Upload file attachments
POST/conversations/messages/upload
Post the necessary fields for the API to upload files. The files need to be a buffer with the key "fileAttachment". 
 The allowed file types are: 
 
- JPG
 - JPEG
 - PNG
 - MP4
 - MPEG
 - ZIP
 - RAR
 - DOC
 - DOCX
 - TXT
 - MP3
 - WAV
 
The API will return an object with the URLs
Request
Responses
- 200
 - 400
 - 401
 - 413
 - 415
 
Uploaded the file successfully
Bad Request
Unauthorized
Payload Too Large
Unsupported Media Type