QPI Vendor Acknowledgement Portal
Quality Packaging Inc. was managing purchase orders through a slow, fragmented process—emails, spreadsheets, and back-and-forth calls with vendors. Vendors often struggled to keep track of changes, and approvals or revisions were delayed because there was no simple, unified way to respond without creating accounts or navigating complex systems. To solve this, we built a streamlined web portal for secure, account-free vendor collaboration on purchase orders. The system generates unique, secure links for each purchase order, which can be shared directly with vendors or accessed via QR codes for convenience. Once a vendor opens the link, they can view the full purchase order details in a clean interface and take action immediately—approve or deny individual line items, propose alternative quantities, adjust pricing, or suggest new delivery dates. All responses are captured in real time and sent back into the system as formal acknowledgements, ensuring procurement teams have clear visibility into vendor decisions without manual follow-ups. The result is a frictionless procurement workflow where vendors can respond instantly without accounts, while Quality Packaging Inc. gains structured, real-time control over purchase order approvals and negotiations.
- Webhook endpoint to create purchase orders and generate secure vendor URLs
- Per-line-item approve/deny with counter-proposals for quantity, price, and due date
- Required denial notes for rejected items
- Double-submission prevention with read-only lock after submission
- Vendor-facing SPA with confirmation modal and summary view
- Bearer token protection for webhook security
- 256-bit UUID secure vendor routes
- Atomic transactions for consistent PO updates
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