v4
latestOpenAPI 3.1.02026-08-08186985685.3 KBcheckout
Get USDC Authorization Message (EVM only)
Gets the USDC authorization message to be signed by the customer for dual-source payments. The signed message allows the customer's USDC to be used alongside credit card payment.
This is only necessary for EVM chains when using customer USDC + credit card payment.
post/checkout/evm/usdc-authorization
Headers
x-coinflow-auth-session-keystring required
The session key generated for the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key
Request body
Response
Ok