Build with sFOX
Institutional crypto infrastructure. Access trading, custody, liquidity, and settlement through production-ready APIs built for institutional markets.
The Only API That Sees the Full Picture
Integrate trading, custody, and compliance through a single, unified infrastructure layer.
Protocol flexibility
REST, WebSocket, and FIX APIs for high-frequency trading and simple integrations.
Sandbox environment
Test your integration with zero risk using our full-feature sandbox before going live.
Unified access
One API key accesses all asset classes, banking rails, and custody solutions.
Everything You Need to Build and Scale
The sFOX Developer Platform combines trading, custody, and compliance into a single integration, reducing complexity and accelerating time-to-production.
- Consistent primitives across products
Orders, balances, accounts, and transactions behave consistently across trading, custody, and banking rails, reducing edge cases and integration complexity. - Production-grade reliability
Built for institutional uptime, with deterministic responses, predictable error handling, and operational transparency.
- Compliance-aware by design
Regulatory context, account structures, and reporting are embedded directly into the API with no bolt-on workflows required from your team. - Built to evolve with your business
Start simple, then expand into advanced execution, custody, and reporting without re-architecting your integration.
Trusted by
Integrate with confidence. Supported at every stage.
Extensive API documentation with 24/7 customer support and integration consulting from launch through scale
