diff --git a/recorder.h b/recorder.h
index d290cdf..e73b379 100644
--- a/recorder.h
+++ b/recorder.h
@@ -31,6 +31,18 @@ extern "C" {
 #endif // __cplusplus
 
 
+// ============================================================================
+//
+//   Information about the API
+//
+// ============================================================================
+
+#define RECORDER_CURRENT_VERSION                RECORDER_VERSION(1,0)
+#define RECORDER_VERSION(major,minor)           ((major)<<16|(minor))
+#define RECORDER_VERSION_MAJOR(version)         (((version) >> 16) & 0xFFFF)
+#define RECORDER_VERSION_MINOR(version)         ((version) & 0xFFFF)
+
+
 
 // ============================================================================
 //
diff --git a/recorder_test.c b/recorder_test.c
index 4b2cde7..381d0ca 100644
--- a/recorder_test.c
+++ b/recorder_test.c
@@ -127,6 +127,13 @@ void flight_recorder_test(int argc, char **argv)
     uintptr_t count = argc >= 2 ? atoi(argv[1]) : 16;
     unsigned howLong = argc >= 3 ? atoi(argv[2]) : 1;
 
+    INFO("Testing recorder version %u.%u",
+         RECORDER_VERSION_MAJOR(RECORDER_CURRENT_VERSION),
+         RECORDER_VERSION_MINOR(RECORDER_CURRENT_VERSION));
+    if (RECORDER_CURRENT_VERSION > RECORDER_VERSION(1,0))
+        FAIL("Testing an unexpected version of the recorder, "
+             "update RECORDER_CURRENT_VERSION");
+
     for (i = 0; i < 2; i++)
     {
         recorder_count = 0;