diff --git a/src/update_handler.cpp b/src/update_handler.cpp
index 0aff231..e3786bc 100644
--- a/src/update_handler.cpp
+++ b/src/update_handler.cpp
@@ -9,19 +9,54 @@ UpdateHandler::UpdateHandler(Server& server) : server_(server) {}
 void UpdateHandler::handle_update_object(const drogon::HttpRequestPtr& req, std::function<void(const drogon::HttpResponsePtr &)>&& callback) {
     auto resp = drogon::HttpResponse::newHttpResponse();
     std::map<std::string, std::string> params;
+    
     // Validate authentication and rate limit (no required query params, just auth)
     if (!server_.validate_write_request(req, resp, {}, params)) {
         callback(resp);
         return;
     }
 
-    // Parse JSON body
+    // Parse request based on content type
     nlohmann::json body;
-    try {
-        body = nlohmann::json::parse(req->getBody());
-    } catch (const nlohmann::json::parse_error& e) {
+    const auto& contentType = req->getHeader("content-type");
+    
+    if (contentType.find("application/json") != std::string::npos) {
+        // Handle JSON content
+        try {
+            body = nlohmann::json::parse(req->getBody());
+        } catch (const nlohmann::json::parse_error& e) {
+            resp->setStatusCode(drogon::k400BadRequest);
+            nlohmann::json response = {{"result", "error"}, {"error", "Invalid JSON body"}};
+            resp->setBody(response.dump());
+            resp->setContentTypeCode(drogon::CT_APPLICATION_JSON);
+            callback(resp);
+            return;
+        }
+    } else if (contentType.find("multipart/form-data") != std::string::npos ||
+               contentType.find("application/x-www-form-urlencoded") != std::string::npos) {
+        // Handle form data
+        body = nlohmann::json::object();
+        const auto& form = req->getParameters();
+        
+        // Get hash from form data
+        auto hash_it = form.find("hash");
+        if (hash_it != form.end()) {
+            body["hash"] = hash_it->second;
+        }
+        
+        // Parse metadata if present
+        auto meta_it = form.find("metadata");
+        if (meta_it != form.end()) {
+            try {
+                body["metadata"] = nlohmann::json::parse(meta_it->second);
+            } catch (const nlohmann::json::parse_error& e) {
+                // If parsing as JSON fails, treat it as a string
+                body["metadata"] = meta_it->second;
+            }
+        }
+    } else {
         resp->setStatusCode(drogon::k400BadRequest);
-        nlohmann::json response = {{"result", "error"}, {"error", "Invalid JSON body"}};
+        nlohmann::json response = {{"result", "error"}, {"error", "Unsupported content type. Use application/json or form data."}};
         resp->setBody(response.dump());
         resp->setContentTypeCode(drogon::CT_APPLICATION_JSON);
         callback(resp);