--- a/docs/apidoc.rst	Wed Aug 16 09:29:08 2023 +0200
+++ b/docs/apidoc.rst	Wed Aug 16 11:31:31 2023 +0200
@@ -30,22 +30,96 @@
 
    .. autoclass:: Configuration
       :members:
-      :exclude-members: py_getvarl, py_getvarl_s, py_interpolate_variables
+      :exclude-members: getvar, py_getvar, fast_getvar,
+                        getvar_s, py_getvar_s, fast_getvar_s,
+                        getvarl, py_getvarl, fast_getvarl,
+                        getvarl_s, py_getvarl_s, fast_getvarl_s,
+                        interpolate_variables, py_interpolate_variables,
+                        fast_interpolate_variables
       :undoc-members:
       :special-members: __getitem__, __getattr__, __contains__
 
+      .. method:: getvar
+
+         For documentation and the signature see :meth:`py_getvar`.
+
+         This method is an alias of :func:`py_getvar` or
+         :func:`fast_getvar` -- depending on the availability of the
+         :mod:`configmix._speedups` module.
+
+      .. automethod:: py_getvar
+
+         Pure-Python implementation.
+
+      .. method:: fast_getvar
+
+         Implemented in C in :mod:`configmix._speedups`.
+
+      .. method:: getvar_s
+
+         For documentation and the signature see :meth:`py_getvar_s`.
+
+         This method is an alias of :func:`py_getvar_s` or
+         :func:`fast_getvar_s` -- depending on the availability of the
+         :mod:`configmix._speedups` module.
+
+      .. automethod:: py_getvar_s
+
+         Pure-Python implementation.
+
+      .. method:: fast_getvar_s
+
+         Implemented in C in :mod:`configmix._speedups`.
+
+      .. method:: getvarl
+
+         For documentation and the signature see :meth:`py_getvarl`.
+
+         This method is an alias of :func:`py_getvarl` or
+         :func:`fast_getvarl` -- depending on the availability of the
+         :mod:`configmix._speedups` module.
+
       .. automethod:: py_getvarl
 
          Pure-Python implementation.
 
+      .. method:: fast_getvarl
+
+         Implemented in C in :mod:`configmix._speedups`.
+
+      .. method:: getvarl_s
+
+         For documentation and the signature see :meth:`py_getvarl_s`.
+
+         This method is an alias of :func:`py_getvarl_s` or
+         :func:`fast_getvarl_s` -- depending on the availability of the
+         :mod:`configmix._speedups` module.
+
       .. automethod:: py_getvarl_s
 
          Pure-Python implementation.
 
+      .. method:: fast_getvarl_s
+
+         Implemented in C in :mod:`configmix._speedups`.
+
+      .. method:: interpolate_variables
+
+         For documentation and the signature see
+         :meth:`py_interpolate_variables`.
+
+         This method is an alias of :func:`py_interpolate_variables`
+         or :func:`fast_interpolate_variables` -- depending on the
+         availability of the :mod:`configmix._speedups` module.
+
       .. automethod:: py_interpolate_variables
 
          Pure-Python implementation.
 
+      .. method:: fast_interpolate_variables
+
+         Implemented in C in :mod:`configmix._speedups`.
+
    .. autoclass:: CoercingMethodsMixin
       :members:
       :undoc-members: