diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ad56a78c..a43b15a4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.10.0"
+  ".": "4.11.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5a3aa51a..ad4c9be8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.11.0 (2025-07-30)
+
+Full Changelog: [v4.10.0...v4.11.0](https://github.com/orbcorp/orb-python/compare/v4.10.0...v4.11.0)
+
+### Features
+
+* **client:** support file upload requests ([d4b17b0](https://github.com/orbcorp/orb-python/commit/d4b17b0534e20d7c0005e8c91ff3de022aa5f7c6))
+
 ## 4.10.0 (2025-07-26)
 
 Full Changelog: [v4.9.0...v4.10.0](https://github.com/orbcorp/orb-python/compare/v4.9.0...v4.10.0)
diff --git a/pyproject.toml b/pyproject.toml
index c303930a..a578d173 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "orb-billing"
-version = "4.10.0"
+version = "4.11.0"
 description = "The official Python library for the orb API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/orb/_base_client.py b/src/orb/_base_client.py
index 30832fc9..d355fc69 100644
--- a/src/orb/_base_client.py
+++ b/src/orb/_base_client.py
@@ -533,7 +533,10 @@ def _build_request(
         is_body_allowed = options.method.lower() != "get"
 
         if is_body_allowed:
-            kwargs["json"] = json_data if is_given(json_data) else None
+            if isinstance(json_data, bytes):
+                kwargs["content"] = json_data
+            else:
+                kwargs["json"] = json_data if is_given(json_data) else None
             kwargs["files"] = files
         else:
             headers.pop("Content-Type", None)
diff --git a/src/orb/_files.py b/src/orb/_files.py
index 715cc207..cc14c14f 100644
--- a/src/orb/_files.py
+++ b/src/orb/_files.py
@@ -69,12 +69,12 @@ def _transform_file(file: FileTypes) -> HttpxFileTypes:
         return file
 
     if is_tuple_t(file):
-        return (file[0], _read_file_content(file[1]), *file[2:])
+        return (file[0], read_file_content(file[1]), *file[2:])
 
     raise TypeError(f"Expected file types input to be a FileContent type or to be a tuple")
 
 
-def _read_file_content(file: FileContent) -> HttpxFileContent:
+def read_file_content(file: FileContent) -> HttpxFileContent:
     if isinstance(file, os.PathLike):
         return pathlib.Path(file).read_bytes()
     return file
@@ -111,12 +111,12 @@ async def _async_transform_file(file: FileTypes) -> HttpxFileTypes:
         return file
 
     if is_tuple_t(file):
-        return (file[0], await _async_read_file_content(file[1]), *file[2:])
+        return (file[0], await async_read_file_content(file[1]), *file[2:])
 
     raise TypeError(f"Expected file types input to be a FileContent type or to be a tuple")
 
 
-async def _async_read_file_content(file: FileContent) -> HttpxFileContent:
+async def async_read_file_content(file: FileContent) -> HttpxFileContent:
     if isinstance(file, os.PathLike):
         return await anyio.Path(file).read_bytes()
 
diff --git a/src/orb/_version.py b/src/orb/_version.py
index 7b52cf46..1ee678ff 100644
--- a/src/orb/_version.py
+++ b/src/orb/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "orb"
-__version__ = "4.10.0"  # x-release-please-version
+__version__ = "4.11.0"  # x-release-please-version