diff --git a/types/index.ts b/types/index.ts
index 7f02766..6ba524d 100644
--- a/types/index.ts
+++ b/types/index.ts
@@ -107,6 +107,12 @@ export interface ImageOptions {
 	format?: ImageFormat
 	size?: ImageSize
 }
+
+export interface KoreanbotsImageOptions {
+	format?: 'webp' | 'png' | 'gif'
+	size?: 128 | 256 | 512
+}
+
 export enum DiscordImageType {
 	EMOJI = 'emoji',
 	GUILD = 'guild',
diff --git a/utils/Constants.ts b/utils/Constants.ts
index d0b849e..e60fc62 100644
--- a/utils/Constants.ts
+++ b/utils/Constants.ts
@@ -1,4 +1,4 @@
-import { ImageOptions } from '@types'
+import { ImageOptions, KoreanbotsImageOptions } from '@types'
 import { makeImageURL } from './Tools'
 
 export const Status = {
@@ -104,6 +104,12 @@ export const DiscordEnpoints = {
 	}
 }
 
+export const KoreanbotsEndPoints = {
+	CDN: class CDN {
+		static avatar (id: string, options: KoreanbotsImageOptions) { return makeImageURL(`/api/image/discord/avatars/${id}`, options) }
+	}
+}
+
 export const Oauth = {
 	discord: (clientID: string, scope: string) => `https://discord.com/oauth2/authorize?client_id=${clientID}&scope=${scope}&permissions=0&response_type=code&redirect_uri=${process.env.KOREANBOTS_URL}/api/auth/discord/callback&prompt=none`
 }
diff --git a/utils/Yup.ts b/utils/Yup.ts
index d418175..5d7b662 100644
--- a/utils/Yup.ts
+++ b/utils/Yup.ts
@@ -19,7 +19,7 @@ export interface botListArgument  {
 export const ImageOptionsSchema: Yup.SchemaOf<ImageOptions> = Yup.object({
 	id: Yup.string().required(),
 	ext: Yup.mixed<ext>().oneOf(['webp', 'png', 'gif']).required(),
-	size: Yup.mixed<ImageSize>().oneOf([128, 256, 512]).required()
+	size: Yup.mixed<ImageSize>().oneOf(['128', '256', '512']).required()
 })
 
 interface ImageOptions {
@@ -29,7 +29,7 @@ interface ImageOptions {
 }
 
 type ext = 'webp' | 'png' | 'gif'
-type ImageSize = 128 | 256  | 512
+type ImageSize = '128' | '256' | '512'
 
 
 export default Yup
\ No newline at end of file