KAST
KAST is a global money app that lets users hold, earn, and spend stablecoins through Visa cards accepted at 100M+ merchants in 170+ countries.
What is KAST?
KAST is a financial app for people who earn or move money internationally. Users open virtual US or EU bank accounts, hold stablecoins, earn up to 7% APY in risk-adjusted vaults, and spend with Visa cards at 100M+ merchants in 170+ countries. Cashback hits in USD the moment a transaction is authorized, with no FX conversions or category restrictions.
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Developer resources from Alchemy
Stop pasting private keys into Cursor: how to give your coding agent a wallet
Give your coding agent a wallet without giving it the key. How Alchemy CLI agent wallets use scoped sessions so agents can transact without private keys in .env.
Introducing AgentPay: one integration for every agentic payment protocol
AgentPay is a protocol-agnostic payment proxy that lets any business accept payments from any AI agent — regardless of which protocol or funding source that agent uses.
How Slash built stablecoin banking with smart wallets
How Slash uses smart wallets to power gasless stablecoin banking for 3,000+ businesses globally
KAST alternatives
Explore web3 competitors and apps like KAST.
Rain
Corn
Okse Card
AmuletsApp store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
