diff --git a/src/technologies/c.json b/src/technologies/c.json
index 3a494803c..3f4f3a6c7 100644
--- a/src/technologies/c.json
+++ b/src/technologies/c.json
@@ -1828,6 +1828,7 @@
     "description": "Customer.io is an automated messaging platform for marketers.",
     "icon": "Customer.io.png",
     "saas": true,
+    "pricing": ["recurring", "medium"],
     "scripts": "assets\\.customer\\.io",
     "website": "https://customer.io/"
   },
@@ -1939,4 +1940,4 @@
     "oss": true,
     "website": "https://github.com/zloirock/core-js"
   }
-}
\ No newline at end of file
+}