I'm using the built-in Backbone Client whenever I try to make a request it gives me this error: {"code":"rest_cookie_invalid_nonce","message":"Cookie nonce is invalid","data":{"status":403}}

I read the Rest API Handbook - Authentication, and from what I've learned I don't need to do any manual setting.

Plugins in use:

  • Askimet Anti-spam
  • WP Fastest Cache
  • iThemes
  • WP Bannerize
  • Yoast

Side note: I'm using the client for for lazyloading and search.

  • What kind of API request are you trying? Commented Jun 18, 2018 at 7:19
  • Only GET requests of Posts collections. As I've said, just for lazyloading and search results. Commented Jun 18, 2018 at 18:42
  • A logout/login fixed this for me.
    – Sven
    Commented Feb 13, 2020 at 17:32

1 Answer 1


I delete wpApiSettings.nonce at the top of my app.js, perhaps not an ideal solution but it works.

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