I made a payment to my account, why are my websites still down?

When an account is suspended for non-payment, any Linodes on the account are powered down. Once you make a payment and clear the past due balance, your account is no longer suspended but the Linodes will remain powered down.

It sounds like you might just need to power on your Linode to get your sites back up and running. Navigate to your Linode's dashboard and issue a Boot job.

You may want to check that any required services used to run your site also start upon boot, otherwise your site may still be down, even after booting your Linode.