Payment — References

OpenSpec (source of truth)

Topic	Spec
Payment core	`openspec/specs/payment/spec.md`
Gateway/settings/unified page	`openspec/specs/payment-gateway-settings/spec.md`, `openspec/specs/payment-settings-unified-page/spec.md`
Method availability/toggle	`openspec/specs/payment-method-availability/spec.md`, `openspec/specs/payment-method-master-toggle/spec.md`
PayLater	`openspec/specs/pay-later-bu-availability/spec.md`, `openspec/specs/pay-later-category-options/spec.md`, `openspec/specs/pay-later-pending-flow/spec.md`, `openspec/specs/paylater-display-name/spec.md`
PayNow/Windcave	`openspec/specs/windcave-checkout-mode/spec.md`, `openspec/specs/windcave-rest-checkout/spec.md`
Direct Debit/Kiwi	`openspec/specs/kiwi-direct-debit-bu-scoping/spec.md`, `openspec/specs/kiwi-directdebit-customer-create/spec.md`
Deposit	`openspec/specs/deposit/spec.md`
Change payment method	`openspec/specs/change-payment-method-modal/spec.md`
Checkout success	`openspec/specs/payment-success-message-by-method/spec.md`, `openspec/specs/checkout-success-message-method-resolution/spec.md`, `openspec/specs/checkout-success-surfaces/spec.md`