Title: Request for Guidance on Using ajax-handler in wp-config.php
Last modified: October 1, 2025

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# Request for Guidance on Using ajax-handler in wp-config.php

 *  Resolved [arnato](https://wordpress.org/support/users/arnato/)
 * (@arnato)
 * [6 months, 3 weeks ago](https://wordpress.org/support/topic/request-for-guidance-on-using-ajax-handler-in-wp-config-php/)
 * Hi! Team,
 * I am experiencing an issue when trying to call the ajax handler in wp-config.
   php.
   After adding the line: define( ‘ADVANCED_ADS_TRACKING_LEGACY_AJAX’, true);
 * my website returns an HTTP ERROR 500.
 * Please advise me on this matter, because I cannot use the external ajax handler
   file outside of wp-config.php, as it was removed by the server firewall.
 * Note: I need to contact you through this channel since I have not received any
   response via email, and the contact form on your website shows an error and cannot
   be submitted.
 * Thank you, and I look forward to hearing back from your team.

Viewing 1 replies (of 1 total)

 *  Plugin Support [ahmeddr](https://wordpress.org/support/users/ahmeddr/)
 * (@ahmeddr)
 * [6 months, 2 weeks ago](https://wordpress.org/support/topic/request-for-guidance-on-using-ajax-handler-in-wp-config-php/#post-18670452)
 * Hi Arnato,
 * Thanks for your message and for your patience.
 * I’m closing this thread since the matter was handled through the other support
   channel.
 * If you still have any questions, please feel free to reply to my other email.
 * Best regards,

Viewing 1 replies (of 1 total)

The topic ‘Request for Guidance on Using ajax-handler in wp-config.php’ is closed
to new replies.

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## Tags

 * [tracking](https://wordpress.org/support/topic-tag/tracking/)

 * 2 replies
 * 2 participants
 * Last reply from: [ahmeddr](https://wordpress.org/support/users/ahmeddr/)
 * Last activity: [6 months, 2 weeks ago](https://wordpress.org/support/topic/request-for-guidance-on-using-ajax-handler-in-wp-config-php/#post-18670452)
 * Status: resolved