diff --git a/backend/package.json b/backend/package.json
index 39246cb..3ea74e5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "calendar-run-backend",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "private": true,
   "scripts": {
     "build": "tsc",
diff --git a/backend/src/app.ts b/backend/src/app.ts
index 76ae6c0..fa620b8 100644
--- a/backend/src/app.ts
+++ b/backend/src/app.ts
@@ -12,6 +12,9 @@ export function createApp(): express.Express {
 
   app.use(healthRouter);
   app.use(racesRouter);
+  // Тот же API под /api/* — если прокси не снимает префикс или запрос идёт напрямую на порт бэкенда с /api.
+  app.use("/api", healthRouter);
+  app.use("/api", racesRouter);
 
   app.use((err: unknown, _req: Request, res: Response, _next: NextFunction) => {
     if (err instanceof SyntaxError && "body" in err) {
diff --git a/backend/test/app.test.ts b/backend/test/app.test.ts
index ff852e4..3fdedeb 100644
--- a/backend/test/app.test.ts
+++ b/backend/test/app.test.ts
@@ -12,6 +12,11 @@ test("GET /health returns ok", async () => {
   assert.ok(res.body.version.length > 0);
 });
 
+test("GET /api/health returns ok (prefix without proxy strip)", async () => {
+  const res = await request(app).get("/api/health").expect(200);
+  assert.equal(res.body.status, "ok");
+});
+
 test("GET /ready succeeds with mock database", async () => {
   const res = await request(app).get("/ready").expect(200);
   assert.equal(res.body.status, "ready");
@@ -34,6 +39,11 @@ test("GET /races accepts year and month", async () => {
   assert.ok(Array.isArray(res.body));
 });
 
+test("GET /api/races mirrors GET /races", async () => {
+  const res = await request(app).get("/api/races?year=2026&month=5").expect(200);
+  assert.ok(Array.isArray(res.body));
+});
+
 test("GET /races/:id returns not_found", async () => {
   const res = await request(app).get("/races/does-not-exist").expect(404);
   assert.equal(res.body.error, "not_found");
diff --git a/frontend/package.json b/frontend/package.json
index 38f6bd0..e52b06d 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "calendar-run-frontend",
   "private": true,
-  "version": "0.1.0",
+  "version": "0.1.1",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/api/http.ts b/frontend/src/api/http.ts
index 9aaac54..bbc99d4 100644
--- a/frontend/src/api/http.ts
+++ b/frontend/src/api/http.ts
@@ -35,10 +35,15 @@ export async function requestJson<T>(path: string, init?: RequestInit): Promise<
 
   for (let attempt = 1; attempt <= maxAttempts; attempt += 1) {
     try {
+      const defaultHeaders: Record<string, string> = {};
+      if (method !== "GET" && method !== "HEAD") {
+        defaultHeaders["Content-Type"] = "application/json";
+      }
+
       const response = await fetch(buildUrl(path), {
         ...init,
         headers: {
-          "Content-Type": "application/json",
+          ...defaultHeaders,
           ...(init?.headers ?? {}),
         },
       });
@@ -55,25 +60,6 @@ export async function requestJson<T>(path: string, init?: RequestInit): Promise<
           await delay(80 * attempt);
           continue;
         }
-        // #region agent log
-        fetch("http://127.0.0.1:7488/ingest/a18f912f-72c6-4a58-866b-17810a6b89d2", {
-          method: "POST",
-          headers: { "Content-Type": "application/json", "X-Debug-Session-Id": "587ee5" },
-          body: JSON.stringify({
-            sessionId: "587ee5",
-            hypothesisId: "H-http-not-ok",
-            location: "http.ts:requestJson",
-            message: "HTTP error response",
-            data: {
-              path,
-              status: response.status,
-              contentType: response.headers.get("content-type"),
-              payloadIsObject: payload !== null && typeof payload === "object",
-            },
-            timestamp: Date.now(),
-          }),
-        }).catch(() => {});
-        // #endregion
         throw toApiError(response.status, payload);
       }