API reference, Xpend B2B
Auth header
All requests use a Bearer credential. Public checkout endpoints are unauthenticated and intended to be called from browsers.
Payment intents
v1Create, list, and inspect inbound payment attempts.
Open
Payouts
v1Send funds to wallets or fiat rails with cancellation safety.
Open
Balances
v1Per-asset settlement balances.
Open
Ledger credits
v1Append-only credit history feeding balances.
Open
Assets
v1Supported chains and tokens (live capability flags).
Open
FX rates
v1Merchant offramp rate and OnSwitch onramp reference quotes.
Open
Webhooks
v1Endpoints, deliveries, supported event types.
Open
Merchant
v1Auth, profile, settlement, API credentials, IP allowlists, email OTP, payout OTP, users.
Open
Public checkout
publicHosted sessions, quotes, storefronts.
Open
Full OpenAPI explorer
autoAuto-rendered surface from openapi.public.json.
Open