diff --git a/src/schemas/web-push.ts b/src/schemas/web-push.ts
new file mode 100644
index 000000000..9162f2bfb
--- /dev/null
+++ b/src/schemas/web-push.ts
@@ -0,0 +1,24 @@
+import { z } from 'zod';
+
+/** https://docs.joinmastodon.org/entities/WebPushSubscription/ */
+const webPushSubscriptionSchema = z.object({
+  id: z.coerce.string(),
+  endpoint: z.string().url(),
+  alerts: z.object({
+    mention: z.boolean().optional(),
+    status: z.boolean().optional(),
+    reblog: z.boolean().optional(),
+    follow: z.boolean().optional(),
+    follow_request: z.boolean().optional(),
+    favourite: z.boolean().optional(),
+    poll: z.boolean().optional(),
+    update: z.boolean().optional(),
+    'admin.sign_up': z.boolean().optional(),
+    'admin.report': z.boolean().optional(),
+  }).optional(),
+  server_key: z.string(),
+});
+
+type WebPushSubscription = z.infer<typeof webPushSubscriptionSchema>;
+
+export { webPushSubscriptionSchema, WebPushSubscription };
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