diff --git a/src/openapi/contracts/contracts-se.yaml b/src/openapi/contracts/contracts-se.yaml
index b4c2e83..0fb6b31 100644
--- a/src/openapi/contracts/contracts-se.yaml
+++ b/src/openapi/contracts/contracts-se.yaml
@@ -292,7 +292,7 @@ paths:
           example: 9e224750-3065-471d-af57-85b9cffa7c89
         required: true
         description: The id of the contract to process.
-    get:
+    post:
       summary: Validate a cancellation for a given contract.
       description: Validate a cancellation for a given contract.
       tags: