WhatsApp API alternatives: WATI, UltraMsg, Whapi, Green API
WhatsApp tools take one of two routes. Official WhatsApp Business API platforms need Meta's approval and message templates, and you pay per message. Unofficial APIs, like WbizTool, link the number you already use the way WhatsApp Web does: no approval and no message fees, but WhatsApp's rules apply to your own number. These pages compare the facts, with sources, so you can pick what fits.
At a glance
| Tool | Route | Per-message fees | From (US) | Team inbox |
|---|---|---|---|---|
| WbizTool | Your own number (unofficial) | None | $25 a month, 1 number | Add-on on a paid plan, $20 per number |
| WATI | Official Business API | Yes, per message | $25 a month plus message fees | Included |
| UltraMsg | Your own number (unofficial) | None | $39 a month per number | Not listed |
| Whapi.Cloud | Your own number (unofficial) | None | $35 a month per number | Not listed |
| Green API | Your own number (unofficial) | None | $12 a month per number | Not listed |
From each vendor's website on 17 October 2026; “Not listed” means we didn't find it there. Each comparison links its sources.
Start freeFree trial: 50 messages in any 30 days, no card.
Comparisons
- WATI alternativeWATI is an official WhatsApp Business API platform (Meta Business Partner).Compare
- UltraMsg alternativeUltraMsg is an unofficial WhatsApp API that links a number like WhatsApp Web.Compare
- Whapi.Cloud alternativeWhapi.Cloud is an unofficial, developer-focused WhatsApp API through a linked device.Compare
- Green API alternativeGreen API is an unofficial WhatsApp API gateway through a linked device.Compare
Want the official-API side in general? See WhatsApp API without Meta approval.