3PL EDI integration is the process of implementing software infrastructure to automate business-to-business (B2B) communication between third-party logistics providers and their trading partners. This integration enables real-time data exchange, streamlines operations, reduces costs, and improves accuracy in supply chain management. The benefits of 3PL EDI integration include reduced operational costs, enhanced accuracy and efficiency, faster transaction processing, improved visibility and tracking, strengthened partner relationships, scalability for business growth, and global compliance and reach. However, the challenges of 3PL EDI integration include initial setup and integration, technical complexity, data security and compliance, partner compatibility and coordination, and maintenance and updates. Various types of 3PL integration exist, including direct integration, e-commerce integration, ERP integration, and EDI vs API integration. Commonly used 3PL EDI transactions include EDI 940, EDI 943, EDI 944, EDI 947, EDI 846, and EDI 856. A software tool like CData Arc can simplify logistics workflows by providing a visual workflow designer, no-code architecture, and fully end-to-end EDI integration.