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ChangelogAdmin API 3.4 and MCP OAuth

Admin API 3.4 and MCP OAuth

October 19, 2026

Admin API clients and MCP integrations get a clearer 3.4 surface, new read/media endpoints, and a proper OAuth path for connecting AI clients to Finqu.

Added

  • Admin API version 3.4 (OpenAPI default and client constants moved to 3.4).
  • GET /gift-cards — merchant-scoped gift card list (search, purchased/expired filters, channel, sort).
  • GET /marketing/discounts/{discountId} — single discount read.
  • GET /inventories/{inventoryId}/items — filter by updated_after / updated_before, stock balance, and sort (updated_at, created_at, quantity, name).
  • Image flip in media modifications; POST /media/videos/{id}/process for video trim/mute/cover-style processing.
  • MCP OAuth: discovery, dynamic client registration, consent policy, merchant client sync, and hardened tokens (lifetime caps, refresh families, RFC 8707 resource) so tools like Cursor can connect with the MCP URL.

Changed

  • Broader public OpenAPI coverage for carts, scopes, POS, channel URLs, taxonomy, webhooks, customer portal, and related sale/payment fields.
  • Payment metafields are embedded on nested sale payment responses.
  • Success Agent text-action Admin API endpoints were unmounted.