Troubleshooting

The popup won't close when authorization is finished for redirect payment methods

Drop-in Checkout relies on bidirectional Websocket communication with PPRO servers. If connection can't be established, you will see one of the errors below in the browser's console:

Solution

Please make sure that Drop-in Checkout can connect to https://api.ppro.com/v1/payment-sessions-ws?id=...endpoint.

Common reasons for problem with connecting to this endpoint are:

• no publicKey provided as part of pproAPIConfigoption
• Content-Security-Policy restriction.
• CORS restrictions.