Connect Sage 300 and Medius with a secure integration that automates master data synchronization, AP invoice processing, purchase orders, payments, and approvals.
BAASS Bridge for Sage 300 and Medius

Manual data entry and disconnected finance systems slow down accounts payable processes and increase the risk of errors.
BAASS Bridge for Sage 300 & Medius provides a reliable integration between Sage 300 ERP and Medius, enabling automated data synchronization and streamlined financial workflows. From master data and purchase orders to invoice approvals and payment processing, the bridge helps finance teams improve efficiency, accuracy, and visibility across the entire procure-to-pay process.
Key Features
Master Data Synchronization
Keep critical business information aligned between Sage 300 and Medius. Synchronize: General Ledger accounts, Suppliers, Payment terms, Projects, Payment information
Purchase Order & Goods Receipt Integration
Automatically synchronize purchase orders and goods receipts from Sage 300 to Medius, eliminating duplicate data entry and ensuring invoice matching accuracy.
AP Invoice Automation
Transfer approved AP and PO invoices from Medius directly into Sage 300. The bridge supports: Expense invoices, Purchase Order invoices, Invoice validation, Status tracking, Reference management
Payment Synchronization
Synchronize payment information from Medius back to Sage 300 and automatically send voucher or error acknowledgements.
Record Management & Audit Logging
Maintain complete visibility into every synchronized transaction. Features include: Transaction history, Message ID tracking, Processing status, Success and error logging, Reference management
REST API Integration
Built using modern REST APIs for secure and reliable communication between Sage 300 and Medius.
Contact Us
Discover how this tool can work for your business. Schedule a free consultation to ask questions, explore features, and receive a personalized quote.
Why Choose BAASS Bridge for Sage 300 & Medius
Reduce Manual Processing
Automate data synchronization across finance and procurement systems to eliminate repetitive manual tasks.
Improve Data Accuracy
Reduce duplicate entry and ensure consistent financial information across Sage 300 and Medius.
Accelerate Accounts Payable
Automatically move invoices through approval and posting workflows to speed up processing.
Gain Better Visibility
Track every transaction with detailed logs, message IDs, processing status, and acknowledgements.
Enhance Financial Control
Support accurate invoice posting, payment processing, and audit readiness through automated workflows.
Scale with Confidence
Designed to support growing organizations with reliable integration that can evolve alongside your business processes.
Looking for Something More Customized?
We Build Tools Around Your Business
Not every business runs the same way. If you have specific fields, reporting formats, or validation needs, our team can build a custom version of this tool just for you.