post
https://integrations.alvys.com/api/p/v/loads//document
Upload multipart/form-data. One file per request. Max file size 10 MB. Allowed document types: Customer Rate and Load Confirmation, Customer Load Confirmation, Customer Rate Confirmation, Signed Customer Rate Confirmation, Proof of Delivery, Proof of Pickup, Bill of Lading, Shipping Labels. Allowed MIME types: application/pdf, image/jpeg, image/png.