Check Active Status
View all WhatsApp Number Validation & Profile Lookup endpoints →Check in real time whether a phone number is registered and active on WhatsApp. Returns a direct active flag for the full international number — a standalone check that does not require a userHash. Ideal for quick yes/no validation in signup flows and list hygiene.
API Features
Standalone active check Direct active result for a full international number without the two-step userHash flow
Real-time Live registration/active signal for accurate validation
Simple integration Single path parameter, one GET request, easy to call from any client
Live API Demo
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GET
/api/project/whatsapp/check-active API Response (JSON)
{} curl -X GET 'https://api.opendata-api.com/api/project/whatsapp/check-active?key=<API_KEY>&phoneNumber=<phoneNumber>'
curl -X GET 'https://api.opendata-api.com/api/project/whatsapp/check-active?key=<API_KEY>&phoneNumber=<phoneNumber>'
Query Result
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Use Cases
- Signup and onboarding validation
- Quick list hygiene checks
- Messaging pre-checks to improve deliverability