diff --git a/src/openapi/contracts/contracts-se.yaml b/src/openapi/contracts/contracts-se.yaml
index 1a1530b..b4c2e83 100644
--- a/src/openapi/contracts/contracts-se.yaml
+++ b/src/openapi/contracts/contracts-se.yaml
@@ -322,6 +322,52 @@ paths:
                   "refundAmount": "2489",
                   "refundMethods": [ "creditInvoice", "iDeal" ]
                 }
+  /contracts/{contractId}/cancellation:
+    parameters:
+      - in: header
+        name: X-HTM-JWT-AUTH-HEADER
+        schema:
+          type: string
+          example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
+        required: true
+        description: The JWT of the logged in customer.
+      - in: path
+        name: contractId
+        schema:
+          type: string
+          format: uuid
+          example: 9e224750-3065-471d-af57-85b9cffa7c89
+        required: true
+        description: The id of the contract to process.
+    post:
+      summary: Cancel a contract.
+      description: Cancel a contract.
+      tags:
+        - SE Contract Cancellation v2
+      requestBody:
+        required: true
+        content: 
+          application/json:
+            schema:
+              $ref: "#/components/schemas/unavailable"
+            example:
+              {
+                "end": "2024-08-10T00:00:00",
+                "refundMethod": "creditInvoice"
+              }
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/unavailable"
+              example:
+                {
+                  "end": "2024-08-10T03:59:59",
+                  "refundAmount": "2489",
+                  "refundMethod": "creditInvoice"
+                }
 components:
   securitySchemes:
     bearerToken: