curl -X POST https://api.livchat.ai/v1/contacts/info \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phones": ["5511999999999"]
  }'

const response = await fetch("https://api.livchat.ai/v1/contacts/info", {
  method: "POST",
  headers: {
    Authorization: "Bearer YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    phones: ["5511999999999"],
  }),
});

{
  "success": true,
  "code": 200,
  "data": {
    "users": {
      "5511999999999@s.whatsapp.net": {
        "devices": [
          "5511999999999.0:0@s.whatsapp.net",
          "5511999999999.0:11@s.whatsapp.net"
        ],
        "pictureId": "122233212312",
        "status": "Available",
        "verifiedName": {
          "certificate": {
            "details": "base64...",
            "signature": "base64..."
          },
          "details": {
            "issuer": "smb:wa",
            "serial": 23810327841439764000,
            "verifiedName": "Company Name"
          }
        }
      }
    }
  }
}