post https://api.snapdocs.com/api/v1/closings//documents
Use this endpoint to upload a new closing document into Snapdocs' system.
⚠️ Important: This endpoint expects the raw binary data of the PDF file as the request body. Do not Base64 encode the file or wrap it in a JSON object. The Content-Type header must be set to application/pdf.
If the call is successful, return a 201 Success status code.