curl -X POST https://api.livchat.ai/v1/messages/send/document \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone": "5511999999999",
    "document": "https://example.com/file.pdf",
    "fileName": "invoice.pdf"
  }'

const response = await fetch("https://api.livchat.ai/v1/messages/send/document", {
  method: "POST",
  headers: {
    Authorization: "Bearer YOUR_API_KEY",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    phone: "5511999999999",
    document: "https://example.com/file.pdf",
    fileName: "invoice.pdf",
  }),
});

{
  "success": true,
  "code": 200,
  "data": {
    "details": "Sent",
    "id": "3EB04A45DCA355D01DB68C"
  }
}