Calypso Pay is described as 'Lets merchants receive payments in crypto from their clients and pay their partners and workers almost instantly with minimal commissions' and is a payment processing service in the business & commerce category. There are more than 10 alternatives to Calypso Pay, not only websites but also apps for a variety of platforms, including SaaS, Wordpress, Android and iPhone apps. The best Calypso Pay alternative is CoinGate. It's not free, so if you're looking for a free alternative, you could try CryptoPay - Crypto Payment Gateway or NOWPayments. Other great sites and apps similar to Calypso Pay are Coinbase Commerce, BitPay, CoinPayments and OxaPay.
PrivCart is a crypto payment gateway for online stores. You add one line of code and your checkout takes 12 assets: XMR, BTC, ETH, LTC, SOL, USDT, USDC, USDS, DAI, WBTC, XAUT and ZCHF.
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