diff --git a/src/main/java/com/apside/assistDbBackend/controller/TagsController.java b/src/main/java/com/apside/assistDbBackend/controller/TagsController.java
new file mode 100644
index 0000000..437e81f
--- /dev/null
+++ b/src/main/java/com/apside/assistDbBackend/controller/TagsController.java
@@ -0,0 +1,44 @@
+package com.apside.assistDbBackend.controller;
+
+import com.apside.assistDbBackend.model.InfoColumn;
+import com.apside.assistDbBackend.model.Tag;
+import com.apside.assistDbBackend.service.TagsService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/api")
+public class TagsController {
+
+    @Autowired
+    private TagsService tagsService;
+
+    @GetMapping("/tags/all")
+    public List<Tag> getTags() throws IOException {
+        return tagsService.getAllTags();
+    }
+
+    /*@DeleteMapping("/tags/deleteAll")
+    public void deleteAllTags() {
+        tagsService.deleteAllTags();
+    }*/
+
+    @DeleteMapping("/tag/delete/{nameTag}")
+    public void deleteTag(@PathVariable("nameTag") final String nameTag) throws IOException {
+        tagsService.deleteTag(nameTag);
+    }
+
+    @PostMapping("/tag/add")
+    public void addTag(@RequestBody Tag tag) throws IOException {
+        tagsService.addTag(tag);
+    }
+
+    @PutMapping("/tag/update/{prevTag}")
+    public void updateTag(@PathVariable("prevTag") final String prevTag, @RequestBody Tag tag) throws IOException {
+        tagsService.updateTag(prevTag, tag);
+    }
+}
diff --git a/src/main/java/com/apside/assistDbBackend/model/Tag.java b/src/main/java/com/apside/assistDbBackend/model/Tag.java
new file mode 100644
index 0000000..7050350
--- /dev/null
+++ b/src/main/java/com/apside/assistDbBackend/model/Tag.java
@@ -0,0 +1,23 @@
+package com.apside.assistDbBackend.model;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+public class Tag {
+
+    private int tagId;
+
+    private String nameTag;
+
+    private String descriptionTag;
+
+    public Tag(){}
+
+    public Tag(int tagId, String nameTag, String descriptionTag){
+        this.tagId = tagId;
+        this.nameTag = nameTag;
+        this.descriptionTag = descriptionTag;
+    }
+}
diff --git a/src/main/java/com/apside/assistDbBackend/service/TagsService.java b/src/main/java/com/apside/assistDbBackend/service/TagsService.java
new file mode 100644
index 0000000..6a316fc
--- /dev/null
+++ b/src/main/java/com/apside/assistDbBackend/service/TagsService.java
@@ -0,0 +1,105 @@
+package com.apside.assistDbBackend.service;
+
+import com.apside.assistDbBackend.model.Tag;
+import lombok.Data;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+
+@Data
+@Service
+public class TagsService {
+
+    private final String tempDirectoryPath;
+    private final Path path;
+    private String jsonContent;
+    private JSONObject dataGlobal;
+    private JSONArray data;
+    public TagsService() throws IOException {
+        tempDirectoryPath = new File(System.getProperty("user.dir")).getParent() + "/AssistDB_AdditionalFiles/tags.json";
+        path = Paths.get(tempDirectoryPath);
+    }
+
+    private void initialize() throws IOException {
+        jsonContent = new String(Files.readAllBytes(path));
+        dataGlobal = new JSONObject(jsonContent);
+        data = dataGlobal.getJSONArray("data");
+    }
+
+    public List<Tag> getAllTags() throws IOException {
+        initialize();
+        List<Tag> listOfTag = new ArrayList<>();
+        for (int i=0; i<data.length(); i++){
+            JSONObject tag = data.getJSONObject(i);
+            int tagId = tag.getInt("tagId");
+            String tagName = tag.getString("tag");
+            String tagDescription = tag.getString("description");
+            Tag tempTag = new Tag(tagId, tagName, tagDescription);
+            listOfTag.add(tempTag);
+        }
+        return listOfTag;
+    }
+
+    public void deleteTag(final String deleteNameTag) throws IOException {
+        initialize();
+        JSONArray newArr = new JSONArray();
+        for (int i=0; i<data.length(); i++) {
+            JSONObject tag = data.getJSONObject(i);
+            String tagName = tag.getString("tag");
+            if(!Objects.equals(tagName, deleteNameTag)){
+                newArr.put(tag);
+            }
+        }
+        System.out.println(newArr);
+        JSONObject newObj = dataGlobal.put("data", newArr);
+        Files.write(path, newObj.toString().getBytes());
+    }
+
+    /*public void deleteAllTags() {
+        tagsRepository.deleteAll();
+    }*/
+
+    public void addTag(Tag tag) throws IOException {
+        initialize();
+        JSONObject newTag = new JSONObject();
+        newTag.put("tagId", tag.getTagId());
+        newTag.put("tag", tag.getNameTag().toString());
+        newTag.put("description", tag.getDescriptionTag().toString());
+        JSONArray newArr = data.put(newTag);
+        JSONObject newObj = dataGlobal.put("data", newArr);
+        Files.write(path, newObj.toString().getBytes());
+
+    }
+    public void updateTag(final String prevTag, Tag modTag) throws IOException {
+        initialize();
+        JSONArray newArr = new JSONArray();
+        for (int i=0; i<data.length(); i++) {
+            JSONObject tag = data.getJSONObject(i);
+            String tagName = tag.getString("tag");
+            if(!Objects.equals(tagName, prevTag)){
+                newArr.put(tag);
+            } else {
+                JSONObject newTag = new JSONObject();
+                newTag.put("tagId", modTag.getTagId());
+                newTag.put("tag", modTag.getNameTag().toString());
+                newTag.put("description", modTag.getDescriptionTag().toString());
+                newArr.put(newTag);
+            }
+        }
+        JSONObject newObj = dataGlobal.put("data", newArr);
+        Files.write(path, newObj.toString().getBytes());
+    }
+
+}