payments / open source
PayShard
Non-custodial checkout and invoicing. Funds settle straight into your wallet.
PayShard is open-source, non-custodial invoicing and checkout. Your application creates an invoice over a REST API, sends the customer to a hosted checkout page, and gets a signed webhook when it’s paid. It runs as one container with PostgreSQL.
WHAT IT DOES
Never holds your keys
Every invoice gets its own address derived from your extended public key. Only you can spend the funds.
Stablecoin checkout
Customers pay in USDC on Base or Arbitrum One.
Hosted, branded checkout
Browser wallets, QR codes, live payment status and receipts, in your branding.
Signed webhooks
Your app hears about paid invoices through signed webhooks with retries.
Prepaid plans
Sell prepaid time blocks or unit bundles from a simple product and price catalogue.
Admin behind DarkAuth
Invoices, refunds, cold-storage sweeps and an audit log, all behind DarkAuth sign-in.
WHERE IT FITS
PayShard runs on Puzed Platform, so it sits on hardware you own alongside the rest of the Puzed stack.