WhatsAPI provides a scalable WhatsApp API for sending OTP, transactional notifications, and automated messages worldwide. Designed for developers, startups, and global businesses.
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WhatsAPI is a global WhatsApp API platform for OTP, transactional notifications, and automated messaging, trusted by developers and businesses worldwide.
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Single-page docs UI. Switch sections from the left sidebar.
Overview
Authentication
Send Text
Send Image (URL)
Send Document (URL)
Message Status
Check Number
WhatsApp Groups
Send to Group
WhatsAPI endpoint documentation (single-page, view-switch) inspired by Sidobe, themed to match whatsapi.io.Base URL: https://whatsapi.io/api/wa/v1/
Auth
Use the Authorization header with your token (no Basic/Bearer). The token will be loaded from your database.
Content-Type
application/json
Phone format
E.164 (Indonesia example: 62812xxxxxxx; you may send +628… in the body and the server will normalize it)
Tip: Make sure the device is connected (QR scanned). If not, call /start first.
Just Open the link: https://whatsapi.io/dashboard/service/devices
And Connect your whatsapp to the WhatsAPI.io.Authorization: YOUR_TOKEN
Just Open the link: https://whatsapi.io/dashboard/service/credential
And Get your token.
You can add: endpoint search, a “Try it” panel (token/phone/message inputs), and auto-generate curl/fetch based on environment variables.