diff --git a/packages/backend/src/server/api/endpoints/flash/create.ts b/packages/backend/src/server/api/endpoints/flash/create.ts
index 3172bdbfd..828c3d860 100644
--- a/packages/backend/src/server/api/endpoints/flash/create.ts
+++ b/packages/backend/src/server/api/endpoints/flash/create.ts
@@ -6,40 +6,10 @@ import { Endpoint } from '@/server/api/endpoint-base.js';
 import { DI } from '@/di-symbols.js';
 import { FlashEntityService } from '@/core/entities/FlashEntityService.js';
 
-export const meta = {
-	tags: ['flash'],
-
-	requireCredential: true,
-
-	prohibitMoved: true,
-
-	kind: 'write:flash',
-
-	limit: {
-		duration: ms('1hour'),
-		max: 10,
-	},
-
-	errors: {
-	},
-} as const;
-
-export const paramDef = {
-	type: 'object',
-	properties: {
-		title: { type: 'string' },
-		summary: { type: 'string' },
-		script: { type: 'string' },
-		permissions: { type: 'array', items: {
-			type: 'string',
-		} },
-	},
-	required: ['title', 'summary', 'script', 'permissions'],
-} as const;
-
 // eslint-disable-next-line import/no-default-export
 @Injectable()
-export default class extends Endpoint<typeof meta, typeof paramDef> {
+export default class extends Endpoint<'flash/create'> {
+	name = 'flash/create' as const;
 	constructor(
 		@Inject(DI.flashsRepository)
 		private flashsRepository: FlashsRepository,
@@ -47,7 +17,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private flashEntityService: FlashEntityService,
 		private idService: IdService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
+		super(async (ps, me) => {
 			const flash = await this.flashsRepository.insert({
 				id: this.idService.genId(),
 				userId: me.id,
diff --git a/packages/misskey-js/src/endpoints.ts b/packages/misskey-js/src/endpoints.ts
index 0f9217613..9fb1a248b 100644
--- a/packages/misskey-js/src/endpoints.ts
+++ b/packages/misskey-js/src/endpoints.ts
@@ -4412,6 +4412,44 @@ export const endpoints = {
 		}],
 	},
 	//#endregion
+
+	//#region flash
+	'flash/create': {
+		tags: ['flash'],
+	
+		requireCredential: true,
+	
+		prohibitMoved: true,
+	
+		kind: 'write:flash',
+	
+		limit: {
+			duration: ms('1hour'),
+			max: 10,
+		},
+	
+		errors: {
+		},
+
+		defines: [{
+			req: {
+				type: 'object',
+				properties: {
+					title: { type: 'string' },
+					summary: { type: 'string' },
+					script: { type: 'string' },
+					permissions: { type: 'array', items: {
+						type: 'string',
+					} },
+				},
+				required: ['title', 'summary', 'script', 'permissions'],
+			},
+			res: {
+				$ref: 'https://misskey-hub.net/api/schemas/Flash',
+			},
+		}]
+	},
+	//#endregion
 } as const satisfies { [x: string]: IEndpointMeta; };
 
 /**