diff --git a/doc/api.rst b/doc/api.rst
index 8c1ecf5b..19f5ce17 100644
--- a/doc/api.rst
+++ b/doc/api.rst
@@ -17,6 +17,7 @@ The {fmt} library API consists of the following parts:
 * :ref:`fmt/color.h <color-api>`: terminal color and text style
 * :ref:`fmt/os.h <os-api>`: system APIs
 * :ref:`fmt/ostream.h <ostream-api>`: ``std::ostream`` support
+* :ref:`fmt/args.h <args-api>`: dynamic format arguments
 * :ref:`fmt/printf.h <printf-api>`: ``printf`` formatting
 * :ref:`fmt/xchar.h <xchar-api>`: optional ``wchar_t`` support 
 
@@ -604,6 +605,17 @@ In order to make a type formattable via ``std::ostream`` you should provide a
 
 .. doxygenfunction:: print(std::ostream &os, format_string<T...> fmt, T&&... args)
 
+.. _args-api:
+
+Dynamic Format Arguments
+========================
+
+The header ``fmt/args.h`` provides ``dynamic_format_arg_store``, a builder-like
+API that can be used to construct format argument lists dynamically.
+
+.. doxygenclass:: fmt::dynamic_format_arg_store
+   :members:
+
 .. _printf-api:
 
 ``printf`` Formatting