diff --git a/http/http_body.hpp b/http/http_body.hpp
index 4462a50..673058e 100644
--- a/http/http_body.hpp
+++ b/http/http_body.hpp
@@ -12,6 +12,8 @@
 #include <boost/beast/http/message.hpp>
 #include <boost/system/error_code.hpp>
 
+#include <cstdint>
+#include <optional>
 #include <string_view>
 
 namespace bmcweb
@@ -24,6 +26,8 @@
     class reader;
     class value_type;
     // NOLINTEND(readability-identifier-naming)
+
+    static std::uint64_t size(const value_type& body);
 };
 
 enum class EncodingType
@@ -267,4 +271,10 @@
     }
 };
 
+inline std::uint64_t HttpBody::size(const value_type& body)
+{
+    std::optional<size_t> payloadSize = body.payloadSize();
+    return payloadSize.value_or(0U);
+}
+
 } // namespace bmcweb