diff --git a/specification/eligibility-signposting-api.yaml b/specification/eligibility-signposting-api.yaml
index d42e821..1b7cf6c 100644
--- a/specification/eligibility-signposting-api.yaml
+++ b/specification/eligibility-signposting-api.yaml
@@ -1439,6 +1439,7 @@ components:
   securitySchemes:
     $ref: "components/security/security.yaml"
 x-nhsd-apim:
+  productidcheck: true
   monitoring: true
   access:
     $ref: "x-nhsd-apim/access.yaml"