diff --git a/Caddyfile b/Caddyfile
index 0291192..7eed236 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -1,6 +1,10 @@
 :80 {
     encode gzip zstd
 
+    handle_path /api/* {
+        reverse_proxy backend:8082
+    }
+
     handle {
         reverse_proxy frontend:80
     }
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index eee23cc..94c12ce 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -4,7 +4,6 @@ services:
     restart: unless-stopped
     ports:
       - "127.0.0.1:${CADDY_HTTP_PORT:-8088}:80"
-      - "127.0.0.1:${CADDY_HTTPS_PORT:-8443}:443"
     volumes:
       - ./Caddyfile:/etc/caddy/Caddyfile:ro
       - caddy_data:/data
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 6170b75..77c0880 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -30,6 +30,16 @@ export class ApiError extends Error {
   }
 }
 
+export function getApiErrorMessage(error: unknown) {
+  if (error instanceof ApiError) {
+    return "Erro " + error.status + ": " + error.message;
+  }
+  if (error instanceof Error) {
+    return error.message;
+  }
+  return "Falha na comunicação com a API";
+}
+
 async function apiRequest<T>(path: string, options: RequestOptions = {}): Promise<T> {
   const url = buildApiUrl(path);
   Object.entries(options.params ?? {}).forEach(([key, value]) => {
@@ -51,7 +61,7 @@ async function apiRequest<T>(path: string, options: RequestOptions = {}): Promis
     setAuthToken(null);
   }
   if (!response.ok) {
-    const detail = await response.text();
+    const detail = await readErrorMessage(response);
     throw new ApiError(detail || "Falha na comunicação com a API", response.status);
   }
   if (response.status === 204) {
@@ -60,6 +70,23 @@ async function apiRequest<T>(path: string, options: RequestOptions = {}): Promis
   return response.json() as Promise<T>;
 }
 
+async function readErrorMessage(response: Response) {
+  const contentType = response.headers.get("Content-Type") ?? "";
+  const text = await response.text();
+  if (!text) {
+    return response.statusText;
+  }
+  if (contentType.includes("application/json")) {
+    try {
+      const json = JSON.parse(text) as { message?: string; detail?: string; error?: string; title?: string };
+      return json.message ?? json.detail ?? json.error ?? json.title ?? text;
+    } catch {
+      return text;
+    }
+  }
+  return text;
+}
+
 function buildApiUrl(path: string) {
   if (API_BASE_URL.startsWith("http://") || API_BASE_URL.startsWith("https://")) {
     return new URL(path, API_BASE_URL);
diff --git a/frontend/src/pages/NovaBuscaPage.tsx b/frontend/src/pages/NovaBuscaPage.tsx
index fed33b0..0b6e99a 100644
--- a/frontend/src/pages/NovaBuscaPage.tsx
+++ b/frontend/src/pages/NovaBuscaPage.tsx
@@ -6,7 +6,7 @@ import { Button } from "../components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "../components/ui/card";
 import { Input } from "../components/ui/input";
 import { Select } from "../components/ui/select";
-import { api } from "../lib/api";
+import { api, getApiErrorMessage } from "../lib/api";
 
 export function NovaBuscaPage() {
   const navigate = useNavigate();
@@ -93,7 +93,7 @@ export function NovaBuscaPage() {
               {formError && <p className="mt-2 text-sm text-destructive">{formError}</p>}
               {criarBusca.isError && (
                 <p className="mt-2 text-sm text-destructive">
-                  Não foi possível criar a busca. Atualize a página e tente novamente.
+                  Não foi possível criar a busca. {getApiErrorMessage(criarBusca.error)}
                 </p>
               )}
             </div>