Create main.py

main.py

@@ -0,0 +1,36 @@
+from fastapi import FastAPI, Request, Header, HTTPException
+import httpx
+
+app = FastAPI()
+
+# Replace with your actual backend API key and base URL
+API_KEY = "sk-qO9N6kQEEULMWtF4YGVlTTSjIPllEm1h1wfEBzSmnSbxiXwe"
+BASE_URL = "https://fast.typegpt.net"
+
+# Custom public header
+PUBLIC_API_KEY = "TypeGPT-Free4ALL"
+
+@app.api_route("/{path:path}", methods=["GET", "POST"])
+async def proxy(request: Request, path: str, x_api_key: str = Header(None)):
+    if x_api_key != PUBLIC_API_KEY:
+        raise HTTPException(status_code=401, detail="Invalid API key")
+
+    # Reconstruct full URL to target
+    target_url = f"{BASE_URL}/{path}"
+
+    # Prepare headers and body
+    headers = dict(request.headers)
+    headers["Authorization"] = f"Bearer {API_KEY}"
+    headers.pop("host", None)
+
+    body = await request.body()
+
+    async with httpx.AsyncClient() as client:
+        response = await client.request(
+            request.method,
+            target_url,
+            content=body,
+            headers=headers
+        )
+
+    return response.json()