# Preview the Stripe subscription price

Generates a preview of the total price and tax amount that Stripe will charge the customer if they
create a new subscription for the specified plan.

Note: This method does not create any entities in Stripe and does not result in any payments being made.

Endpoint: POST /zephr/payment/stripe/create-subscription-previews
Version: 2025-07-30
Security: CookieBlaizeSession, JwtQuery, JwtHeaderXBlaizeJwt, JwtHeaderXZephrJwt, JwtBearer, JwtCookie

## Request fields (application/json):

  - `product_id` (string, required)
    The ID of the new Zephr product.
    Example: "zephr-prod-1"

  - `plan_id` (string, required)
    The new Stripe price plan ID.
    Example: "price_H8eIeMFwMawg6w"

  - `promo_code` (string)
    The Stripe promo code that will be attached to the subscription.
    Example: "discount15"

  - `billing_country` (string)
    The user's billing country, for tax calculation purposes.
    Example: "US"

  - `billing_post_code` (string)
    The user's billing postal code, for tax calculation purposes.
    Example: "90210"

## Response 200 fields (*/*):

  - `total` (number)
    The total amount the user will be initially charged for the subscription in the relevant currency's lowest denomination (e.g. pence), i.e. for a monthly subscription, the first month's cost.
    Example: 5000

  - `sub_total` (number)
    The total amount minus tax for the initial charge in the relevant currency's lowest denomination (e.g. pence).
    Example: 4500

  - `tax` (number)
    The tax amount for the initial charge in the relevant currency's lowest denomination (e.g. pence).
    Example: 500

  - `discount` (number)
    The discount amount for the initial charge in the relevant currency's lowest denomination (e.g. pence).


## Response 400 fields