Reference

Storefront API

Catalog, carts and checkout, for headless storefronts and custom buying flows. 31 endpoints in version 2026-11.

Basics

Base URL: https://api.storelyne.com
Version: In the path: /storefront/2026-11/. Inside a version we only add things. How versions work.
Authentication: Send a public storefront token in the Storefront-Token header. Issue one with the Admin API. It can only read the catalog and run a checkout, so it is safe in a browser. Authentication.
Format: JSON in and out, UTF-8. Timestamps are ISO 8601 in UTC. IDs carry a prefix, for example prd_ for products.
Money: Integers in the smallest unit (paise for INR) with a currency: 49900 is ₹499.00.
Lists: ?limit=&after= and { data, has_more, next_cursor }. Pagination.
Retries: Every POST takes an Idempotency-Key. Idempotent requests.
Errors: One shape with a stable code and a trace_id. Error codes.
Limits: RateLimit-* headers on every response. Rate limits.

Carts and their lines.

Checkout attempts, payment methods and what happened in each attempt.

The catalog, collections, pages and the shop as buyers see them.