diff --git a/web/src/pages/ApiServices/Update/index.tsx b/web/src/pages/ApiServices/Update/index.tsx
new file mode 100644
index 0000000..1920159
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+++ b/web/src/pages/ApiServices/Update/index.tsx
@@ -0,0 +1,199 @@
+import Breadcrumbs from "@/components/ui/breadcrumbs";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import ApiServiceUpdatedModal from "@/feature/ApiServiceUpdatedModal";
+import { useAdmin } from "@/store/admin";
+import { useCallback, useEffect, type FC } from "react";
+import { useForm } from "react-hook-form";
+import { Link, useParams } from "react-router";
+
+interface FormData {
+  name: string;
+  description: string;
+  redirectUris: string;
+  scopes: string;
+  grantTypes: string;
+}
+
+const ApiServiceEditPage: FC = () => {
+  const {
+    register,
+    handleSubmit,
+    formState: { errors },
+    setValue,
+  } = useForm<FormData>({
+    defaultValues: {
+      scopes: "openid",
+    },
+  });
+
+  const { serviceId } = useParams();
+  const apiService = useAdmin((state) => state.viewApiService);
+
+  const loadService = useAdmin((state) => state.fetchApiService);
+
+  const updateApiService = useAdmin((state) => state.updateApiService);
+  const updating = useAdmin((state) => state.updatingApiService);
+  const updated = useAdmin((state) => state.updatedApiService);
+
+  const onSubmit = useCallback(
+    (data: FormData) => {
+      console.log("Form submitted:", data);
+      updateApiService({
+        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"],
+      });
+    },
+    [updateApiService],
+  );
+
+  useEffect(() => {
+    if (typeof serviceId === "string") loadService(serviceId);
+  }, [loadService, serviceId]);
+
+  useEffect(() => {
+    if (apiService != null) {
+      setValue("name", apiService.name);
+      setValue("description", apiService.description);
+      setValue("redirectUris", apiService.redirect_uris.join("\n"));
+      setValue("scopes", apiService.scopes.join(" "));
+      setValue("grantTypes", apiService.grant_types.join(" "));
+    }
+  }, [apiService, setValue]);
+
+  return (
+    <div className="p-4">
+      {updated && <ApiServiceUpdatedModal />}
+
+      <Breadcrumbs
+        items={[
+          { href: "/admin", label: "Admin" },
+          { href: "/admin/api-services", label: "API Services" },
+          { label: "Create new API Service" },
+        ]}
+      />
+      <form onSubmit={handleSubmit(onSubmit)}>
+        {/* Service Information */}
+        <div className="border dark:border-gray-800 border-gray-300 rounded mt-4 flex flex-col">
+          <div className="p-4 border-b dark:border-gray-800 border-gray-300">
+            <h2 className="text-gray-800 dark:text-gray-200">
+              Service Information
+            </h2>
+          </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">Name</p>
+              <Input
+                placeholder="Display Name"
+                {...register("name", { required: "Name is required" })}
+              />
+              {errors.name && (
+                <span className="text-red-500 text-sm">
+                  {errors.name.message}
+                </span>
+              )}
+            </div>
+
+            <div className="flex flex-col gap-2 mb-4">
+              <p className="text-gray-600 dark:text-gray-400 text-sm">
+                Description
+              </p>
+              <textarea
+                {...register("description", {
+                  required: "Description is required",
+                })}
+                className="dark:text-gray-100 border border-gray-300 dark:border-gray-700 rounded placeholder:text-gray-600 text-sm p-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
+                placeholder="Some description goes here..."
+              ></textarea>
+              {errors.description && (
+                <span className="text-red-500 text-sm">
+                  {errors.description.message}
+                </span>
+              )}
+            </div>
+          </div>
+        </div>
+
+        {/* OpenID Connect */}
+        <div className="border dark:border-gray-800 border-gray-300 rounded mt-4 flex flex-col">
+          <div className="p-4 border-b dark:border-gray-800 border-gray-300">
+            <h2 className="text-gray-800 dark:text-gray-200">OpenID Connect</h2>
+          </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">
+                Redirect URIs
+              </p>
+              <textarea
+                {...register("redirectUris", {
+                  required: "At least one URI is required",
+                })}
+                className="dark:text-gray-100 border border-gray-300 dark:border-gray-700 rounded placeholder:text-gray-600 text-sm p-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
+                placeholder="Enter multiple URIs separated with new line"
+              ></textarea>
+              {errors.redirectUris && (
+                <span className="text-red-500 text-sm">
+                  {errors.redirectUris.message}
+                </span>
+              )}
+            </div>
+
+            <div className="flex flex-col gap-2 mb-4">
+              <p className="text-gray-600 dark:text-gray-400 text-sm">Scopes</p>
+              <Input
+                placeholder="Scopes separated with space"
+                {...register("scopes", { required: "Scopes are required" })}
+              />
+              {errors.scopes && (
+                <span className="text-red-500 text-sm">
+                  {errors.scopes.message}
+                </span>
+              )}
+            </div>
+
+            <div className="flex flex-col gap-2 mb-4">
+              <p className="text-gray-600 dark:text-gray-400 text-sm">
+                Grant Types
+              </p>
+              <Input
+                placeholder="Leave empty for 'authorization_code'"
+                {...register("grantTypes")}
+              />
+            </div>
+          </div>
+        </div>
+
+        {/* Final Section */}
+        <div className="border dark:border-gray-800 border-gray-300 rounded mt-4 flex flex-col">
+          <div className="p-4 border-b dark:border-gray-800 border-gray-300">
+            <h2 className="text-gray-800 dark:text-gray-200">
+              Approve & Submit
+            </h2>
+          </div>
+          <div className="p-4">
+            <div className="flex flex-row items-center justify-between gap-2 mt-4">
+              <Button type="submit" loading={updating}>
+                Update
+              </Button>
+              <Link to="/admin/api-services">
+                <Button
+                  variant="text"
+                  className="text-red-400 hover:text-red-500"
+                >
+                  Cancel
+                </Button>
+              </Link>
+            </div>
+          </div>
+        </div>
+      </form>
+    </div>
+  );
+};
+
+export default ApiServiceEditPage;