diff --git a/cli/path.py b/cli/path.py
index 6fc2564..0be6053 100644
--- a/cli/path.py
+++ b/cli/path.py
@@ -90,8 +90,27 @@ def tree(path: str = typer.Argument(..., help="Path to PythonAnywhere file or di
 
 
 @app.command()
-def upload(path: str = typer.Argument(..., help="Path to PythonAnywhere file or directory")):
-    pass
+def upload(
+    path: str = typer.Argument(
+        ...,
+        help=(
+            "Full path of FILE where CONTENTS should be uploaded to -- "
+            "Warning: if FILE already exists, it's contents will be overwritten"
+        )
+    ),
+    file: typer.FileBinaryRead = typer.Option(
+        ...,
+        "-c",
+        "--contents",
+        help="Path to exisitng file or stdin stream that should be uploaded to PATH"
+    ),
+):
+    path = standarize_path(path)
+    pa_path = PAPath(path)
+
+    success = pa_path.upload(file)
+
+    sys.exit(0 if success else 1)
 
 
 @app.command()
diff --git a/pythonanywhere/api/files_api.py b/pythonanywhere/api/files_api.py
index 1a05ae5..3ce903c 100644
--- a/pythonanywhere/api/files_api.py
+++ b/pythonanywhere/api/files_api.py
@@ -77,15 +77,11 @@ def path_get(self, path):
         )
 
     def path_post(self, dest_path, content):
-        """Uploads contents of `source` to `dest_path` which should be
+        """Uploads contents of `content` to `dest_path` which should be
         a valid absolute path of a file available to a PythonAnywhere
         user.  If `dest_path` contains directories which don't exist
         yet, they will be created.
 
-        With `as_string` optional keyword set to `True`, method
-        interprets `source` as string containing file contents,
-        otherwise `source` is expected to be a valid path to e file.
-
         Returns 200 if existing file on PythonAnywhere has been
         updated with `source` contents, or 201 if file from
         `dest_path` has been created with those contents."""
diff --git a/tests/test_cli_path.py b/tests/test_cli_path.py
index f0dded6..a4b72f0 100644
--- a/tests/test_cli_path.py
+++ b/tests/test_cli_path.py
@@ -1,4 +1,5 @@
 import getpass
+from tempfile import NamedTemporaryFile
 from textwrap import dedent
 
 import pytest
@@ -182,3 +183,23 @@ def test_prints_tree_for_empty_directory(self, mock_path, home_dir):
 
             """)
         assert result.stdout == expected
+
+
+class TestUpload:
+    file = NamedTemporaryFile()
+
+    def test_exits_with_success_when_successful_upload(self, mock_path):
+        mock_path.return_value.upload.return_value = True
+
+        result = runner.invoke(app, ["upload", "~/hello.txt", "-c", self.file.name])
+
+        assert mock_path.return_value.upload.called
+        assert result.exit_code == 0
+
+    def test_exits_with_error_when_unsuccessful_upload(self, mock_path):
+        mock_path.return_value.upload.return_value = False
+
+        result = runner.invoke(app, ["upload", "~/hello.txt", "-c", self.file.name])
+
+        assert mock_path.return_value.upload.called
+        assert result.exit_code == 1