diff -r db8299984bfe -r 6a842bd49fea src/cx/hash_key.h
--- a/src/cx/hash_key.h	Mon Dec 22 15:47:59 2025 +0100
+++ b/src/cx/hash_key.h	Mon Dec 22 16:12:20 2025 +0100
@@ -236,6 +236,14 @@
 cx_attr_nodiscard cx_attr_nonnull
 CX_EXPORT int cx_hash_key_cmp(const void *left, const void *right);
 
+/**
+ * Interprets the key data as a string and returns it.
+ *
+ * @param key the key
+ * @return the key data as a string
+ */
+CX_EXPORT cxstring cx_hash_key_as_string(const CxHashKey *key);
+
 #ifdef __cplusplus
 } // extern "C"