta Cloud API is the channel supported and designed by Meta for businesses. It requires template approval for proactive messages, but in exchange it offers stability, the green check of a verified account and anti-ban protections when used correctly. It's built for volume and for serious transactional communications. The cost follows Meta's per-conversation model, billed directly by Meta.
- Stability and official Meta support
- Green check of a verified account
- Approved templates with anti-ban protection
- Per-conversation cost billed by Meta
Direct comparison
| Aspect | Unofficial (WhatsApp Web) | Official Meta API |
|---|---|---|
| Cost per message | No Meta fee, but the number is at risk | Per conversation (Meta) |
| Green check | No | Yes |
| Block risk | Higher if abused | Low if used well |
| Approved templates | Not required | Required for proactive |
| Suited to | Not advisable for a business number | High volume, transactional |
When each solution is worth it
The official API is the right choice from the start and becomes essential as volume grows: reliable transactional notifications (order confirmations, reminders), the green check and reputation, and clear rules that protect your number. Businesses that build on it can scale their campaigns and automations without hitting the ceilings of consumer WhatsApp.
If you mainly send transactional notifications (orders, reminders, confirmations) to many contacts, start directly with the official API: the stability and anti-ban protection make the per-conversation model worth it.
The ban risk explained without alarmism
The number block is neither automatic nor inevitable: it depends on behavior. Sending unsolicited messages to purchased lists, spamming in bursts or ignoring unsubscribes increases the risk, and with unofficial tools that automate WhatsApp Web the risk is higher from the start, because the connection itself breaks the terms of service. Respecting consent, sending expected messages and maintaining a good reputation reduces the risk on any number. The official API additionally offers a quality system managed by Meta.
How to do it with SendApp
SendApp runs on Meta's official API with approved templates and the green check. You get the CRM with tags, broadcast campaigns, the trainable AI agent and the multichannel inbox. With the Cloud API messages are billed by Meta with no SendApp markup. Plans start at 19 euros a month and over 30,000 businesses already use SendApp.
Put it into practice with SendApp
Campaigns, AI and a multichannel inbox with no markup on message costs. Try it free, no credit card.
Redazione SendApp
The SendApp team — WhatsApp marketing and AI platform for businesses.