# Create a Stripe one-off payment

Uses the payment method collected by Stripe Elements to create a one off payment.

Endpoint: POST /blaize/payment/stripe/buy
Version: 2025-07-30
Security: CookieBlaizeSession, JwtQuery, JwtHeaderXBlaizeJwt, JwtHeaderXZephrJwt, JwtBearer, JwtCookie

## Request fields (application/json):

  - `product_id` (string, required)
    Product ID/slug
    Example: "lifetime-membership"

  - `price_point_id` (string, required)
    Price Point ID/slug
    Example: "gold-package"

  - `payment_method` (string, required)
    Payment method from Stripe Elements UI.
    Example: "pm_123456789"

  - `payment_intent_id` (string)
    PaymentIntent ID returned after confirming a card payment.
    Example: "pi_1GYZYWLgUJT2XNPAYQMomeqf"

## Response 200 fields (application/json):

  - `grant_id` (string)
    New grant of product bundle to user
    Example: "aa583cb8-51d1-4bd9-9ec7-3a43796ef8e5"

  - `client_secret` (string)
    Reference to Stripe payment required to process payment in front end.
    Example: "src_client_secret_QfsM25CJ2uCMon72MiOmUNTj`"

  - `payment_intent_id` (string)
    Reference to the payment intent if payment requires confirmation.
    Example: "pi_1GYZYWLgUJT2XNPAYQMomeqf"