From 35c4147379ad033efdc2afdb4bd546de2837066c Mon Sep 17 00:00:00 2001
From: Stevan Freeborn <65925598+StevanFreeborn@users.noreply.github.com>
Date: Sat, 12 Jul 2025 22:16:07 -0500
Subject: [PATCH] docs: add note about files beta status

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index 246ebbb..dcc1786 100644
--- a/README.md
+++ b/README.md
@@ -205,6 +205,9 @@ Console.WriteLine("Model Id: {0}", response.Value.Id);
 
 The `AnthropicApiClient` provides support for the Anthropic Files API, which allows you to upload and manage files for use with the Anthropic API.
 
+> [!NOTE]
+> The Files API is currently in beta. To use the Files API, you’ll need to include the beta feature header: `anthropic-beta: files-api-2025-04-14`
+
 #### Create a File
 
 You can create a file using the Files API in several ways: