diff --git a/src/http/include/sourcemeta/hydra/http_request.h b/src/http/include/sourcemeta/hydra/http_request.h
index 1411d8ef..b6b1e5ce 100644
--- a/src/http/include/sourcemeta/hydra/http_request.h
+++ b/src/http/include/sourcemeta/hydra/http_request.h
@@ -26,6 +26,8 @@ class SOURCEMETA_HYDRA_HTTP_EXPORT Request {
   auto capture(std::string header) -> void;
   auto capture(std::initializer_list<std::string> headers) -> void;
   auto header(std::string_view key, std::string_view value) -> void;
+  auto header(std::string_view key, int value) -> void;
+
   auto send() -> std::future<Response>;
 
 private:
diff --git a/src/http/include/sourcemeta/hydra/http_stream.h b/src/http/include/sourcemeta/hydra/http_stream.h
index 6eb1c554..94d96130 100644
--- a/src/http/include/sourcemeta/hydra/http_stream.h
+++ b/src/http/include/sourcemeta/hydra/http_stream.h
@@ -34,6 +34,7 @@ class SOURCEMETA_HYDRA_HTTP_EXPORT Stream {
 
   auto method(const Method method) noexcept -> void;
   auto header(std::string_view key, std::string_view value) -> void;
+  auto header(std::string_view key, int value) -> void;
   auto send() -> std::future<Status>;
 
   using DataCallback =
diff --git a/src/http/request.cc b/src/http/request.cc
index 6ee7838b..fb093c2d 100644
--- a/src/http/request.cc
+++ b/src/http/request.cc
@@ -35,6 +35,10 @@ auto Request::header(std::string_view key, std::string_view value) -> void {
   this->stream.header(key, value);
 }
 
+auto Request::header(std::string_view key, int value) -> void {
+  this->stream.header(key, value);
+}
+
 auto Request::send() -> std::future<Response> {
   std::ostringstream output;
   this->stream.on_data(
diff --git a/src/http/stream_curl.cc b/src/http/stream_curl.cc
index 3db2d5c1..2cbe795e 100644
--- a/src/http/stream_curl.cc
+++ b/src/http/stream_curl.cc
@@ -205,6 +205,10 @@ auto Stream::header(std::string_view key, std::string_view value) -> void {
       curl_slist_append(this->internal->headers, result.c_str());
 }
 
+auto Stream::header(std::string_view key, int value) -> void {
+  this->header(key, std::to_string(value));
+}
+
 auto Stream::send() -> std::future<Status> {
   switch (this->internal->method) {
     case Method::GET: