diff --git a/contrib/endpoints/src/api_manager/config.cc b/contrib/endpoints/src/api_manager/config.cc
index b0a1b85d119..bcc0e3babee 100644
--- a/contrib/endpoints/src/api_manager/config.cc
+++ b/contrib/endpoints/src/api_manager/config.cc
@@ -113,6 +113,23 @@ MethodInfoImpl *Config::GetOrCreateMethodInfoImpl(const string &name,
   return i->second.get();
 }
 
+bool Config::LoadQuotaRule(ApiManagerEnvInterface *env) {
+  for (const auto &rule : service_.quota().metric_rules()) {
+    auto method = utils::FindOrNull(method_map_, rule.selector());
+    if (method) {
+      for (auto &metric_cost : rule.metric_costs()) {
+        (*method)->add_metric_cost(metric_cost.first, metric_cost.second);
+      }
+    } else {
+      env->LogError("Metric rule with selector " + rule.selector() +
+                    "is mismatched.");
+      return false;
+    }
+  }
+
+  return true;
+}
+
 bool Config::LoadHttpMethods(ApiManagerEnvInterface *env,
                              PathMatcherBuilder *pmb) {
   std::set<std::string> all_urls, urls_with_options;
@@ -443,6 +460,9 @@ std::unique_ptr<Config> Config::Create(ApiManagerEnvInterface *env,
   if (!config->LoadBackends(env)) {
     return nullptr;
   }
+  if (!config->LoadQuotaRule(env)) {
+    return nullptr;
+  }
   return config;
 }
 
diff --git a/contrib/endpoints/src/api_manager/config.h b/contrib/endpoints/src/api_manager/config.h
index 9a56d16d745..53c6cf39f2c 100644
--- a/contrib/endpoints/src/api_manager/config.h
+++ b/contrib/endpoints/src/api_manager/config.h
@@ -111,6 +111,8 @@ class Config {
   // Load SystemParameters info to MethodInfo.
   bool LoadSystemParameters(ApiManagerEnvInterface *env);
 
+  bool LoadQuotaRule(ApiManagerEnvInterface *env);
+
   // Gets the MethodInfoImpl creating it if necessary
   MethodInfoImpl *GetOrCreateMethodInfoImpl(const std::string &name,
                                             const std::string &api_name,
diff --git a/contrib/endpoints/src/api_manager/method_impl.h b/contrib/endpoints/src/api_manager/method_impl.h
index e5739d639bc..d6eaba33724 100644
--- a/contrib/endpoints/src/api_manager/method_impl.h
+++ b/contrib/endpoints/src/api_manager/method_impl.h
@@ -18,6 +18,7 @@
 #include <map>
 #include <memory>
 #include <set>
+#include <vector>
 
 #include "contrib/endpoints/include/api_manager/method.h"
 #include "contrib/endpoints/src/api_manager/utils/stl_util.h"
@@ -62,6 +63,10 @@ class MethodInfoImpl : public MethodInfo {
 
   const std::string &backend_address() const { return backend_address_; }
 
+  const std::vector<std::pair<std::string, int>> &metric_cost_vector() const {
+    return metric_cost_vector_;
+  }
+
   const std::string &rpc_method_full_name() const {
     return rpc_method_full_name_;
   }
@@ -90,6 +95,10 @@ class MethodInfoImpl : public MethodInfo {
     url_query_parameters_[name].push_back(url_query_parameter);
   }
 
+  void add_metric_cost(const std::string &metric, int64_t cost) {
+    metric_cost_vector_.push_back(std::make_pair(metric, cost));
+  }
+
   // After add all system parameters, lookup some of them to cache
   // their lookup results.
   void process_system_parameters();
@@ -139,13 +148,13 @@ class MethodInfoImpl : public MethodInfo {
   // such as API Key)?
   bool allow_unregistered_calls_;
   // Issuers to allowed audiences map.
-  std::map<std::string, std::set<std::string> > issuer_audiences_map_;
+  std::map<std::string, std::set<std::string>> issuer_audiences_map_;
 
   // system parameter map of parameter name to http_header name.
-  std::map<std::string, std::vector<std::string> > http_header_parameters_;
+  std::map<std::string, std::vector<std::string>> http_header_parameters_;
 
   // system parameter map of parameter name to url query parameter name.
-  std::map<std::string, std::vector<std::string> > url_query_parameters_;
+  std::map<std::string, std::vector<std::string>> url_query_parameters_;
 
   // all the names of system query parameters
   std::set<std::string> system_query_parameter_names_;
@@ -175,6 +184,9 @@ class MethodInfoImpl : public MethodInfo {
 
   // Whether the response is streaming or not.
   bool response_streaming_;
+
+  // map of metric and its cost
+  std::vector<std::pair<std::string, int>> metric_cost_vector_;
 };
 
 typedef std::unique_ptr<MethodInfoImpl> MethodInfoImplPtr;