diff --git a/packages/backend/src/server/api/mastodon/endpoints/account.ts b/packages/backend/src/server/api/mastodon/endpoints/account.ts
index deb5dac309..23d46eea68 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/account.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/account.ts
@@ -164,6 +164,25 @@ export function apiAccountMastodon(router: Router): void {
 			}
 		},
 	);
+	router.get<{ Params: { id: string } }>(
+		"/v1/accounts/:id/featured_tags",
+		async (ctx) => {
+			const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
+			const accessTokens = ctx.headers.authorization;
+			const client = getClient(BASE_URL, accessTokens);
+			try {
+				const data = await client.getAccountFeaturedTags(
+					convertId(ctx.params.id, IdType.CalckeyId),
+				);
+				ctx.body = data.data.map((account) => convertAccount(account));
+			} catch (e: any) {
+				console.error(e);
+				console.error(e.response.data);
+				ctx.status = 401;
+				ctx.body = e.response.data;
+			}
+		},
+	);
 	router.get<{ Params: { id: string } }>(
 		"/v1/accounts/:id/followers",
 		async (ctx) => {
@@ -342,6 +361,38 @@ export function apiAccountMastodon(router: Router): void {
 			}
 		},
 	);
+	router.get("/v1/featured_tags",
+		async (ctx) => {
+			const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
+			const accessTokens = ctx.headers.authorization;
+			const client = getClient(BASE_URL, accessTokens);
+			try {
+				const data = await client.getFeaturedTags();
+				ctx.body = data.data.map((account) => convertAccount(account));
+			} catch (e: any) {
+				console.error(e);
+				console.error(e.response.data);
+				ctx.status = 401;
+				ctx.body = e.response.data;
+			}
+		},
+	);
+	router.get("/v1/followed_tags",
+		async (ctx) => {
+			const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
+			const accessTokens = ctx.headers.authorization;
+			const client = getClient(BASE_URL, accessTokens);
+			try {
+				const data = await client.getFollowedTags();
+				ctx.body = data.data.map((account) => convertAccount(account));
+			} catch (e: any) {
+				console.error(e);
+				console.error(e.response.data);
+				ctx.status = 401;
+				ctx.body = e.response.data;
+			}
+		},
+	);
 	router.get("/v1/bookmarks", async (ctx) => {
 		const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
 		const accessTokens = ctx.headers.authorization;
diff --git a/packages/backend/src/server/api/mastodon/endpoints/status.ts b/packages/backend/src/server/api/mastodon/endpoints/status.ts
index a479140e08..86fabb59b8 100644
--- a/packages/backend/src/server/api/mastodon/endpoints/status.ts
+++ b/packages/backend/src/server/api/mastodon/endpoints/status.ts
@@ -153,6 +153,24 @@ export function apiStatusMastodon(router: Router): void {
 			}
 		},
 	);
+	router.get<{ Params: { id: string } }>(
+		"/v1/statuses/:id/history",
+		async (ctx) => {
+			const BASE_URL = `${ctx.protocol}://${ctx.hostname}`;
+			const accessTokens = ctx.headers.authorization;
+			const client = getClient(BASE_URL, accessTokens);
+			try {
+				const data = await client.getStatusHistory(
+					convertId(ctx.params.id, IdType.CalckeyId),
+				);
+				ctx.body = data.data.map((account) => convertAccount(account));
+			} catch (e: any) {
+				console.error(e);
+				ctx.status = 401;
+				ctx.body = e.response.data;
+			}
+		},
+	);
 	router.get<{ Params: { id: string } }>(
 		"/v1/statuses/:id/reblogged_by",
 		async (ctx) => {