Optionalnext_Instructions for the next action the payer or client must take.
Optionalmechanism?: ("iframe" | "browser")[]Allowed presentation mechanisms for the next step. iframe means the flow can be embedded, while browser means it can be completed through a full-page redirect.
Optionalmethod?: stringHTTP method to use when following the next step.
Optionalpayload?: {Parameters required to complete the next step. The exact keys depend on the payment provider and flow type.
Optionalredirect_url?: stringMerchant URL where the payer returns after the external flow finishes.
Optionalurl?: stringURL to open or submit in order to continue processing.
Checkout Accepted
Response returned when checkout processing requires an additional payer action, such as a 3DS challenge or a redirect to an external payment method page.