API Evangelist enhancements for the Shopify Ajax API

overlay: 1.0.0
info:
  title: API Evangelist enhancements for the Shopify Ajax API
  version: 1.1.0
extends: ../openapi/_original/shopify-ajax-api-openapi.yml
x-provenance:
  generated: '2026-08-27'
  method: generated
  source: https://shopify.dev/docs/api/usage/versioning.md and https://shopify.dev/docs/api/ajax (fetched 2026-08-27)
actions:
- target: $.info
  description: Record that this surface is unversioned and carries no deprecation window.
  update:
    x-api-evangelist:
      versioned: false
      versioning_note: >-
        The Ajax API is explicitly listed as UNVERSIONED in Shopify's versioning reference. It may
        change at any time with no deprecation window and no support commitment. The 2025-01 stamped
        on the captured spec is the capture date, not an API version.
      scope: storefront, same-origin, theme-only
      auth: none (session cookie); not callable cross-origin from a server
      source: https://shopify.dev/docs/api/usage/versioning
- target: $.info
  description: Point at the modern equivalents of this surface.
  update:
    x-superseded-by:
    - name: Storefront API (GraphQL)
      url: https://shopify.dev/docs/api/storefront
      sdl: ../graphql/shopify-storefront-api.graphql
    - name: Storefront MCP / UCP cart tools
      url: https://shopify.dev/docs/apps/build/storefront-mcp
      note: >-
        get_cart and update_cart on the Storefront MCP server subsume getCart, addToCart, updateCart,
        changeCartItem and clearCart from this spec. See ../mcp/shopify-tool-crosswalk.yml.
- target: $.info
  description: Attach the derived artifacts.
  update:
    x-artifacts:
      conventions: ../conventions/shopify-conventions.yml
      tool_crosswalk: ../mcp/shopify-tool-crosswalk.yml