post https://api.sandbox.monite.com/v1/payables/upload_with_data
Add a new payable by providing the amount, currency, vendor name, and other details.
You can provide the base64_encoded contents of the original invoice file in the field base64_encoded_file.
You can use this endpoint to bypass the Monite OCR service and provide the data directly
(for example, if you already have the data in place).
A newly created payable has the the draft status.