Zero Hash is a company that offers API-first technology and turnkey regulatory infrastructure to help businesses seamlessly launch cryptocurrency products. They provide solutions for trading, payments, loyalty programs, and custody of cryptocurrencies. Zero Hash serves various industries, including investment and trading platforms, payment issuers and gateways, banks, and brands. They offer an API, along with resources and support for developers. Zero Hash prioritizes compliance and offers modular solutions that can scale with different crypto needs.