DOCUMENTATION · API V4
Build with Fluxo.
Guides, references and examples for every Fluxo product — from your first test payment to millions of transactions a day.
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Accept payments
Checkout, payment intents, saved cards and subscriptions.
Send payouts
Recipients, instant payouts, batches and FX.
Issue cards
Cardholders, spend controls and real-time authorization.
Treasury
Balances, sweeps, yield and cash forecasting.
Risk & disputes
Scoring, custom rules, 3DS and chargeback automation.
Webhooks
Events, signatures, retries and local testing.
GETTING STARTED