diff --git a/pull/include/prometheus/exposer.h b/pull/include/prometheus/exposer.h
index c730360..3d070c5 100644
--- a/pull/include/prometheus/exposer.h
+++ b/pull/include/prometheus/exposer.h
@@ -5,6 +5,7 @@
 #include <memory>
 #include <string>
 #include <vector>
+#include <functional>

 #include "prometheus/collectable.h"
 #include "prometheus/detail/pull_export.h"
@@ -16,6 +17,7 @@ namespace prometheus {

 namespace detail {
 class MetricsHandler;
+class SerialMetricsHandler;
 }  // namespace detail

 class PROMETHEUS_CPP_PULL_EXPORT Exposer {
@@ -34,4 +36,18 @@ class PROMETHEUS_CPP_PULL_EXPORT Exposer {
   std::string uri_;
 };

+class SerialExposer {
+public:
+	explicit SerialExposer(const std::function<void()> update_callback = std::function<void()> {});
+	std::pair<std::map<std::string, std::string>, std::string>
+	operator()(const std::map<std::string, std::string>& req_headers);
+	void RegisterCollectable(const std::weak_ptr<Collectable>& collectable);
+	~SerialExposer();
+
+private:
+	std::vector<std::weak_ptr<Collectable>> collectables_;
+	std::shared_ptr<Registry> exposer_registry_;
+	std::unique_ptr<detail::SerialMetricsHandler> metrics_handler_;
+};
+
 }  // namespace prometheus
diff --git a/pull/src/exposer.cc b/pull/src/exposer.cc
index 966d04a..17f7ef3 100644
--- a/pull/src/exposer.cc
+++ b/pull/src/exposer.cc
@@ -30,4 +30,29 @@ void Exposer::RegisterCollectable(
     const std::weak_ptr<Collectable>& collectable) {
   collectables_.push_back(collectable);
 }
+
+SerialExposer::SerialExposer(
+	const std::function<void()> update_callback
+) :
+	exposer_registry_(std::make_shared<Registry>()),
+	metrics_handler_(new detail::SerialMetricsHandler {
+		collectables_, *exposer_registry_, update_callback
+	})
+{
+	RegisterCollectable(exposer_registry_);
+}
+
+SerialExposer::~SerialExposer() {}
+
+std::pair<std::map<std::string, std::string>, std::string>
+SerialExposer::operator()(const std::map<std::string, std::string>& req_headers) {
+	return (*this->metrics_handler_)(req_headers);
+}
+
+void SerialExposer::RegisterCollectable(
+	const std::weak_ptr<Collectable>& collectable
+) {
+	collectables_.push_back(collectable);
+}
+
 }  // namespace prometheus
diff --git a/pull/src/handler.cc b/pull/src/handler.cc
index ea94365..d04758f 100644
--- a/pull/src/handler.cc
+++ b/pull/src/handler.cc
@@ -150,5 +150,124 @@ std::vector<MetricFamily> MetricsHandler::CollectMetrics() const {

   return collected_metrics;
 }
+
+//////////////////////////////////////////////////////
+///          Serial Metrics Handler                ///
+//////////////////////////////////////////////////////
+
+SerialMetricsHandler::SerialMetricsHandler(
+	const std::vector<std::weak_ptr<Collectable>>& collectables,
+	Registry& registry,
+	const std::function<void()> update_callback)
+:
+	collectables_(collectables),
+	bytes_transferred_family_(
+	BuildCounter()
+		.Name("exposer_transferred_bytes_total")
+		.Help("Transferred bytes to metrics services")
+		.Register(registry)),
+	bytes_transferred_(bytes_transferred_family_.Add({})),
+	num_scrapes_family_(BuildCounter()
+		.Name("exposer_scrapes_total")
+		.Help("Number of times metrics were scraped")
+		.Register(registry)),
+	num_scrapes_(num_scrapes_family_.Add({})),
+	request_latencies_family_(
+	BuildSummary()
+		.Name("exposer_request_latencies")
+		.Help("Latencies of serving scrape requests, in microseconds")
+		.Register(registry)),
+	request_latencies_(request_latencies_family_.Add(
+		{}, Summary::Quantiles{{0.5, 0.05}, {0.9, 0.01}, {0.99, 0.001}})),
+	update_callback_(update_callback)
+{}
+
+std::vector<MetricFamily> SerialMetricsHandler::CollectMetrics() const {
+  auto collected_metrics = std::vector<MetricFamily>{};
+
+  for (auto&& wcollectable : collectables_) {
+    auto collectable = wcollectable.lock();
+    if (!collectable) {
+      continue;
+    }
+
+    auto&& metrics = collectable->Collect();
+    collected_metrics.insert(collected_metrics.end(),
+                             std::make_move_iterator(metrics.begin()),
+                             std::make_move_iterator(metrics.end()));
+  }
+
+  return collected_metrics;
+}
+
+using std::pair;
+using std::vector;
+using std::string;
+using std::map;
+
+#ifdef HAVE_ZLIB
+static bool IsEncodingAccepted(const map<string, string>& headers, string encoding) {
+	auto accept_encoding = headers.find("Accept-Encoding");
+	if (accept_encoding == headers.end()) {
+		return false;
+	}
+	return accept_encoding->second == encoding;
+}
+#endif
+
+static pair<map<string, string>, std::string> WriteResponse(
+	const std::map<std::string, std::string>& req_headers,
+	const std::string& body
+) {
+	map<string, string> headers {};
+
+	headers.insert({ "Content-Type", "text/plain" });
+
+#ifdef HAVE_ZLIB
+	auto acceptsGzip = IsEncodingAccepted(req_headers, "gzip");
+
+	if (acceptsGzip) {
+		auto compressed = GZipCompress(body);
+
+		if (!compressed.empty()) {
+			headers.insert({"Content-Encoding", "gzip"});
+			headers.insert({"Content-Length", std::to_string(static_cast<unsigned long>(compressed.size()))});
+
+			// Convert the vector<BYTE> into std::string
+			std::string res_body { compressed.begin(), compressed.end() };
+
+			return { headers, res_body };
+		}
+	}
+#endif
+	headers.insert({"Content-Length", std::to_string(static_cast<unsigned long>(body.size()))});
+
+	return { headers, body };
+}
+
+pair<map<string, string>, string> SerialMetricsHandler::operator()(
+	const map<string, string>& req_headers
+) {
+	auto start_time_of_request = std::chrono::steady_clock::now();
+
+	// Execute the callback updating the metrics
+	this->update_callback_();
+
+	auto metrics = CollectMetrics();
+	auto serializer = std::unique_ptr<Serializer>{ new TextSerializer() };
+	auto headers_body = WriteResponse(req_headers, serializer->Serialize(metrics));
+
+	auto stop_time_of_request = std::chrono::steady_clock::now();
+	auto duration = std::chrono::duration_cast<std::chrono::microseconds>(
+		stop_time_of_request - start_time_of_request
+	);
+
+	request_latencies_.Observe(duration.count());
+	bytes_transferred_.Increment(headers_body.second.size());
+	num_scrapes_.Increment();
+
+	return headers_body;
+}
+
 }  // namespace detail
 }  // namespace prometheus
diff --git a/pull/src/handler.h b/pull/src/handler.h
index 112267a..d603369 100644
--- a/pull/src/handler.h
+++ b/pull/src/handler.h
@@ -2,8 +2,9 @@

 #include <memory>
 #include <vector>
-
+#include <functional>
 #include "CivetServer.h"
+
 #include "prometheus/counter.h"
 #include "prometheus/registry.h"
 #include "prometheus/summary.h"
@@ -27,6 +28,35 @@ class MetricsHandler : public CivetHandler {
   Counter& num_scrapes_;
   Family<Summary>& request_latencies_family_;
   Summary& request_latencies_;
+  std::function<void()> update_callback_ {};
+};
+
+//////////////////////////////////////////////////////
+///          Serial Metrics Handler                ///
+//////////////////////////////////////////////////////
+
+class SerialMetricsHandler {
+ public:
+  SerialMetricsHandler(
+    const std::vector<std::weak_ptr<Collectable>>& collectables,
+    Registry& registry,
+    const std::function<void()> update_callback = std::function<void()> {}
+  );
+
+  std::pair<std::map<std::string, std::string>, std::string>
+  operator()(const std::map<std::string, std::string>& req_headers);
+
+ private:
+  std::vector<MetricFamily> CollectMetrics() const;
+
+  const std::vector<std::weak_ptr<Collectable>>& collectables_;
+  Family<Counter>& bytes_transferred_family_;
+  Counter& bytes_transferred_;
+  Family<Counter>& num_scrapes_family_;
+  Counter& num_scrapes_;
+  Family<Summary>& request_latencies_family_;
+  Summary& request_latencies_;
+  std::function<void()> update_callback_ {};
 };
 }  // namespace detail
 }  // namespace prometheus