Get document upload status

get https://gateway.stage.bill.com/connect/v3/documents/upload-status

Get status of a document upload. Use this endpoint to identify when a document upload is complete.

BILL generates an uploadId for the document when the the upload is in progress (IN_PROGRESS). The value begins with 0du`.
BILL generates a documentId for the document when the upload is complete (UPLOADED). The value begins with 00h.