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Help Center

Custom Chrome extension, website plugin and ERP / marketplace API integration. Connect your business systems, unify cross-platform data for European cross-border companies.

Help Center

Last Updated: September 10, 2026

Welcome to our Help Center. Browse user guides, API references and frequently asked questions for our cross-border ERP system, Chrome extension and AI automation services.

User Guide

Step-by-step tutorials covering account setup, marketplace authorization, product import, order management, data synchronization and daily operations. You can manage your independent website templates in the backend, and call block-based content within templates to build your site pages flexibly.

API Documentation

Complete API reference, including authentication methods, request parameters, response examples, rate limits and error codes. Build custom integrations and automated workflows.

FAQ

Answers to common questions about subscriptions, billing, data security, platform connection and system troubleshooting.

Technical Support

Contact our support team if you cannot find solutions in documents. Email us at contact@jianrentangfyx.cn with your account ID and detailed issue description.