diff --git a/docs/api-dev.md b/docs/api-dev.md
new file mode 100644
index 00000000..c111f031
--- /dev/null
+++ b/docs/api-dev.md
@@ -0,0 +1,6 @@
+?> This is the next version of the API currently in development. For the previously released API version, see [API](api.md).
+
+[sc4pac-tools-api](https://raw.githubusercontent.com/memo33/sc4pac-tools/api/api.md ':include')
+
+---
+Next up: [Adding metadata](metadata.md)
diff --git a/docs/api.md b/docs/api.md
index f630dc11..c04283c6 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -1,5 +1,7 @@
 ?> This documentation page is for developers. Skip to the next page: [Adding metadata](metadata.md).
 
+!> A new version of the API is currently in development. See [API (development version)](api-dev.md).
+
 [sc4pac-tools-api](https://raw.githubusercontent.com/memo33/sc4pac-tools/main/api.md ':include')
 
 <!-- [sc4pac-tools-api](sc4pac-tools-api.md ':include') -->