diff --git a/main b/main
index 6cd2192..ac93889 100644
--- a/main
+++ b/main
@@ -248,14 +248,15 @@ async def apiopeniduserinfo():
 
         return datatemplate
 
-@app.route("/api/auth", methods=("GET", "POST"))
+@app.route("/api/auth", methods=("GET"))
 async def apiauthenticate():
-    if request.method == "POST":
-        data = await request.get_json()
-        secretKey = data["secretKey"]
-        appId = data["appId"]
-        code = data["code"]
-        codemethod = data["codemethod"]
+    if request.method == "GET":
+        secretKey = request.headers.get["secretKey"]
+        appId = request.args.get["client_id"]
+        code = request.args.get["code_challenge"]
+        codemethod = request.args.get["code_challenge_method"]
+        redirect = request.args.get["redirect_uri"]
+        state = request.args.get["state"]
 
         userCookie = get_session(secretKey)
         user = get_user(userCookie["id"])
@@ -299,7 +300,7 @@ async def apiauthenticate():
         conn.close()
 
         if secretkey:
-            return secretkey, 200
+            return redirect(redirect_uri + "?code=" + secretkey + "&state=" + state), 200
         else:
             return {}, 400