v1 Cart & Checkout

SellAuth-compatible theme endpoints under /api/v1/.

Get cart

GET /api/v1/cart?storeId=…&cart=…

Normalizes/hydrates cart JSON for Nunjucks themes.

POST /api/v1/checkout

Body (typical):

{
  "shopId": "store-id-or-subdomain",
  "cart": [],
  "email": null
}

Response:

{
  "url": "https://YOUR_APP_ORIGIN/checkout/…",
  "orderId": "…"
}

CSRF exempt for theme use. No route-level rate limit in the current handlers — protect at the edge if exposed broadly. See Nunjucks Theme API.

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