Testing for Theme and Plugin Conflicts
How to rule out theme and plugin conflicts if things aren't working right.
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Frequently Asked Questions
Frequently asked questions.
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System Requirements for WP Simple Pay
Web host requirements and recommendations (PHP, SSL, etc). -
Caching
How to detect and troubleshooting site caching issues. -
Plugin .zip File Automatically Un-zips Upon Download
Some web browsers, especially Safari on Macs, will un-zip the “.zip” file automatically upon download. If this happens, you will... -
rest_cookie_invalid_nonce – Cookie nonce is invalid/Cookie check failed
Sometimes you or your site visitors might experience issues related to caching while using WP Simple Pay. In most cases,... -
Coupon security check failed
Sometimes you or your site visitors might experience issues related to caching while using WP Simple Pay. In most cases,... -
406/403 Not Acceptable – ModSecurity
ModSecurity is an open source firewall solution that some web hosts automatically enable on their servers. Some configurations of ModSecurity... -
Sorry, you have made too many requests. Please try again later
WP Simple Pay automatically limits the number of consecutive requests that can be made by a single IP address. By... -
rest_no_route – No route was found matching the URL and request method.
WP Simple Pay uses WordPress’ REST API to process payment forms and the REST API endpoints must be accessible for... -
What Happens After A Payment?
What Happens To Form Data After A Payment Is Completed? Where can I see payment data that get submitted? More... -
Defender Pro Settings
A setting in Defender Pro can cause issues with Google Pay/Apple Pay -
Wordfence Security Settings
A setting in Wordfence Security can cause issues with WP Simple Pay -
Is WP Simple Pay compatible with WordPress Multisite?
WP Simple Pay is compatible with WordPress Multisite -
Switching Stripe Accounts
If you need to connect to a different Stripe account you must remove the payment forms created for the previous Stripe account and recreate them within WP Simple Pay -
Anti-Spam by Clean Talk Settings
For some users Anti-Spam by Clean Talk will block payment forms and display an error