1 files changed, 15 insertions, 11 deletions
diff --git a/packages/backend/src/server/api/endpoints/federation/show-instance.ts b/packages/backend/src/server/api/endpoints/federation/show-instance.ts
index 6f13b28cae..cead515d81 100644
--- a/packages/backend/src/server/api/endpoints/federation/show-instance.ts
+++ b/packages/backend/src/server/api/endpoints/federation/show-instance.ts
@@ -1,4 +1,3 @@
-import $ from 'cafy';
 import define from '../../define';
 import { Instances } from '@/models/index';
 import { toPuny } from '@/misc/convert-host';
@@ -8,23 +7,28 @@ export const meta = {
 
 	requireCredential: false,
 
-	params: {
-		host: {
-			validator: $.str,
-		},
+	res: {
+		oneOf: [{
+			type: 'object',
+			ref: 'FederationInstance',
+		}, {
+			type: 'null',
+		}],
 	},
+} as const;
 
-	res: {
-		type: 'object',
-		optional: true, nullable: false,
-		ref: 'FederationInstance',
+const paramDef = {
+	type: 'object',
+	properties: {
+		host: { type: 'string' },
 	},
+	required: ['host'],
 } as const;
 
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, me) => {
+export default define(meta, paramDef, async (ps, me) => {
 	const instance = await Instances
 		.findOne({ host: toPuny(ps.host) });
 
-	return instance;
+	return instance ? await Instances.pack(instance) : null;
 });