diff --git a/gtsam/inference/EdgeKey.h b/gtsam/inference/EdgeKey.h
index bf1bf6030..3d95e4c06 100644
--- a/gtsam/inference/EdgeKey.h
+++ b/gtsam/inference/EdgeKey.h
@@ -46,7 +46,10 @@ class GTSAM_EXPORT EdgeKey {
   /// @{
 
   /// Cast to Key
-  operator Key() const { return ((std::uint64_t)i_ << 32) | j_; }
+  Key key() const { return ((std::uint64_t)i_ << 32) | j_; }
+
+  /// Cast to Key
+  operator Key() const { return key(); }
 
   /// Retrieve high 32 bits
   inline std::uint32_t i() const { return i_; }
diff --git a/gtsam/inference/inference.i b/gtsam/inference/inference.i
index b25e2fd62..5084355a8 100644
--- a/gtsam/inference/inference.i
+++ b/gtsam/inference/inference.i
@@ -96,6 +96,19 @@ unsigned char mrsymbolChr(size_t key);
 unsigned char mrsymbolLabel(size_t key);
 size_t mrsymbolIndex(size_t key);
 
+#include <gtsam/inference/EdgeKey.h>
+class EdgeKey {
+  EdgeKey(std::uint32_t i, std::uint32_t j);
+  EdgeKey(size_t key);
+  EdgeKey(const gtsam::EdgeKey& key);
+
+  std::uint32_t i() const;
+  std::uint32_t j() const;
+  size_t key() const;
+
+  void print(string s = "") const;
+};
+
 #include <gtsam/inference/Ordering.h>
 class Ordering {
   /// Type of ordering to use