curl --request POST \
  --url https://uploads.pinata.cloud/v3/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form network=private \
  --form 'name=<string>' \
  --form 'group_id=<string>' \
  --form 'keyvalues={}' \
  --form file=@example-file

{
  "data": {
    "id": "<string>",
    "name": "<string>",
    "cid": "<string>",
    "created_at": "<string>",
    "size": 123,
    "number_of_files": 123,
    "mime_type": "<string>",
    "user_id": "<string>",
    "group_id": "<string>",
    "is_duplicate": true
  }
}