diff --git a/packages/xrpc/src/xrpc/__init__.py b/packages/xrpc/src/xrpc/__init__.py
index 1dfd94b..4d18ca5 100644
--- a/packages/xrpc/src/xrpc/__init__.py
+++ b/packages/xrpc/src/xrpc/__init__.py
@@ -1,26 +1,35 @@
 from urllib.parse import urljoin
 
 from aiohttp.client import ClientSession
-from flask import Blueprint, request
+from flask import Blueprint, current_app, request
 
 xrpc = Blueprint("xrpc", __name__, url_prefix="/xrpc")
 
 
 @xrpc.get("/app.bsky.actor.searchActorsTypeahead")
 async def search_actors_typeahead():
-    base = "https://public.api.bsky.app"
+    client_header = request.headers.get("X-Client")
+    if not client_header:
+        return ("missing X-Client header", 400)
+    base = "https://typeahead.waow.tech"
     url = urljoin(base, "xrpc/app.bsky.actor.searchActorsTypeahead")
     url += f"?{request.query_string.decode('utf-8')}"
     async with ClientSession() as client:
-        async with client.get(url) as response:
-            json = await response.json()
+        if not current_app.debug:
+            client.headers.add("X-Client", client_header)
+        async with client.get(url) as typeahead_response:
+            response = await typeahead_response.json()
+            status = 200
             try:
-                res = [
-                    {"avatar": actor["avatar"], "handle": actor["handle"]}
-                    for actor in json["actors"]
+                actors = [
+                    {"avatar": actor.get("avatar"), "handle": actor["handle"]}
+                    for actor in response["actors"]
                 ]
-                return {
-                    "actors": res,
+                response = {
+                    "actors": actors,
                 }
-            except KeyError:
-                return json
+            except (KeyError, TypeError) as error:
+                current_app.logger.error(error)
+                response = {"actors": []}
+                status = 500
+            return (response, status)
diff --git a/src/static/actor-typeahead.js b/src/static/actor-typeahead.js
index 6f56ac8..39158c2 100644
--- a/src/static/actor-typeahead.js
+++ b/src/static/actor-typeahead.js
@@ -6,6 +6,8 @@
  * Copyright (c) 2026 ligo.at contributors
  *
  * Changes
+ *   2026-03-19
+ *     New: Attribute `client` to send via the `X-Client` HTTP header.
  *   2026-03-17
  *     Fix: Abort previous HTTP request before starting the next.
  *     New: Add 250ms debounce to oninput.
@@ -127,6 +129,7 @@ function clone(tmpl) {
 
 /**
  * @attribute {string} [host] - The host to which to make the typeahead API call. If set to "location" it uses window.location.
+ * @attribute {string} [client] - The optional value to send in the X-Client HTTP header.
  * @attribute {number} [rows] - The maximum number of rows to display in the dropdown.
  *
  * @csspart menu - The dropdown menu.
@@ -327,8 +330,17 @@ export default class ActorTypeahead extends HTMLElement {
     this.#controller?.abort();
     this.#controller = new AbortController();
 
+    const headers = {};
+    const client = this.getAttribute("client");
+    if (client) {
+      headers["X-Client"] = client;
+    }
+
     try {
-      const res = await fetch(url, { signal: this.#controller.signal });
+      const res = await fetch(url, {
+        headers,
+        signal: this.#controller.signal,
+      });
       const json = await res.json();
       this.#actors = json.actors;
       this.#index = -1;
diff --git a/src/templates/login.html b/src/templates/login.html
index a2ca015..244a950 100644
--- a/src/templates/login.html
+++ b/src/templates/login.html
@@ -21,7 +21,7 @@
       <form action="{{ url_for('auth_login') }}" method="post">
         <label>
           <span>Handle</span>
-          <actor-typeahead host="location">
+          <actor-typeahead host="location" client="ligo.at">
             <input
               type="text"
               name="username"