You can track your sales from the Earnings page which is found under the profile drop down. There you'll find your "Sales history" which breaks down all your sales. Sales take 45 days to process.
Under the "Payout status" column you'll see the status for each photo in relation to a payout. Once a photo is available to be paid out it will be listed under the "Available" status. When a particular payout is processing it will display the "Processing" status. The "Paid" status is for photos that have already been paid out. Finally the "Failed" status is displayed when a payout has failed.
Ensure that your Payout setup is complete before requesting a Payout.
Then you can request a Payout by clicking on the "Request payout" button and confirming. Once you've requested your Payout, it will show under the "Payout history" section:
We can send payments via the following (please note that options vary by country):
eCheck / Local Bank Transfer: $5.50 fee
Wire Transfer: $16.50-$28.60 fee
* We do not charge for PayPal transfers, however they may be subject to PayPal fees.
Please note your “Available to Request Payout” amount must be at least $30.00 to request a payout. Payouts are processed by 500px every 10 - 15 business days.