diff --git a/spring-rest-http/src/main/java/com/baeldung/jsonparam/JsonParamController.java b/spring-rest-http/src/main/java/com/baeldung/jsonparam/JsonParamController.java
deleted file mode 100644
index d2a09296c2..0000000000
--- a/spring-rest-http/src/main/java/com/baeldung/jsonparam/JsonParamController.java
+++ /dev/null
@@ -1,62 +0,0 @@
-package com.baeldung.jsonparam;
-
-import com.baeldung.controllers.DeferredResultController;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.*;
-
-@Controller
-@RestController
-@RequestMapping("/api")
-public class JsonParamController {
-    private final static Logger LOG = LoggerFactory.getLogger(DeferredResultController.class);
-
-    @GetMapping(value = "/tickets")
-    public String testQueryParamApi(@RequestParam("params") String params) {
-        // params={"type":"foo","color":"green"}
-        ParamObjectDTO paramObjectDTO;
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            paramObjectDTO = objectMapper.readValue(params, ParamObjectDTO.class);
-            System.out.println(paramObjectDTO);
-            // use paramObjectDTO where you have {"type":"foo","color":"green"} JSON data as Object
-        } catch (JsonProcessingException e) {
-            LOG.info("Json Processing Exception");
-        }
-        return params;
-    }
-
-    @GetMapping(value = "/tickets2")
-    public String testGetBodyParamApi(@RequestBody String params) {
-        // params={"type":"foo","color":"green"}
-        ParamObjectDTO paramObjectDTO;
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            paramObjectDTO = objectMapper.readValue(params, ParamObjectDTO.class);
-            System.out.println(paramObjectDTO);
-            // use paramObjectDTO where you have {"type":"foo","color":"green"} JSON data as Object
-        } catch (JsonProcessingException e) {
-            LOG.info("Json Processing Exception");
-        }
-        return params;
-    }
-
-    @PostMapping(value = "/tickets")
-    public String testBodyParamApi(@RequestBody String params) {
-        // params={"type":"foo","color":"green"}
-        ParamObjectDTO paramObjectDTO;
-        ObjectMapper objectMapper = new ObjectMapper();
-        try {
-            paramObjectDTO = objectMapper.readValue(params, ParamObjectDTO.class);
-            System.out.println(paramObjectDTO);
-            // use paramObjectDTO where you have {"type":"foo","color":"green"} JSON data as Object
-        } catch (JsonProcessingException e) {
-            LOG.info("Json Processing Exception");
-        }
-        return params;
-    }
-
-}
diff --git a/spring-rest-http/src/main/java/com/baeldung/jsonparam/ParamObjectDTO.java b/spring-rest-http/src/main/java/com/baeldung/jsonparam/ParamObjectDTO.java
deleted file mode 100644
index a738180fa6..0000000000
--- a/spring-rest-http/src/main/java/com/baeldung/jsonparam/ParamObjectDTO.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.baeldung.jsonparam;
-
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-
-@JsonIgnoreProperties(ignoreUnknown = true)
-public class ParamObjectDTO {
-    private String type;
-    private String color;
-
-    public String getType() {
-        return type;
-    }
-
-    public void setType(String type) {
-        this.type = type;
-    }
-
-    public String getColor() {
-        return color;
-    }
-
-    public void setColor(String color) {
-        this.color = color;
-    }
-
-    @Override
-    public String toString() {
-        return "ParamObjectDTO{" +
-                "type='" + type + '\'' +
-                ", color='" + color + '\'' +
-                '}';
-    }
-}
diff --git a/spring-rest-http/src/main/java/com/baeldung/jsonparam/jsonParamOpenApiSwaggerDefinition b/spring-rest-http/src/main/java/com/baeldung/jsonparam/jsonParamOpenApiSwaggerDefinition
new file mode 100644
index 0000000000..9f9bcb788a
--- /dev/null
+++ b/spring-rest-http/src/main/java/com/baeldung/jsonparam/jsonParamOpenApiSwaggerDefinition
@@ -0,0 +1,154 @@
+swagger: '2.0'
+...
+paths:
+  /tickets:
+    get:
+      parameters:
+        - in: query
+          name: params
+          required: true
+          description: A JSON object with the `type` and `color` properties
+          type: string
+          example: '{"type":"foo","color":"green"}'
+
+swagger: '2.0'
+...
+paths:
+  /tickets:
+    post:
+      requestBody:
+          description: Parameter is an object that should be serialized as JSON
+          content:
+            application/json:
+              schema:
+              	type: string
+          		example: '{"type":"foo","color":"green"}'
+      responses:
+        '200':
+          description: successful process
+
+"/api/tickets": {
+    "get": {
+        "tags": [
+            "account-resource"
+        ],
+        "summary": "testQueryParamApi",
+        "operationId": "testQueryParamApiUsingGET",
+        "produces": [
+            "*/*"
+        ],
+        "parameters": [
+            {
+                "name": "params",
+                "in": "query",
+                "description": "params",
+                "required": true,
+                "type": "string"
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "OK",
+                "schema": {
+                    "type": "string"
+                }
+            },
+            "401": {
+                "description": "Unauthorized"
+            },
+            "403": {
+                "description": "Forbidden"
+            },
+            "404": {
+                "description": "Not Found"
+            }
+        },
+        "deprecated": false
+    },
+    "post": {
+        "tags": [
+            "account-resource"
+        ],
+        "summary": "testBodyParamApi",
+        "operationId": "testBodyParamApiUsingPOST",
+        "consumes": [
+            "application/json"
+        ],
+        "produces": [
+            "*/*"
+        ],
+        "parameters": [
+            {
+                "in": "body",
+                "name": "params",
+                "description": "params",
+                "required": true,
+                "schema": {
+                    "type": "string"
+                }
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "OK",
+                "schema": {
+                    "type": "string"
+                }
+            },
+            "201": {
+                "description": "Created"
+            },
+            "401": {
+                "description": "Unauthorized"
+            },
+            "403": {
+                "description": "Forbidden"
+            },
+            "404": {
+                "description": "Not Found"
+            }
+        },
+        "deprecated": false
+    }
+},
+"/api/tickets2": {
+    "get": {
+        "tags": [
+            "account-resource"
+        ],
+        "summary": "testGetBodyParamApi",
+        "operationId": "testGetBodyParamApiUsingGET",
+        "produces": [
+            "*/*"
+        ],
+        "parameters": [
+            {
+                "in": "body",
+                "name": "params",
+                "description": "params",
+                "required": true,
+                "schema": {
+                    "type": "string"
+                }
+            }
+        ],
+        "responses": {
+            "200": {
+                "description": "OK",
+                "schema": {
+                    "type": "string"
+                }
+            },
+            "401": {
+                "description": "Unauthorized"
+            },
+            "403": {
+                "description": "Forbidden"
+            },
+            "404": {
+                "description": "Not Found"
+            }
+        },
+        "deprecated": false
+    }
+}