Registered
The active WhatsApp Web session returned a registration indicator for the submitted number during the check.
This does not guarantee that a message will be delivered, read, or welcomed.
Not found
The task did not receive a registered result for the submitted value.
Check the country code and formatting before treating the row as an unregistered number.
Pending or checking
The row has not reached a final task state. Wait for completion or inspect the session if progress stops.
Unverifiable and changing results
Browser sessions, network conditions, formatting, and account changes can make a result incomplete or different at a later time.