Is there a notification payload size limit? Pushy Support May 19, 2020 22:29 Updated Yes, each push notification is limited to 4kb of stringified JSON payload data. Get in touch if you need to send more. Related articles Is there an API rate limit? How can I delete or unregister devices? Why do some Chinese devices fail to receive notifications in the background? Is there a demo? Are notifications persisted for offline devices? Comments 0 comments Please sign in to leave a comment.