diff --git a/include/proto/fcgi-app.h b/include/proto/fcgi-app.h
new file mode 100644
index 0000000..aad0d61
--- /dev/null
+++ b/include/proto/fcgi-app.h
@@ -0,0 +1,44 @@
+/*
+ * include/proto/fcgi-app.h
+ * This file defines function prototypes for FCGI applications.
+ *
+ * Copyright (C) 2019 HAProxy Technologies, Christopher Faulet <cfaulet@haproxy.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _PROTO_HTTP_FCGI_H
+#define _PROTO_HTTP_FCGI_H
+
+#include <common/htx.h>
+
+#include <types/fcgi-app.h>
+#include <types/proxy.h>
+#include <types/stream.h>
+
+struct fcgi_app *fcgi_app_find_by_name(const char *name);
+struct fcgi_flt_conf *find_px_fcgi_conf(struct proxy *px);
+struct fcgi_flt_ctx *find_strm_fcgi_ctx(struct stream *s);
+struct fcgi_app *get_px_fcgi_app(struct proxy *px);
+struct fcgi_app *get_strm_fcgi_app(struct stream *s);
+
+#endif /* _PROTO_HTTP_FCGI_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */