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SLG’s APIs allow businesses to integrate logistics functionality directly into their systems, including:

✅ Real-Time Rate Shopping – Instantly pull LTL shipping rates from multiple carriers.
✅ Automated Shipment Booking – Schedule pickups and shipments via API.
✅ Tracking & Status Updates – Get live shipment tracking directly in your platform.
✅ Electronic BOL & Label Generation – Generate shipping documents on demand.
✅ Freight Invoice & Audit Data – Automate invoice retrieval and cost verification.

SLG’s API services provide a modern, flexible way to integrate logistics functionality directly into a business’s existing ERP, WMS, e-commerce, or TMS platform. Unlike EDI, which operates in batch transactions, APIs enable real-time data exchange, making shipping and tracking more efficient.

• Instantly fetch LTL shipping rates from SLG’s extensive carrier network.
• Compare rates, transit times, and carrier service levels in real-time.
• Automate carrier selection based on cost and delivery speed.

Use Case: A business can integrate SLG’s rate shopping API into its ERP system, allowing users to pull shipping rates directly within an order management interface.

• Instantly create and book shipments via API without logging into a separate portal.
• Schedule pickups with SLG’s carrier network automatically.
• Reduce manual data entry and potential errors in shipment processing.

Use Case: An e-commerce retailer can automate LTL shipment scheduling whenever a large order is placed, ensuring faster fulfillment.

• Retrieve live shipment tracking data from carriers.
• Automate shipment status updates, including delays, exceptions, and estimated delivery times.
• Enhance customer experience with real-time shipment visibility.

Use Case: A distributor can use the API to provide automated shipment tracking on their customer portal, reducing customer service calls.

• Generate Bill of Lading (BOL) documents automatically.
• Create barcoded skid labels for shipments.
• Improve warehouse efficiency by printing labels directly at shipping stations.

Use Case: A warehouse management system (WMS) can auto-generate BOLs when a shipment is created, ensuring accurate documentation and compliance.

• Pull carrier invoices in real-time.
• Automate freight audit processes by validating charges against quoted rates.
• Identify and dispute incorrect freight charges automatically.

Use Case: An accounting system can use the API to cross-check carrier invoices before processing payments, eliminating overcharges.

Feature                        API                                      EDI

Data Transfer Speed  Real-Time                            Batch Processing

Ease of Integration    Simple (JSON/XML)            Requires EDI Mapping

Flexibility                    Highly Customizable            Fixed Format

Error Handling            Immediate Response          Requires Reprocessing

Best For                       Dynamic, fast-Operations   High-volume, structured transactions 

APIs are ideal for businesses that require real-time data, while EDI is better suited for companies handling large-scale, standardized transactions. Many businesses use both depending on their needs.