curl --request GET \
  --url https://api.meetcampfire.com/coa/api/v1/bill-draft/{id} \
  --header 'Authorization: <api-key>'

{
  "id": 123,
  "customer": 123,
  "dedup_hash": "<string>",
  "promoted_bill": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "created_by": 123,
  "last_modified_at": "2023-11-07T05:31:56Z",
  "entity": 123,
  "source_file": 123,
  "sender_email": "<string>",
  "recipient_alias": "<string>",
  "email_subject": "<string>",
  "parse_error": "<string>",
  "extracted_vendor_name": "<string>",
  "extracted_bill_number": "<string>",
  "extracted_bill_date": "2023-12-25",
  "extracted_due_date": "2023-12-25",
  "extracted_currency": "<string>",
  "extracted_total_amount": 0,
  "extracted_line_items": "<unknown>",
  "field_confidence": "<unknown>",
  "resolved_vendor": 123,
  "discard_reason": "<string>"
}