crypto-payment-system

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.

Turnkey iGaming platform suite with casino frontend, backend, game integrations, user management, agent balance system, and optional crypto payment gateway. Built for operators who need a fast, customizable launch with managed integration support.

Non-custodial Bitcoin payment infrastructure. Public docs, integration examples, and a runnable reference you can verify yourself.

Official CryptoDAX WHMCS plugin to accept crypto payments, including Bitcoin, Ethereum, TRON, USDT, and USDC.

Telegram-Payment-Bot: Customizable, multi-language Telegram-Shop bot. Seamlessly integrate Stripe-Payments and Crypto for automated eCommerce.

Invoice-based USDT/USDC payment gateway for Ethereum Sepolia: Solidity contract, QR checkout (viem + WalletConnect) and merchant dashboard. Hardhat tests, testnet only. Mints an on-chain ERC-721 payment receipt.

Crypto-Payment-Form: Open-source Stripe-for-Crypto gateway. Accept Bitcoin, Ethereum, and Litecoin for eCommerce and in-person merchant sales.

Telegram-Payment-Bot: Customizable, multi-language Telegram-Shop bot. Seamlessly integrate Stripe-Payments and Crypto for automated eCommerce.

k402 agent-payable APIs on Kaspa no account or API key

Pay, send or integrate crypto your solution

Full-stack crypto subscription payment infrastructure featuring recurring stablecoin payments, SIWE authentication, blockchain event listeners, and merchant APIs.