traditional Boston, United States
Cayan (TSYS)
US payment technology brand, originally founded as Merchant Warehouse in 1998 and rebranded to Cayan in 2015. Acquired by TSYS in January 2018 (deal valued ~$1.05B), and now operates as a subsidiary of Global Payments following Global Payments' 2019 acquisition of TSYS. Provides the Genius unified-commerce platform, developer APIs, and integrated merchant services for US retailers and restaurants.
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Fees from
Custom
Settlement
1–2 business days
Coverage
1 country
Payment methods
4
Dev tools
Sandbox Webhooks
Fees shown are indicative, not a binding quote. Always verify directly with Cayan (TSYS) before signing.
Best for
US integrated Genius POS and developer-first card processing
Key features
Enterprise
Instant Sandbox
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