curl --request POST \
  --url 'https://actionkit.useparagon.com/projects/{project_id}/actions/#SAGE_INTACCT_UPDATE_BILL' \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "action": "SAGE_INTACCT_UPDATE_BILL",
  "parameters": {
    "recordNumber": "<string>",
    "vendorId": "<string>",
    "date": "<string>",
    "dueDate": "<string>",
    "billItems": {},
    "payTo": "<string>",
    "returnTo": "<string>",
    "billNumber": "<string>",
    "referenceNumber": "<string>",
    "paymentTerm": "<string>",
    "recommendPaymentDate": "<string>",
    "onHold": true,
    "attachment": "<string>",
    "description": "<string>"
  }
}'