Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.
online-payments payment-page payment-system paymentgateway payment-api merchant-api payment-link coinpayments-api cryptopayments web3-payments invoice-automation x402 coinbase-x402 x-402 gopay-merchant usdc-payments machine-payments-protocol crypto-payment-system crypto-checkout-form http-x402
-
Updated
Oct 7, 2026 - Python