Title: 400 error
Last modified: July 13, 2023

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# 400 error

 *  Resolved [duliom](https://wordpress.org/support/users/duliom/)
 * (@duliom)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/400-error-11/)
 *  OneSignal Push: There was a 400 error sending your notification.
 * when installing this this error happens, what is the reason?

Viewing 1 replies (of 1 total)

 *  Plugin Author [OneSignal Push Notifications](https://wordpress.org/support/users/onesignal/)
 * (@onesignal)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/400-error-11/#post-16893783)
 * Hi there, if you are still having issues please reach out to [support@onesignal.com](https://wordpress.org/support/topic/400-error-11/support@onesignal.com?output_format=md)
   with your site URL.
 * We would be happy to look into it!

Viewing 1 replies (of 1 total)

The topic ‘400 error’ is closed to new replies.

 * ![](https://ps.w.org/onesignal-free-web-push-notifications/assets/icon.svg?rev
   =3003897)
 * [OneSignal - Web Push Notifications](https://wordpress.org/plugins/onesignal-free-web-push-notifications/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/onesignal-free-web-push-notifications/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/onesignal-free-web-push-notifications/)
 * [Active Topics](https://wordpress.org/support/plugin/onesignal-free-web-push-notifications/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/onesignal-free-web-push-notifications/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/onesignal-free-web-push-notifications/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [OneSignal Push Notifications](https://wordpress.org/support/users/onesignal/)
 * Last activity: [2 years, 10 months ago](https://wordpress.org/support/topic/400-error-11/#post-16893783)
 * Status: resolved