diff --git a/package.json b/package.json
index e578003..883e038 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@makeplane/plane-node-sdk",
-  "version": "0.2.9",
+  "version": "0.2.10",
   "description": "Node SDK for Plane",
   "author": "Plane <engineering@plane.so>",
   "repository": {
diff --git a/src/api/Epics.ts b/src/api/Epics.ts
index aac39e9..5f20dbb 100644
--- a/src/api/Epics.ts
+++ b/src/api/Epics.ts
@@ -1,5 +1,5 @@
 import { Configuration } from "../Configuration";
-import { Epic } from "../models/Epic";
+import { Epic, CreateEpic, UpdateEpic, AddEpicWorkItems, EpicIssue } from "../models/Epic";
 import { PaginatedResponse } from "../models/common";
 import { BaseResource } from "./BaseResource";
 
@@ -12,6 +12,13 @@ export class Epics extends BaseResource {
     super(config);
   }
 
+  /**
+   * Create a new epic in the specified project
+   */
+  async create(workspaceSlug: string, projectId: string, data: CreateEpic): Promise<Epic> {
+    return this.post<Epic>(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/`, data);
+  }
+
   /**
    * Retrieve an epic by ID
    */
@@ -19,10 +26,51 @@ export class Epics extends BaseResource {
     return this.get<Epic>(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/${epicId}/`);
   }
 
+  /**
+   * Partially update an existing epic
+   */
+  async update(workspaceSlug: string, projectId: string, epicId: string, data: UpdateEpic): Promise<Epic> {
+    return this.patch<Epic>(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/${epicId}/`, data);
+  }
+
+  /**
+   * Delete an epic
+   */
+  async delete(workspaceSlug: string, projectId: string, epicId: string): Promise<void> {
+    return this.httpDelete(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/${epicId}/`);
+  }
+
   /**
    * List epics with optional filtering
    */
   async list(workspaceSlug: string, projectId: string, params?: any): Promise<PaginatedResponse<Epic>> {
     return this.get<PaginatedResponse<Epic>>(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/`, params);
   }
+
+  /**
+   * List work items under an epic
+   */
+  async listIssues(
+    workspaceSlug: string,
+    projectId: string,
+    epicId: string,
+    params?: any
+  ): Promise<PaginatedResponse<EpicIssue>> {
+    return this.get<PaginatedResponse<EpicIssue>>(
+      `/workspaces/${workspaceSlug}/projects/${projectId}/epics/${epicId}/issues/`,
+      params
+    );
+  }
+
+  /**
+   * Add work items as sub-issues under an epic
+   */
+  async addIssues(
+    workspaceSlug: string,
+    projectId: string,
+    epicId: string,
+    data: AddEpicWorkItems
+  ): Promise<EpicIssue[]> {
+    return this.post<EpicIssue[]>(`/workspaces/${workspaceSlug}/projects/${projectId}/epics/${epicId}/issues/`, data);
+  }
 }
diff --git a/src/models/Epic.ts b/src/models/Epic.ts
index 7ea56b6..08bf4f0 100644
--- a/src/models/Epic.ts
+++ b/src/models/Epic.ts
@@ -32,3 +32,71 @@ export interface Epic {
   assignees?: string[];
   labels?: string[];
 }
+
+export interface CreateEpic {
+  name: string;
+  description_html?: string;
+  state_id?: string;
+  parent_id?: string;
+  assignee_ids?: string[];
+  label_ids?: string[];
+  priority?: PriorityEnum;
+  start_date?: string;
+  target_date?: string;
+  estimate_point?: string;
+  external_source?: string;
+  external_id?: string;
+}
+
+export interface UpdateEpic {
+  name?: string;
+  description_html?: string;
+  state_id?: string;
+  parent_id?: string;
+  assignee_ids?: string[];
+  label_ids?: string[];
+  priority?: PriorityEnum;
+  start_date?: string;
+  target_date?: string;
+  estimate_point?: string;
+  external_source?: string;
+  external_id?: string;
+}
+
+export interface AddEpicWorkItems {
+  work_item_ids: string[];
+}
+
+export interface EpicIssue {
+  id: string;
+  type_id?: string | null;
+  parent?: string | null;
+  created_at?: string;
+  updated_at?: string;
+  deleted_at?: string | null;
+  point?: number | null;
+  name: string;
+  description_html?: string;
+  description_stripped?: string;
+  description_binary?: string | null;
+  priority?: PriorityEnum;
+  start_date?: string | null;
+  target_date?: string | null;
+  sequence_id?: number;
+  sort_order?: number;
+  completed_at?: string | null;
+  archived_at?: string | null;
+  last_activity_at?: string;
+  is_draft?: boolean;
+  external_source?: string | null;
+  external_id?: string | null;
+  created_by?: string;
+  updated_by?: string | null;
+  project?: string;
+  workspace?: string;
+  state?: string;
+  estimate_point?: string | null;
+  type?: string | null;
+  assignees?: string[];
+  labels?: string[];
+}
diff --git a/tests/unit/epic.test.ts b/tests/unit/epic.test.ts
index e3b709e..f3d118a 100644
--- a/tests/unit/epic.test.ts
+++ b/tests/unit/epic.test.ts
@@ -1,30 +1,101 @@
 import { config } from "./constants";
 import { PlaneClient } from "../../src/client/plane-client";
-import { createTestClient } from "../helpers/test-utils";
+import { Epic, UpdateEpic } from "../../src/models/Epic";
+import { createTestClient, randomizeName } from "../helpers/test-utils";
 import { describeIf as describe } from "../helpers/conditional-tests";
 
 describe(!!(config.workspaceSlug && config.projectId), "Epic API Tests", () => {
   let client: PlaneClient;
   let workspaceSlug: string;
   let projectId: string;
+  let epic: Epic;
 
   beforeAll(async () => {
     client = createTestClient();
     workspaceSlug = config.workspaceSlug;
     projectId = config.projectId;
+    // update the project to enable epics
+    await client.projects.updateFeatures(workspaceSlug, projectId, {
+      epics: true,
+    });
+  });
+
+  afterAll(async () => {
+    if (epic?.id) {
+      try {
+        await client.epics.delete(workspaceSlug, projectId, epic.id);
+      } catch (error) {
+        console.warn("Failed to delete epic:", error);
+      }
+    }
+  });
+
+  it("should create an epic", async () => {
+    const name = randomizeName("epic-");
+    epic = await client.epics.create(workspaceSlug, projectId, {
+      name: name,
+      priority: "high",
+    });
+
+    expect(epic).toBeDefined();
+    expect(epic.id).toBeDefined();
+    expect(epic.name).toBe(name);
+  });
+
+  it("should retrieve an epic", async () => {
+    const retrieved = await client.epics.retrieve(workspaceSlug, projectId, epic.id!);
+
+    expect(retrieved).toBeDefined();
+    expect(retrieved.id).toBe(epic.id);
+    expect(retrieved.name).toBe(epic.name);
+  });
+
+  it("should update an epic", async () => {
+    const updateData: UpdateEpic = {
+      name: "Updated Epic Name",
+    };
+
+    const updated = await client.epics.update(workspaceSlug, projectId, epic.id!, updateData);
+
+    expect(updated).toBeDefined();
+    expect(updated.id).toBe(epic.id);
+    expect(updated.name).toBe("Updated Epic Name");
+    epic = updated;
   });
 
   it("should list epics", async () => {
     const epics = await client.epics.list(workspaceSlug, projectId);
+
     expect(epics).toBeDefined();
     expect(epics.results.length).toBeGreaterThan(0);
+
+    const found = epics.results.find((e) => e.id === epic.id);
+    expect(found).toBeDefined();
   });
 
-  it("should retrieve an epic", async () => {
-    const epics = await client.epics.list(workspaceSlug, projectId);
-    const epic = await client.epics.retrieve(workspaceSlug, projectId, epics.results[0]!.id!);
-    expect(epic).toBeDefined();
-    expect(epic.id).toBe(epics.results[0]!.id);
-    expect(epic.name).toBe(epics.results[0]!.name);
+  it("should list epic issues", async () => {
+    const issues = await client.epics.listIssues(workspaceSlug, projectId, epic.id!);
+
+    expect(issues).toBeDefined();
+    expect(Array.isArray(issues.results)).toBe(true);
+  });
+
+  it("should add work items to epic", async () => {
+    const workItem = await client.workItems.create(workspaceSlug, projectId, {
+      name: randomizeName("work-item-"),
+    });
+
+    try {
+      const addedIssues = await client.epics.addIssues(workspaceSlug, projectId, epic.id!, {
+        work_item_ids: [workItem.id],
+      });
+
+      expect(addedIssues).toBeDefined();
+      expect(Array.isArray(addedIssues)).toBe(true);
+      expect(addedIssues.length).toBe(1);
+      expect(addedIssues[0]!.parent).toBe(epic.id);
+    } finally {
+      await client.workItems.delete(workspaceSlug, projectId, workItem.id);
+    }
   });
 });