diff --git a/client/lysand/lysand.ts b/client/lysand/lysand.ts
index 0a8ae64..5fa8eeb 100644
--- a/client/lysand/lysand.ts
+++ b/client/lysand/lysand.ts
@@ -546,6 +546,25 @@ export class LysandClient extends BaseClient {
         return this.get<Account>(`/api/v1/accounts/${id}`, extra);
     }
 
+    /**
+     * GET /api/v1/accounts/id
+     *
+     * Lysand API only.
+     * @param username The username.
+     * @return An account.
+     */
+    public getAccountByUsername(
+        username: string,
+        extra?: RequestInit,
+    ): Promise<Output<Account>> {
+        return this.get<Account>(
+            `/api/v1/accounts/id?${new URLSearchParams({
+                username,
+            }).toString()}`,
+            extra,
+        );
+    }
+
     /**
      * GET /api/v1/accounts/:id/followers
      *