diff --git a/src/ragged/common/_const.py b/src/ragged/common/_const.py
new file mode 100644
index 0000000..362ee71
--- /dev/null
+++ b/src/ragged/common/_const.py
@@ -0,0 +1,11 @@
+# BSD 3-Clause License; see https://github.com/scikit-hep/ragged/blob/main/LICENSE
+
+"""
+https://data-apis.org/array-api/latest/API_specification/constants.html
+"""
+
+from __future__ import annotations
+
+from numpy import e, inf, nan, newaxis, pi
+
+__all__ = ["e", "inf", "nan", "newaxis", "pi"]
diff --git a/src/ragged/v202212/_const.py b/src/ragged/v202212/_const.py
new file mode 100644
index 0000000..d55ef49
--- /dev/null
+++ b/src/ragged/v202212/_const.py
@@ -0,0 +1,11 @@
+# BSD 3-Clause License; see https://github.com/scikit-hep/ragged/blob/main/LICENSE
+
+"""
+https://data-apis.org/array-api/2022.12/API_specification/constants.html
+"""
+
+from __future__ import annotations
+
+from ..common._const import e, inf, nan, newaxis, pi
+
+__all__ = ["e", "inf", "nan", "newaxis", "pi"]