Rhino.fi provides a cross-chain liquidity layer for stablecoins, enabling businesses to onboard users, move value, and expand globally through a single API and SDK for instant stablecoin interoperability across over 35 chains. The platform's key features include a Developer Portal for managing API keys and transactions, a powerful API for bridging and swapping, a Smart Deposit feature for accepting stablecoins from any chain without a wallet connection, and a customizable widget for easy integration. Rhino.fi serves various clients in payments, app-chains, and DeFi, helping them manage stablecoin flows and unlock new opportunities in the DeFi space.