diff --git a/web/src/feature/ApiServiceCredentialsModal/index.tsx b/web/src/feature/ApiServiceCredentialsModal/index.tsx
new file mode 100644
index 0000000..07e937b
--- /dev/null
+++ b/web/src/feature/ApiServiceCredentialsModal/index.tsx
@@ -0,0 +1,65 @@
+import { createPortal } from "react-dom";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { X } from "lucide-react";
+import { useAdmin } from "@/store/admin";
+import type { ApiServiceCredentials } from "@/types";
+
+const download = (credentials: ApiServiceCredentials) => {
+  const jsonStr = JSON.stringify(credentials, null, 2);
+  const blob = new Blob([jsonStr], { type: "application/json" });
+  const url = URL.createObjectURL(blob);
+
+  const a = document.createElement("a");
+  a.href = url;
+  a.download = `credentials.json`;
+  a.click();
+
+  URL.revokeObjectURL(url);
+};
+
+const ApiServiceCredentialsModal = () => {
+  const credentials = useAdmin((state) => state.createdCredentials);
+  const resetCredentials = useAdmin((state) => state.resetCredentials);
+
+  const portalRoot = document.getElementById("portal-root");
+  if (!portalRoot || !credentials) return null;
+
+  return createPortal(
+    <div className="fixed z-50 inset-0 flex items-center justify-center bg-black/30 dark:bg-white/30 px-5">
+      <div className="rounded-2xl flex flex-col items-stretch bg-white dark:bg-black min-w-[300px] max-w-md w-full">
+        <div className="flex flex-row items-center justify-between p-4 border-b dark:border-gray-800 border-gray-300">
+          <p className="text-gray-800 dark:text-gray-200">New Credentials</p>
+          <Button variant="icon" onClick={resetCredentials}>
+            <X />
+          </Button>
+        </div>
+        <div className="p-4">
+          <div className="flex flex-col gap-2 mb-4">
+            <p className="text-gray-600 dark:text-gray-400 text-sm">
+              Client ID
+            </p>
+            <Input value={credentials.client_id} disabled />
+          </div>
+          <div className="flex flex-col gap-2 mb-4">
+            <p className="text-gray-600 dark:text-gray-400 text-sm">
+              Client Secret
+            </p>
+            <Input value={credentials.client_secret} disabled />
+          </div>
+          <div className="mt-4 flex flex-row items-center justify-between">
+            <Button variant="contained" onClick={resetCredentials}>
+              Close
+            </Button>
+            <Button variant="outlined" onClick={() => download(credentials)}>
+              Download
+            </Button>
+          </div>
+        </div>
+      </div>
+    </div>,
+    portalRoot,
+  );
+};
+
+export default ApiServiceCredentialsModal;
diff --git a/web/src/pages/ApiServices/Create/index.tsx b/web/src/pages/ApiServices/Create/index.tsx
index 9ac8f7e..e580b8f 100644
--- a/web/src/pages/ApiServices/Create/index.tsx
+++ b/web/src/pages/ApiServices/Create/index.tsx
@@ -1,7 +1,9 @@
 import Breadcrumbs from "@/components/ui/breadcrumbs";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
-import type { FC } from "react";
+import ApiServiceCredentialsModal from "@/feature/ApiServiceCredentialsModal";
+import { useAdmin } from "@/store/admin";
+import { useCallback, type FC } from "react";
 import { useForm } from "react-hook-form";
 import { Link } from "react-router";
 
@@ -26,13 +28,31 @@ const ApiServiceCreatePage: FC = () => {
     },
   });
 
-  const onSubmit = (data: FormData) => {
-    console.log("Form submitted:", data);
-    // handle create logic here (e.g. API call)
-  };
+  const createApiService = useAdmin((state) => state.createApiService);
+
+  const credentials = useAdmin((state) => state.createdCredentials);
+
+  const onSubmit = useCallback(
+    (data: FormData) => {
+      console.log("Form submitted:", data);
+      createApiService({
+        name: data.name,
+        description: data.description ?? "",
+        redirect_uris: data.redirectUris.trim().split("\n"),
+        scopes: data.scopes.trim().split(" "),
+        grant_types: data.grantTypes
+          ? data.grantTypes.trim().split(" ")
+          : ["authorization_code"],
+        is_active: data.enabled,
+      });
+    },
+    [createApiService],
+  );
 
   return (
     <div className="p-4">
+      {credentials !== null && <ApiServiceCredentialsModal />}
+
       <Breadcrumbs
         items={[
           { href: "/admin", label: "Admin" },