Yolfi is a non-custodial cryptocurrency payment gateway for online businesses. Merchants can create payment links and subscription plans, or integrate hosted checkout using the REST API, JavaScript SDK, CLI and MCP server. Payments go directly to the merchant wallet, and signed webhooks let applications confirm orders or unlock access. Supported networks include Bitcoin, Ethereum, BNB Chain, Solana, Tron, Arbitrum, Polygon and Base. The platform charges a flat 1% transaction fee with no setup fee or monthly minimum. Blockchain network fees are separate.