Fystack is an infrastructure platform offering APIs, CLI tools, and dashboards for stablecoin custody, payments, and treasury automation. It features multi-chain wallet management, compliance, policy controls, and both self-hosted and managed deployment options, targeting fintech developers and businesses integrating digital assets.
Fystack is a Payments infrastructure product. It enables businesses and developers to securely manage, automate, and integrate stablecoin payments and custody. It is built as a B2B product for fintech developers and businesses handling digital assets. Fystack is commercial open source (Apache-2.0). The product ships for the web, the command line, and API, and it can be self-hosted.
Fystack first shipped in 2023. Development happens publicly on GitHub with 178 stars and 11 commits in the last 90 days. Key capabilities include Wallet APIs, treasury automation, and policy engine. It exposes integrations via a public API.
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