Automate, integrate, and innovate.
Power automation, reduce errors, and embed Alt21 capabilities directly into your workflows. No more manual steps just seamless, programmatic access to payments, accounts, and risk management.
For businesses
Integrate Alt21 directly into your business
Alt21 enables core banking providers, banks, fintechs, trading platforms, and finance teams to embed market data and automation directly into their workflows.
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Automate trading, payments, and transfers
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Generate real-time insights and alerts
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Integrate with your systems to monetise clients.
for developers
Developer-friendly by design
Alt21’s API gives developers the tools to build smarter, faster financial systems with real-time data and seamless automation.
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Stream live FX rates, order books, and market signals
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Access historical data for backtesting, analysis, and research
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Automate workflows, execute trades, and integrate low-latency operations
How to get started
Create an account
Create a Sandbox account and test your integration safely.
Explore resources
Explore our API documentation SDKs, endpoints, and examples.
Go live
Generate your production API keys and start building.
Your trusted partner for secure global trading
Seamlessly integrate Alt21
Access real-time data, automate workflows, and streamline financial operations.
FCA and EU regulated
We’re regulated by the UK FCA and authorised in the EU, ensuring your funds are secure.
Secure by design
Transactions are secure and monitored in real time, so you can focus on growth, not risk.