Most problems come down to a webhook that can’t reach your site, credentials for the wrong mode, or a Paddle account setting. Start with the page that matches what you see.
Orders stay pending after payment
What to check when Paddle took the payment but the EDD order is still Pending.
Checkout problems
The “Checkouts are failing” warning, “Something went wrong” and a missing Paddle option.
Test connection errors
What each Test connection message means and how to fix it.
Taxes, invoices and duplicate webhooks
Double tax, invoice links that are not ready yet, and webhooks that arrive twice.
Turn on debug logging
Tick Debug logging in the Paddle settings, reproduce the problem, then look at Downloads → Tools → Debug Log for lines starting with Paddle:. Problems are logged even with the setting off.
Still stuck? Contact support with the log lines and the order number.