POST /api/v1/business/offramps with the quote and funding wallet. External-wallet flows return settlement instructions. Managed-wallet flows can execute from the customer’s managed balance when enabled.
Live settlement verifies canonical USDC transfer logs, sender, recipients, exact amounts, receipt success, and required confirmations before provider submission.
The initial Business API scope is EVM-only. Base is the initial validation chain. Do not advertise Ethereum or Solana off-ramping until each has been explicitly enabled and validated.