diff --git a/src/openapi/products/purchased_products-crud.yaml b/src/openapi/products/purchased_products-crud.yaml
index 7bacd3b..82cc135 100644
--- a/src/openapi/products/purchased_products-crud.yaml
+++ b/src/openapi/products/purchased_products-crud.yaml
@@ -598,6 +598,166 @@ paths:
                 {
                   "purchasedGboProductId": "a9b3dea5-fb8a-4b1e-9fe6-90cad31c0cfd",
                 }
+  /purchasedproducts/{purchasedProductId}/issuedvouchers:
+    parameters:
+      - in: path
+        name: purchasedProductId
+        schema:
+          type: string
+          format: uuid
+          example: 058a1af7-897f-45d5-b691-9cc9161e387f
+        required: true
+        description: The id of the purchased product to process.
+    post:
+      tags:
+        - Issued Voucher
+      summary: Add an issued voucher.
+      description: Add an issued voucher.
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/unavailable"
+            example:
+              {
+                "voucherCode": "VOUCHER123",
+                "voucherStatusId": 1,
+                "voucherClaims":
+                  [
+                    {
+                      "mandatoryCustomerDataItemId": 8,
+                      "claimValue": "1999-12-31",
+                    },
+                    {
+                      "mandatoryCustomerDataItemId": 4,
+                      "claimValue": "vlad.harkonnen@househarkonnen.net",
+                    },
+                  ],
+              }
+      responses:
+        "201":
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/unavailable"
+              example:
+                {
+                  "issuedVoucherId": "d4e5f6a7-b8c9-0d1e-2f3a-4b5c6d7e8f90",
+                }
+  /issuedvouchers:
+    get:
+      tags:
+        - Issued Voucher
+      summary: Find issued vouchers.
+      description: Find issued vouchers.
+      parameters:
+        - in: query
+          name: issuedVoucherId
+          schema:
+            type: string
+            format: uuid
+            example: d4e5f6a7-b8c9-0d1e-2f3a-4b5c6d7e8f90
+          description: The id of the issued voucher.
+        - in: query
+          name: purchasedProductId
+          schema:
+            type: string
+            format: uuid
+            example: 058a1af7-897f-45d5-b691-9cc9161e387f
+          description: The id of the purchased product.
+        - in: query
+          name: voucherCode
+          schema:
+            type: string
+            example: VOUCHER123
+          description: The code of the voucher.
+        - in: query
+          name: voucherStatusId
+          schema:
+            type: array
+            items:
+              type: integer
+          explode: false
+          required: false
+          description: The status id of the voucher.
+      responses:
+        "200": 
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/unavailable"
+              example:
+                {
+                  "issuedVouchers":
+                    [
+                      {
+                        "issuedVoucherId": "d4e5f6a7-b8c9-0d1e-2f3a-4b5c6d7e8f90",
+                        "purchasedProductId": "058a1af7-897f-45d5-b691-9cc9161e387f",
+                        "voucherCode": "VOUCHER123",
+                        "voucherStatus": {
+                          "voucherStatusId": 1,
+                          "name": "New",
+                        },
+                        "voucherClaims":
+                          [
+                            {
+                              "mandatoryCustomerDataItem":
+                                {
+                                  "mandatoryCustomerDataItemId": 8,
+                                  "customerDataItem": "padBirthDate",
+                                },
+                              "claimValue": "1999-12-31",
+                            },
+                            {
+                              "mandatoryCustomerDataItem": {
+                                  "mandatoryCustomerDataItemId": 4,
+                                  "customerDataItem": "emailAddress",
+                                },
+                              "claimValue": "vlad.harkonnen@househarkonnen.net",
+                            },
+                          ],
+                      },
+                    ]
+                }
+  /issuedvouchers/{issuedVoucherId}:
+    parameters:
+      - in: path
+        name: issuedVoucherId
+        schema:
+          type: string
+          format: uuid
+          example: d4e5f6a7-b8c9-0d1e-2f3a-4b5c6d7e8f90
+        required: true
+        description: The id of the issued voucher to process.
+    patch:
+      tags:
+        - Issued Voucher
+      summary: Update an issued voucher.
+      description: Update an issued voucher.
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/unavailable"
+            example:
+              {
+                "voucherStatusId": 2,
+              }
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/unavailable"
+              example:
+                {
+                  "issuedVoucherId": "d4e5f6a7-b8c9-0d1e-2f3a-4b5c6d7e8f90",
+                }        
 components:
   securitySchemes:
     bearerToken: