What it checks
What does WhatsApp Business return?
Adds a business-account signal for workflows that segment commercial contacts, prioritize company outreach, or tailor customer engagement.
Service type: ws_business
Check registration and identify whether the number uses a WhatsApp Business account.
POST /api/v1/checkWhat it checks
Adds a business-account signal for workflows that segment commercial contacts, prioritize company outreach, or tailor customer engagement.
Best for
API contract
Send one E.164 phone number and select this product with service_type. Authentication uses your API key.
POST /api/v1/check{
"service_type": "ws_business",
"identifier": "+14155552671"
}200 OK{
"code": 0,
"msg": "ok",
"data": {
"id": 123,
"identifier": "+14155552671",
"registered": true,
"transaction_id": "chk_example123",
"status": "success",
"service_type": "ws_business",
"business": true,
"charged_credits": 2
}
}Result fields
registeredbooleanWhether the number is registered on WhatsApp.
businessbooleanWhether the account is a WhatsApp Business account.
Always use registered for registration status. A false product-specific field does not mean the number is unregistered.
Product FAQ
It checks one phone number and returns registration status and whether the account is a WhatsApp Business account in the same synchronous response.
Each completed check uses 2 credits. Failed or undetermined upstream requests do not keep the charge.
Use E.164 format with the country code, for example +14155552671.
No. Cache handling is internal and clients must not depend on a cached field.