diff --git a/API.md b/API.md
index eb08c93e..c9a9c94a 100644
--- a/API.md
+++ b/API.md
@@ -13,7 +13,7 @@ Current websites using this API:
 - https://npm.taobao.org
 - https://bestofjs.org
 - https://socket.dev
-- picocolors
+- [picocolors-size-benchmark](https://github.com/alexeyraspopov/picocolors/pull/76)
 
 ## Endpoints