diff --git a/samples/client/petstore/k6/script.js b/samples/client/petstore/k6/script.js
index 74c9e49dee1..e17a17b3bf7 100644
--- a/samples/client/petstore/k6/script.js
+++ b/samples/client/petstore/k6/script.js
@@ -54,7 +54,42 @@ export default function() {
             sleep(SLEEP_DURATION);
         }
 
-        // Request No. 2: testClientModel
+        // Request No. 2: testEndpointParameters
+        {
+            let url = BASE_URL + `/fake`;
+            // TODO: edit the parameters of the request body.
+            let body = {"integer": "integer", "int32": "integer", "int64": "long", "number": "bigdecimal", "float": "float", "double": "double", "string": "string", "patternWithoutDelimiter": "string", "byte": "byte[]", "binary": http.file(open("/path/to/file.bin", "b"), "test.bin"), "date": "date", "dateTime": "date", "password": "string", "callback": "string"};
+            let params = {
+                headers: {
+                    "Content-Type": "application/x-www-form-urlencoded", "global_api_key_header": `${globalApiKeyHeader}`, "Accept": "application/json"
+                }, cookies: {
+                    "global_api_key_cookie": `${globalApiKeyCookie}`
+                }
+            };
+            let request = http.post(url, JSON.stringify(body), params);
+
+
+            sleep(SLEEP_DURATION);
+        }
+
+        // Request No. 3: testGroupParameters
+        {
+            let url = BASE_URL + `/fake?required_string_group=${required_string_group}&required_int64_group=${required_int64_group}&string_group=${string_group}&int64_group=${int64_group}`;
+            let params = {
+                headers: {
+                    "required_boolean_group": `${requiredBooleanGroup}`, "boolean_group": `${booleanGroup}`, "global_api_key_header": `${globalApiKeyHeader}`, "Accept": "application/json"
+                }, cookies: {
+                    "global_api_key_cookie": `${globalApiKeyCookie}`
+                }
+            };
+            // this is a DELETE method request - if params are also set, empty body must be passed
+            let request = http.del(url, {} , params);
+
+
+            sleep(SLEEP_DURATION);
+        }
+
+        // Request No. 4: testClientModel
         {
             let url = BASE_URL + `/fake`;
             // TODO: edit the parameters of the request body.
@@ -203,7 +238,25 @@ export default function() {
             sleep(SLEEP_DURATION);
         }
 
-        // Request No. 2: deleteUser
+        // Request No. 2: updateUser
+        {
+            let url = BASE_URL + `/user/${username}`;
+            // TODO: edit the parameters of the request body.
+            let body = {"id": "long", "username": "string", "firstName": "string", "lastName": "string", "email": "string", "password": "string", "phone": "string", "userStatus": "integer"};
+            let params = {
+                headers: {
+                    "Content-Type": "application/json", "global_api_key_header": `${globalApiKeyHeader}`, "Accept": "application/json"
+                }, cookies: {
+                    "global_api_key_cookie": `${globalApiKeyCookie}`
+                }
+            };
+            let request = http.put(url, JSON.stringify(body), params);
+
+
+            sleep(SLEEP_DURATION);
+        }
+
+        // Request No. 3: deleteUser
         {
             let url = BASE_URL + `/user/${username}`;
             let params = {
@@ -474,7 +527,28 @@ export default function() {
             sleep(SLEEP_DURATION);
         }
 
-        // Request No. 2: deletePet
+        // Request No. 2: updatePetWithForm
+        {
+            let url = BASE_URL + `/pet/${petId}`;
+            // TODO: edit the parameters of the request body.
+            let body = {"name": "string", "status": "string"};
+            let params = {
+                headers: {
+                    "Content-Type": "application/x-www-form-urlencoded", "global_api_key_header": `${globalApiKeyHeader}`, "Accept": "application/json"
+                }, cookies: {
+                    "global_api_key_cookie": `${globalApiKeyCookie}`
+                }
+            };
+            let request = http.post(url, JSON.stringify(body), params);
+
+            check(request, {
+                "Successful operation": (r) => r.status === 200
+            });
+
+            sleep(SLEEP_DURATION);
+        }
+
+        // Request No. 3: deletePet
         {
             let url = BASE_URL + `/pet/${petId}`;
             let params = {