# New response and request fields added to the following APIs : Order, Billing, Quotes, Subscription

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## Enhancements

-   New `tcb` response field in the following **Order** API:
    -   `GET /v2/commerce/orders`
-   New `is_channel_discount_applicable` response field in the following **Billing** API:
    -   `GET /v2/commerce/invoices/{invoiceNumber}`
-   New `subscription_price_list_id` response field in the following **Quote** API:
    -   `GET /v2/commerce/quotes/{quoteReferenceId}`
-   New `is_channel_discount_applicable` response field in the following **Subscription** API:
    -   `GET /v2/commerce/subscriptions/{subscriptionNumber}`
-   New `subscription_price_list_id` request field in the following **Quote** APIs:
    -   `POST /v2/commerce/quote/preview`
    -   `POST /v2/commerce/quote`
    -   `PATCH /v2/commerce/quotes/{quoteReferenceId}`