Amazon Vendor Central and Prima
Integration Agency & Consultants
Operational pressure between Amazon Vendor Central and Prima usually peaks when Purchase Order volume outpaces the finance team's ability to reconcile them. At scale, manual entry leads to internal record IDs drifting from Amazon SKUs, causing inventory truth to break down. We focus on securing the data flow so that seasonal spikes in vendor orders do not result in reconciliation debt or stock discrepancies in your ERP.
Auditing your marketplace and ERP gaps
We connect Amazon Vendor Central and Prima quickly, supporting your Marketplaces and ERP integrations. Our consulting services are invaluable, with our system audit services uncovering inefficiencies and integration gaps across Amazon Vendor Central, Prima, Marketplaces, and ERP platforms. This enables our consultants and your team to take decisive action, ensuring your tech ecosystem runs efficiently. By addressing issues early, we help you deliver a great experience to your customers and keep your business operations running smoothly across all your key systems.
Solution Design
For the Amazon Vendor Central and Prima pair, design decisions prioritise the accuracy of the financial close and inventory truth. Prima is typically established as the master for product records and stock levels, with Amazon receiving inventory updates on a defined schedule. We often choose to batch financial settlement data rather than pushing it in real time. While real-time syncing provides immediate visibility, batching allows for more reliable reconciliation against Prima's ledger and reduces system load during high-volume periods. We sequence the flow of Purchase Orders into Prima Sales Orders first to ensure fulfilment remains the priority. This design supports finance in closing the month with accurate data while operations maintains visibility over warehouse availability. This approach prioritises data stability for long-term reporting.
Establishing Prima as the inventory authority
The integration establishes Prima as the central authority for financial and inventory truth. Amazon Vendor Central Purchase Orders move into Prima as Sales Orders, triggering the fulfilment workflow. Once processed, status updates flow back to Amazon to satisfy vendor compliance requirements. Inventory levels are pushed from Prima to Amazon at defined intervals to protect against overselling. The integration layer actively monitors these flows, checking that invoice values in Prima align with Amazon settlement data. This prevents ownership leakage, where tax or fee data begins to drift between the two systems, ensuring the financial records in Prima remain the source of truth.
Orchestrating workflows on secure Middleware platforms
Leveraging IPaaS with ISO 27001 and SOC 2 and above security accreditations enables secure, efficient integration between Amazon Vendor Central, Prima, Marketplaces, and ERP systems. This approach simplifies connecting Amazon Vendor Central and Prima to Marketplaces and ERP platforms, ensuring data integrity and compliance. IPaaS platforms offer centralised management, robust security, and scalability, making integrations more reliable and future-proof for businesses handling sensitive data and complex workflows.
Surfacing orphaned orders and mapping errors
Dashboards often create a sync illusion that everything is functional while data discrepancies quietly compound. True visibility in an Amazon Vendor Central and Prima integration requires monitoring for orphaned Purchase Orders and mismatched product IDs that stall the order-to-cash process. We surface these errors within the integration layer to help prevent delivery delays. By identifying why specific records failed to post, teams can resolve data mapping issues before they become a barrier to the monthly financial close.
Handing over the financial operating model
Adoption is led by the finance and operations teams, who own the ongoing health of the integration. We hand over a practical operating model that defines how data moves between Prima and Amazon Vendor Central. Teams learn what to check on a regular basis, such as monitoring order sync health and resolving common data exceptions. Training is anchored in these specific business processes, ensuring staff know how to handle discrepancies between systems. Documentation is provided as an operational reference for the people running the business, rather than a technical manual. This approach ensures that your team maintains control over the daily integration flow and understands the source of truth for stock and financials.
Managing reconciliation debt after launch
Post-launch support focuses on preventing operational drift. If an Amazon Purchase Order fails to import or a settlement file contains unmapped fees, the integration layer flags the exception immediately. This prevents a backlog of reconciliation debt that typically surfaces only during month-end. We monitor for sync health and data integrity, ensuring that as Amazon Vendor Central SKU lists change, the mapping to Prima remains accurate. Our proactive approach ensures that data discrepancies are handled before they impact financial reporting.
Common failures
Incorrect unit of measure on purchase orders
Operational impact: Amazon orders a 'case' of 12, but Prima's SKU is priced and stocked as an 'each'. This causes major discrepancies in sales order values, inventory depletion, and fulfilment data. The finance team cannot reconcile order values, and the fulfilment team either over-ships or must manually correct every order, creating significant operational drag and risk of chargebacks.
Prevention / Action: Establish Prima as the master for all item data, including Unit of Measure (UoM) and case pack configurations. The integration logic must translate Amazon's PO quantities based on the UoM specified in the incoming order data, mapping it correctly to Prima's SKU structure before the sales order is created. Pre-processing checks should flag any POs containing unrecognised SKUs or UoMs, holding them in an exception queue for manual review.
Late or inaccurate shipping notifications
Operational impact: Amazon Vendor Central has strict windows for receiving Advance Shipping Notice (ASN) data before a delivery arrives at its fulfilment centre. Failure to transmit an accurate ASN from Prima after dispatch results in costly compliance chargebacks. At scale, these charges erode margins and negatively affect vendor performance scores, jeopardising the commercial relationship.
Prevention / Action: The integration process should automatically generate and transmit the ASN immediately after an Item Fulfilment or equivalent dispatch record is created in Prima. The data mapping must ensure that carrier and tracking information from Prima is correctly formatted for Amazon's requirements. Integration monitoring should explicitly track ASN transmission success, with alerts for failures and a defined process for the operations team to manually resend.
Inventory latency causing unfulfillable orders
Operational impact: Prima's stock level is the source of truth, but if inventory updates to Amazon's systems are slow, Amazon may issue a Purchase Order (PO) for a product that is already out of stock. This leads to PO rejections or cancellations, which hurts the vendor's fulfilment rate and reliability metrics. The commercial team then spends time managing the fallout with Amazon instead of focusing on growth.
Prevention / Action: Organise the inventory sync from Prima to Amazon to run on a frequent, scheduled basis, ensuring Prima's 'available to sell' calculation is the definitive source. The integration should also include a process for acknowledging POs. Only after confirming stock availability in Prima should a Purchase Order Acknowledgement be sent to Amazon, preventing commitment to orders that cannot be fulfilled.
Financial reconciliation gaps
Operational impact: Amazon's settlement reports and self-billed invoices often contain adjustments for shortages, marketing co-op fees, and chargebacks which do not exist on the original PO in Prima. The finance team is then forced into a time-consuming manual process to match Amazon's payment Journals to Prima's Sales Orders. This delays the month-end close and obscures the true profitability of the Amazon channel.
Prevention / Action: Design the integration to pull Amazon's settlement and remittance data, staging it for reconciliation against fulfilled Sales Orders in Prima. The process should automate the matching of undisputed invoices and flag exceptions, such as chargebacks or promotional deductions, for the finance team. This creates a dedicated workflow for managing discrepancies rather than discovering them during the bank reconciliation.
Frequently asked questions
Amazon Vendor Central issues Purchase Orders by the case, but Prima tracks individual units. How does the integration handle this?
The integration must correctly translate Amazon's case-pack Purchase Orders into Prima Sales Orders with the right quantity of individual SKUs. A mismatch, for example ordering 100 cases but receiving it as 100 units in Prima, leads to incorrect stock fulfilment and invoicing errors. This ensures what the warehouse ships matches the Amazon PO, preventing chargebacks.
We use Prima as our inventory master. How do we ensure Amazon receives an accurate stock level to prevent POs for out-of-stock items?
The integration treats Prima as the source of truth for inventory, sending available stock levels to Amazon Vendor Central on a regular schedule. It is critical to define which Prima stock figure is sent, such as 'Available to Sell' versus total physical stock, to avoid promising allocated inventory. This prevents Amazon raising Purchase Orders that you cannot fulfil, which can impact your vendor rating.
What happens if Amazon Vendor Central does not receive a Purchase Order Acknowledgment from Prima in time?
Failing to send a timely Purchase Order Acknowledgment from Prima back to Amazon Vendor Central can lead to the PO being automatically cancelled by Amazon. The integration ensures that when a Sales Order is created in Prima from an Amazon PO, an acknowledgement is generated and transmitted immediately. This confirms your commitment to supply and prevents lost revenue from cancelled orders.
How do new Purchase Orders from Amazon Vendor Central get into our Prima ERP system?
The integration automates the capture of new Purchase Orders from Amazon Vendor Central, creating them directly as Sales Orders in Prima. This avoids manual data entry, which is a common source of error for SKUs, quantities, and required delivery windows. With Prima as the central system for order management, this step ensures the entire order-to-cash process starts with accurate data.