Title: rest_missing_callback_param
Last modified: May 5, 2024

---

# rest_missing_callback_param

 *  Resolved [wng_z3r0](https://wordpress.org/support/users/wng_z3r0/)
 * (@wng_z3r0)
 * [2 years ago](https://wordpress.org/support/topic/rest_missing_callback_param/)
 * After installing the plugin, I’m unable to get the webfinger endpoint working.
 *     ```wp-block-code
       {"code":"rest_missing_callback_param","message":"Missing parameter(s): resource","data":{"status":400,"params":["resource"]}}
       ```
   
 * Any ideas?
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Frest_missing_callback_param%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [wng_z3r0](https://wordpress.org/support/users/wng_z3r0/)
 * (@wng_z3r0)
 * [2 years ago](https://wordpress.org/support/topic/rest_missing_callback_param/#post-17733448)
 * Of course making a post helped figure it out 🙂 I was missing `$if_args$args`
   on my nginx config
 *  Plugin Author [Matthias Pfefferle](https://wordpress.org/support/users/pfefferle/)
 * (@pfefferle)
 * [2 years ago](https://wordpress.org/support/topic/rest_missing_callback_param/#post-17734764)
 * 🙂
 * I am glad you found the issue and thanks for sharing your solution!
    -  This reply was modified 2 years ago by [Matthias Pfefferle](https://wordpress.org/support/users/pfefferle/).

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘rest_missing_callback_param’ is closed to new replies.

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 * 2 replies
 * 2 participants
 * Last reply from: [Matthias Pfefferle](https://wordpress.org/support/users/pfefferle/)
 * Last activity: [2 years ago](https://wordpress.org/support/topic/rest_missing_callback_param/#post-17734764)
 * Status: resolved