404找不到错误，将文件上传到box.com？

Question

I've been struggling to get the upload file post to work. All I get is a 404 not found error which isn't helping. I'm using C# HttpWebRequest. When I catch the request in fiddler this is what it looks like.

--

  POST https://api.box.com/2.0/files/content HTTP/1.1
  Authorization: BoxAuth api_key=APK_KEY&auth_token=AUTH_TOKEN
  Content-Type: multipart/form-data; boundary=----------------------------8cfa73fa0212bf1
  Host: api.box.com
  Content-Length: 198082


  ------------------------------8cfa73fa0212bf1

  ------------------------------8cfa73fa0212bf1
  Content-Disposition: form-data; name="folder_id";

  532901558
  ------------------------------8cfa73fa0212bf1

  ------------------------------8cfa73fa0212bf1
  Content-Disposition: form-data; name="filename"; filename="Pasha.pdf"
  Content-Type: application/pdf

  %PDF-1.5
  %����
  1 0 obj
  <</Type/Catalog/Pages 2 0 R/Lang(en-CA) /StructTreeRoot 29 0 R/MarkInfo<</Marked true>>>>
   endobj
  2 0 obj

  // rest of file data goes here ... too long to post

  ------------------------------8cfa73fa0212bf1

Answer 1

This is example of request what do you need to send to box.com

POST https://api.box.com/2.0/files/content HTTP/1.1
Authorization: BoxAuth api_key={key}&auth_token={token}
Content-Type: multipart/form-data; boundary="d174f29b-6def-47db-8519-3da38b21b398"
Host: api.box.com
Content-Length: 314
Expect: 100-continue

--d174f29b-6def-47db-8519-3da38b21b398
Content-Disposition: form-data; filename="hello.txt"; name="filename"
Content-Type: application/octet-stream

{Bytes}
--d174f29b-6def-47db-8519-3da38b21b398
Content-Disposition: form-data; name="folder_id"

0 
--d174f29b-6def-47db-8519-3da38b21b398--