diff --git a/src/anthropic/_exceptions.py b/src/anthropic/_exceptions.py
index 0e2d5252..47568a94 100644
--- a/src/anthropic/_exceptions.py
+++ b/src/anthropic/_exceptions.py
@@ -41,6 +41,7 @@ def __init__(self, message: str, request: httpx.Request, *, body: object | None)
         super().__init__(message)
         self.request = request
         self.message = message
+        self.body = body
 
 
 class APIResponseValidationError(APIError):