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Changelog

Notable changes to the Hydra API, SDK, and admin panel.

September 2026

Store credit system — Issue store credit to customers, apply at checkout, and track balances with full transaction history.
PDF credit notes — Automatically generate PDF credit notes for refunds, attached to refund records and available for download.
Order detail UX overhaul — Redesigned order detail page with inline fulfillment, refund actions, printable documents, and an event timeline.
Returns and refunds — Full return request workflow (request, approve, receive, reject) and refund processing with line-item granularity.
Navigation menus API — Create and manage navigation menus and menu items for storefronts, with nested tree structures.
PDF invoice generation — Generate and download PDF invoices for orders, with customizable store branding.
Merchant analytics dashboard — Sales, orders, and product performance stats with daily aggregation and date range filtering.
Abandoned cart recovery — Track abandoned checkouts and trigger recovery notifications after configurable time windows.
Timezone support — Store-level timezone configuration for accurate reporting and scheduled operations.
Draft order improvements — Fixed draft order conversion flow and improved refund service integration.

MCP server — Model Context Protocol server for AI agent tool access to the Hydra API.
TypeScript SDK — Official @gethydra/sdk client with typed methods for every API resource.
Search synonyms and merchandising — Configure search synonyms, one-way mappings, and merchandising rules to pin, boost, bury, or hide products in search results.
Purchase orders — Create and manage purchase orders for supplier inventory replenishment, with receiving and line-item tracking.
Fulfillment workflow — Fulfillment orders, fulfillments, and shipment tracking with carrier integration support.
Discount codes — Fixed-amount and percentage discount codes with usage limits, date ranges, minimum purchase requirements, and customer eligibility rules.
B2B companies and customer groups — Company profiles with contacts and addresses, customer groups with automatic and manual membership.
Multi-location inventory — Track inventory across multiple locations with transfer and adjustment support.
Promotions — Automatic promotions engine with buy-X-get-Y, percentage-off, and fixed-amount rules targeting products, collections, or entire orders.

Metafields — Custom data fields on products, variants, customers, orders, and collections with typed definitions and validation.
Webhook system — Register webhook endpoints, manage event subscriptions, and receive real-time notifications with automatic retry and exponential backoff.
Shipping zones and rates — Define shipping zones by country and region, configure flat-rate, weight-based, and price-based shipping rates.
Tax configuration — Tax groups and rates with country and region-level tax rules, customer tax exemptions.
Image CDN with ThumbHash LQIP — R2-backed image storage with CDN delivery and client-generated ThumbHash placeholders for instant low-quality image previews.
Exchange rates and multi-currency — Automatic daily exchange rate sync, multi-currency pricing, and currency conversion at checkout.