FxQuote and PaymentIntentAmountDetailsLineItemcreate, list, and retrieve methods on resource FxQuoteattach_payment_intent method on resource Invoiceregistration_date on Account.company, AccountCreateParams.company, AccountUpdateParams.company, and TokenCreateParams.account.companycustomer_reference and order_reference on ChargeCaptureParams.payment_details, ChargeUpdateParams.payment_details, PaymentIntent.payment_details, PaymentIntentCaptureParams.payment_details, PaymentIntentConfirmParams.payment_details, PaymentIntentCreateParams.payment_details, and PaymentIntentUpdateParams.payment_detailstax_id on Charge.billing_details, ConfirmationToken.payment_method_preview.billing_details, ConfirmationTokenCreateParams.testHelpers.payment_method_data.billing_details, PaymentIntentConfirmParams.payment_method_data.billing_details, PaymentIntentCreateParams.payment_method_data.billing_details, PaymentIntentUpdateParams.payment_method_data.billing_details, PaymentMethod.billing_details, PaymentMethodCreateParams.billing_details, PaymentMethodUpdateParams.billing_details, SetupIntentConfirmParams.payment_method_data.billing_details, SetupIntentCreateParams.payment_method_data.billing_details, SetupIntentUpdateParams.payment_method_data.billing_details, and Treasury.OutboundPaymentCreateParams.destination_payment_method_data.billing_detailsprice_data on Checkout.SessionUpdateParams.line_items[]Checkout.SessionUpdateParams.line_items[].quantity from longInteger to emptyable(longInteger)script on CouponCreateParams and Coupontype on Couponfx_quote.expired on enum Event.typeaffirm on enums Invoice.payment_settings.payment_method_types, InvoiceCreateParams.payment_settings.payment_method_types, InvoiceUpdateParams.payment_settings.payment_method_types, QuotePreviewInvoice.payment_settings.payment_method_types, Subscription.payment_settings.payment_method_types, SubscriptionCreateParams.payment_settings.payment_method_types, and SubscriptionUpdateParams.payment_settings.payment_method_typesfx_quote on PaymentIntentConfirmParams, PaymentIntentCreateParams, PaymentIntentUpdateParams, PaymentIntent, TransferCreateParams, and Transferdiscount_amount, line_items, shipping, and tax on PaymentIntent.amount_detailspix on PaymentMethodConfigurationCreateParams, PaymentMethodConfigurationUpdateParams, and PaymentMethodConfigurationus_cfpb_data on Person and TokenCreateParams.personpending_reason on Refundaw, az, bd, bj, et, kg, la, and ph on Tax.Registration.country_options and Tax.RegistrationCreateParams.country_optionsfx_quote.expired on enums WebhookEndpointCreateParams.enabled_events and WebhookEndpointUpdateParams.enabled_eventsFxQuoteExpiredEvent with resource FxQuoteFetched March 31, 2026