diff --git a/packages/backend/src/server/api/endpoints/antennas/show.ts b/packages/backend/src/server/api/endpoints/antennas/show.ts
index ef7ed5b72c..a5bcf10ddf 100644
--- a/packages/backend/src/server/api/endpoints/antennas/show.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/show.ts
@@ -5,46 +5,17 @@ import { AntennaEntityService } from '@/core/entities/AntennaEntityService.js';
 import { DI } from '@/di-symbols.js';
 import { ApiError } from '../../error.js';
 
-export const meta = {
-	tags: ['antennas', 'account'],
-
-	requireCredential: true,
-
-	kind: 'read:account',
-
-	errors: {
-		noSuchAntenna: {
-			message: 'No such antenna.',
-			code: 'NO_SUCH_ANTENNA',
-			id: 'c06569fb-b025-4f23-b22d-1fcd20d2816b',
-		},
-	},
-
-	res: {
-		type: 'object',
-		optional: false, nullable: false,
-		ref: 'Antenna',
-	},
-} as const;
-
-export const paramDef = {
-	type: 'object',
-	properties: {
-		antennaId: { type: 'string', format: 'misskey:id' },
-	},
-	required: ['antennaId'],
-} 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<'antennas/show'> {
+	name = 'antennas/show' as const;
 	constructor(
 		@Inject(DI.antennasRepository)
 		private antennasRepository: AntennasRepository,
 
 		private antennaEntityService: AntennaEntityService,
 	) {
-		super(meta, paramDef, async (ps, me) => {
+		super(async (ps, me) => {
 			// Fetch the antenna
 			const antenna = await this.antennasRepository.findOneBy({
 				id: ps.antennaId,
@@ -52,7 +23,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 			});
 
 			if (antenna == null) {
-				throw new ApiError(meta.errors.noSuchAntenna);
+				throw new ApiError(this.meta.errors.noSuchAntenna);
 			}
 
 			return await this.antennaEntityService.pack(antenna);
diff --git a/packages/misskey-js/src/endpoints.ts b/packages/misskey-js/src/endpoints.ts
index db7574a21c..9a14004b86 100644
--- a/packages/misskey-js/src/endpoints.ts
+++ b/packages/misskey-js/src/endpoints.ts
@@ -2114,6 +2114,34 @@ export const endpoints = {
 			},
 		}],
 	},
+	'antennas/show': {
+		tags: ['antennas', 'account'],
+
+		requireCredential: true,
+
+		kind: 'read:account',
+
+		errors: {
+			noSuchAntenna: {
+				message: 'No such antenna.',
+				code: 'NO_SUCH_ANTENNA',
+				id: 'c06569fb-b025-4f23-b22d-1fcd20d2816b',
+			},
+		},
+
+		defines: [{
+			req: {
+				type: 'object',
+				properties: {
+					antennaId: { type: 'string', format: 'misskey:id' },
+				},
+				required: ['antennaId'],
+			},
+			res: {
+				$ref: 'https://misskey-hub.net/api/schemas/Antenna',
+			},
+		}],
+	},
 	//#endregion
 } as const satisfies { [x: string]: IEndpointMeta; };