diff --git a/src/models/emoji.ts b/src/models/emoji.ts
index 62fee3726b..fdedd28513 100644
--- a/src/models/emoji.ts
+++ b/src/models/emoji.ts
@@ -1,3 +1,4 @@
+import * as mongo from 'mongodb';
 import db from '../db/mongodb';
 
 const Emoji = db.get<IEmoji>('emoji');
@@ -8,6 +9,7 @@ Emoji.createIndex(['name', 'host'], { unique: true });
 export default Emoji;
 
 export type IEmoji = {
+	_id: mongo.ObjectID;
 	name: string;
 	host: string;
 	url: string;
diff --git a/src/server/api/endpoints/admin/add-emoji.ts b/src/server/api/endpoints/admin/emoji/add.ts
similarity index 85%
rename from src/server/api/endpoints/admin/add-emoji.ts
rename to src/server/api/endpoints/admin/emoji/add.ts
index 9ae258d06c..09e142b17e 100644
--- a/src/server/api/endpoints/admin/add-emoji.ts
+++ b/src/server/api/endpoints/admin/emoji/add.ts
@@ -1,6 +1,6 @@
 import $ from 'cafy';
-import Emoji from '../../../../models/emoji';
-import define from '../../define';
+import Emoji from '../../../../../models/emoji';
+import define from '../../../define';
 
 export const meta = {
 	desc: {
diff --git a/src/server/api/endpoints/admin/emoji/list.ts b/src/server/api/endpoints/admin/emoji/list.ts
new file mode 100644
index 0000000000..fd69fb0b29
--- /dev/null
+++ b/src/server/api/endpoints/admin/emoji/list.ts
@@ -0,0 +1,33 @@
+import $ from 'cafy';
+import Emoji from '../../../../../models/emoji';
+import define from '../../../define';
+
+export const meta = {
+	desc: {
+		'ja-JP': 'カスタム絵文字を取得します。'
+	},
+
+	requireCredential: true,
+	requireAdmin: true,
+
+	params: {
+		host: {
+			validator: $.str.optional.nullable,
+			default: null as any
+		}
+	}
+};
+
+export default define(meta, (ps) => new Promise(async (res, rej) => {
+	const emojis = await Emoji.find({
+		host: ps.host
+	});
+
+	res(emojis.map(e => ({
+		id: e._id,
+		name: e.name,
+		aliases: e.aliases,
+		host: e.host,
+		url: e.url
+	})));
+}));
diff --git a/src/server/api/endpoints/admin/emoji/remove.ts b/src/server/api/endpoints/admin/emoji/remove.ts
new file mode 100644
index 0000000000..32f1ced0c8
--- /dev/null
+++ b/src/server/api/endpoints/admin/emoji/remove.ts
@@ -0,0 +1,31 @@
+import $ from 'cafy';
+import Emoji from '../../../../../models/emoji';
+import define from '../../../define';
+import ID from '../../../../../misc/cafy-id';
+
+export const meta = {
+	desc: {
+		'ja-JP': 'カスタム絵文字を削除します。'
+	},
+
+	requireCredential: true,
+	requireAdmin: true,
+
+	params: {
+		id: {
+			validator: $.type(ID)
+		}
+	}
+};
+
+export default define(meta, (ps) => new Promise(async (res, rej) => {
+	const emoji = await Emoji.findOne({
+		_id: ps.id
+	});
+
+	if (emoji == null) return rej('emoji not found');
+
+	await Emoji.remove({ _id: emoji._id });
+
+	res();
+}));
diff --git a/src/server/api/endpoints/admin/emoji/update.ts b/src/server/api/endpoints/admin/emoji/update.ts
new file mode 100644
index 0000000000..842ca8924d
--- /dev/null
+++ b/src/server/api/endpoints/admin/emoji/update.ts
@@ -0,0 +1,49 @@
+import $ from 'cafy';
+import Emoji from '../../../../../models/emoji';
+import define from '../../../define';
+import ID from '../../../../../misc/cafy-id';
+
+export const meta = {
+	desc: {
+		'ja-JP': 'カスタム絵文字を更新します。'
+	},
+
+	requireCredential: true,
+	requireAdmin: true,
+
+	params: {
+		id: {
+			validator: $.type(ID)
+		},
+
+		name: {
+			validator: $.str
+		},
+
+		url: {
+			validator: $.str
+		},
+
+		aliases: {
+			validator: $.arr($.str)
+		}
+	}
+};
+
+export default define(meta, (ps) => new Promise(async (res, rej) => {
+	const emoji = await Emoji.findOne({
+		_id: ps.id
+	});
+
+	if (emoji == null) return rej('emoji not found');
+
+	await Emoji.update({ _id: emoji._id }, {
+		$set: {
+			name: ps.name,
+			aliases: ps.aliases,
+			url: ps.url
+		}
+	});
+
+	res();
+}));