# Introduction
CJ API enables developers to access CJ system.
Knowledge Base Update Recommendation
If you develop with AI assistance (calling CJ APIs via MCP / AI clients), we recommend refreshing your local knowledge base monthly (sync the latest API docs and MCP tool list) to stay current with interface, field, and capability changes and avoid errors caused by outdated documentation.
# Update Announcements
| Update Time | Update Content | STATUS | JUMP URL |
|---|---|---|---|
| 2025-11-18 | 【Warehouse Management】 Add a new interface "Get Storage Info". | New Interface | View Details |
| 2025-11-19 | 【Inventory Query Enhancement】 The "Query Inventory by Product ID" interface adds a new returned field: Sub-warehouse List, supporting queries for the detailed inventory distribution of products across all sub-warehouses. | Function Enhancement | View Details |
| 2025-12-02 | 【Logistics Process】 Add complete documentation for the "Platform Logistics Order Processing", detailing the full-process status flow from order placement to receipt. | Documentation Added | View Details |
| 2026-10-26 | 【Order Logs】 "Query Order Logs" adds fullTimeline to return every log record, and now checks that the order belongs to you in both modes (orders of other accounts return 1603100). | Function Enhancement | View Details |
| 2026-10-26 | 【New Interfaces】 Available Shipping Methods by SKU, Reachable Countries of a Shipping Method, Look Up Replaced Tracking Number, Query Product Connection Logs, Query API Call Logs. | New Interface | View Details |