# Lightspeed Retail (X-Series) API Documentation Hub Documentation

> Documentation for Lightspeed Retail (X-Series) API Documentation Hub

Fetch the complete documentation index at: https://x-series-api.lightspeedhq.com/v1.0/llms.txt. Use this file to discover all available pages before exploring further. Append .md to any documentation page URL to get its markdown version.

## Changelog
- [2026-04 Purchase Order Read API](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-04-purchase-order-read-api.md)
- [2026-07 Voiding of other parked returns](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-07-void-other-parked-returns.md)
- [2026-07 Prevent mixing of referenced and unreferenced returns](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-07-prevent-mixing-of-referenced-and-unreferenced-returns.md)
- [2026-07 Strict Postal Code Validation (40 Countries)](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-07-extended-postal-code-validation.md)
- [2026-01 Return Sale Endpoint Method Update](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-06-return-sale-post-date-versioned-apis.md)
- [2026-05 New Sales Search Filters and Sorting](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-05-new-sales-search-filters.md)
- [2026-04 Inventory Levels Reorder Method](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-05-inventory-levels-reorder-method.md)
- [2026-04 Deprecation of Sale Fulfillment Endpoints](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-05-deprecate-sale-fulfillment-endpoints.md)
- [2026-01 Adjustment APIs](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-05-adjustment-apis-2026-01.md)
- [2026-04 Reorder Points Support](https://x-series-api.lightspeedhq.com/v1.0/changelog/2026-05-reorder-points-2026-04.md)