commerce-8.x-2.8/modules/payment/commerce_payment.routing.yml

commerce_payment.configuration:
  path: '/admin/commerce/config/payment'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Payment'
  requirements:
    _permission: 'access commerce administration pages'

entity.commerce_payment.add_form:
  path: '/admin/commerce/orders/{commerce_order}/payments/add'
  defaults:
    _form: '\Drupal\commerce_payment\Form\PaymentAddForm'
    _title: 'Add payment'
  options:
    parameters:
      commerce_order:
        type: 'entity:commerce_order'
  requirements:
    _entity_create_any_access: 'commerce_payment'

entity.commerce_payment.operation_form:
  path: '/admin/commerce/orders/{commerce_order}/payments/{commerce_payment}/operation/{operation}'
  defaults:
    _entity_form: 'commerce_payment.operation'
  options:
    parameters:
      commerce_order:
        type: 'entity:commerce_order'
      commerce_payment:
        type: 'entity:commerce_payment'
  requirements:
    _commerce_payment_operation_access: 'TRUE'

entity.commerce_payment.collection:
  path: '/admin/commerce/orders/{commerce_order}/payments'
  defaults:
    _entity_list: 'commerce_payment'
    _title: 'Payments'
  options:
    parameters:
      commerce_order:
        type: 'entity:commerce_order'
  requirements:
    _permission: 'administer commerce_payment'

entity.commerce_payment_method.add_form:
  path: '/user/{user}/payment-methods/add'
  defaults:
    _form: '\Drupal\commerce_payment\Form\PaymentMethodAddForm'
    _title: 'Add payment method'
  requirements:
    _custom_access: '\Drupal\commerce_payment\Access\PaymentMethodAccessCheck::checkAccess'
  options:
    parameters:
      user:
        type: entity:user

entity.commerce_payment_method.collection:
  path: '/user/{user}/payment-methods'
  defaults:
    _entity_list: 'commerce_payment_method'
    _title: 'Payment methods'
  requirements:
    _custom_access: '\Drupal\commerce_payment\Access\PaymentMethodAccessCheck::checkAccess'
  options:
    parameters:
      user:
        type: entity:user

commerce_payment.checkout.return:
  path: '/checkout/{commerce_order}/{step}/return'
  defaults:
    _controller: '\Drupal\commerce_payment\Controller\PaymentCheckoutController::returnPage'
  requirements:
    _custom_access: '\Drupal\commerce_checkout\Controller\CheckoutController::checkAccess'
    _module_dependencies: commerce_checkout
  options:
    parameters:
      commerce_order:
        type: entity:commerce_order

commerce_payment.checkout.cancel:
  path: '/checkout/{commerce_order}/{step}/cancel'
  defaults:
    _controller: '\Drupal\commerce_payment\Controller\PaymentCheckoutController::cancelPage'
  requirements:
    _custom_access: '\Drupal\commerce_checkout\Controller\CheckoutController::checkAccess'
    _module_dependencies: commerce_checkout
  options:
    parameters:
      commerce_order:
        type: entity:commerce_order

commerce_payment.notify:
  path: '/payment/notify/{commerce_payment_gateway}'
  defaults:
    _controller: '\Drupal\commerce_payment\Controller\PaymentNotificationController::notifyPage'
  requirements:
    _access: 'TRUE'
  options:
    parameters:
      commerce_payment_gateway:
        type: entity:commerce_payment_gateway