diff --git a/validation/api/src/lib.rs b/validation/api/src/lib.rs
index 975d595..fdd1d22 100644
--- a/validation/api/src/lib.rs
+++ b/validation/api/src/lib.rs
@@ -12,3 +12,4 @@ pub mod external;
 //lazy reexports
 pub use types::Error;
 pub type ReqwestError=reqwest::Error;
+pub type CookieError=reqwest::header::InvalidHeaderValue;