GET
/api/fetch-username/{contact_identifier}Fetches WhatsApp username metadata for a contact.
Fetch Username
Fetches WhatsApp username metadata for a contact.
You can pass a phone number, WhatsApp user JID, LID JID, or username handle. For values containing @, such as [email protected], 1234567890@lid, or @jane_doe, URL-encode the @ symbol as %40 when passing it in the path.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| contact_identifier | string | Yes | Phone number, WhatsApp user JID, LID JID, or username handle. Examples: +1234567890, [email protected], 1234567890@lid, or @jane_doe. URL-encode @ as %40 in the path. |
Code Examples
curl "https://www.wasenderapi.com/api/fetch-username/1234567890%40s.whatsapp.net"
-H "Authorization: Bearer YOUR_API_KEY"Response Examples
{
"success": true,
"data": {
"jid": "[email protected]",
"username": "jane_doe"
}
}