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Payment processors

BTCPay Server

Bitcoin and Lightning, paid straight from the customer's wallet to yours through a BTCPay Server you run or share. Nobody holds the coins in between.

At a glance

Where
Anywhere. There is no account to open with anyone and no identity check.
Currencies
Invoices are priced in your store's currency. BTCPay converts at its own rate when the invoice is created, and you are paid in bitcoin.
Confirmation
Automatic. The processor tells Sellstamp, and the order is paid and delivered with no action from you.
Refunds
Not through Sellstamp. Return the money yourself, then record the refund on the order.
Subscriptions
No. One-off purchases only.

What you need

  • Your server's URL and store ID
  • A Greenfield API key from your server
  • The secret of the webhook you register there

Connecting it

  1. On your BTCPay Server, create a Greenfield API key for the store and a webhook pointed at the URL shown on the payment settings page.
  2. Paste the server URL, store ID, API key and webhook secret into Payments → BTCPay Server, then run the connection test.

Worth knowing

  • Refunds are issued from BTCPay's own invoice page. Sellstamp has no way to hand the customer a claim link.
  • The server URL must be on the public internet. Private and loopback addresses are refused.