SAP B1 and Amazon Seller Central
Integration Agency & Consultants
Operational pressure on Amazon usually spikes when inventory levels in SAP B1 cannot update fast enough to reflect peak sales. When available stock is locked in complex warehouse logic within the ERP, delays in pushing that data to Seller Central lead to overselling and immediate account health warnings. We connect SAP B1 and Amazon Seller Central to solve the sync latency that threatens your seller rating and prevents late shipment penalties during critical trading windows.
Auditing inefficiencies across your marketplace ecosystem
We connect SAP B1 and Amazon Seller Central, supporting ERP and Marketplaces integration for growing businesses. Our consulting services are invaluable, with our system audit uncovering inefficiencies between SAP B1, Amazon Seller Central, ERP, and Marketplaces. This enables our consultants and your team to take decisive action, ensuring your technology ecosystem runs efficiently. By identifying integration gaps and workflow issues, we help you deliver a great customer experience and keep your operations running smoothly.
Solution Design
Our design for SAP B1 and Amazon Seller Central establishes SAP B1 as the financial and inventory master, with Amazon acting as a high-velocity sales channel. We prioritise frequent inventory pushes to Amazon to prevent overselling, while settlement reports are processed as batched journal entries to ensure clean reconciliation. A primary design decision involves the inventory logic. We map SAP B1 warehouse distributions into a flattened Amazon inventory record, using a defined buffer to protect against sync latency during peak periods. High-frequency inventory updates are necessary but increase system load, a trade-off we manage by sequencing inventory movements ahead of less critical data syncs. This ensures operations work from a live stock view across different fulfilment methods, while finance retains a clear internal record for VAT and settlement reporting.
Synchronising orders and stock levels securely
Orders from Amazon Seller Central flow into SAP B1 as Sales Orders, triggering fulfilment workflows and generating tax-compliant invoices as the financial system of record. SAP B1 acts as the inventory master, pushing updated stock levels to Amazon to prevent overselling during high-volume periods. This logic handles the translation of SAP B1 warehouse locations into Amazon's flat inventory requirements to maintain listing accuracy.
Fulfilment details and tracking numbers sync back to Amazon within the mandated window to protect your seller rating. For FBA models, the integration pulls settlement data into SAP B1 to reconcile Amazon's reports against your local ledger. The integration continuously monitors for delays, ensuring that status updates are acknowledged before they impact your Amazon Account Health.
Centrally managed flows on secure infrastructure
Leveraging IPaaS with ISO 27001 and SOC 2 and above accreditations ensures secure, efficient integration between SAP B1 and Amazon Seller Central. This approach connects ERP and Marketplaces, automates data flow, and reduces manual errors. Using IPaaS, SAP B1 and Amazon Seller Central integrations are managed centrally, supporting ERP and Marketplaces growth while meeting strict security standards.
Detecting logic breaks and settlement gaps
Dashboards showing green lights do not always confirm that Amazon and SAP B1 are in sync. Genuine visibility requires detecting logic breaks before they impact Amazon Account Health or Late Shipment Rates. Conventional monitoring often misses cases where data appears to move but fails to process correctly within the ERP.
Operational intelligence focuses on these silent failures: - Inventory status drift: Detecting when SAP B1 warehouse logic fails to translate into Amazon's flat inventory requirements, leading to incorrect available stock figures. - Fulfilment latency: Warnings when tracking numbers have not synchronised from SAP B1 to Seller Central within the Amazon mandatory window. - Settlement gaps: Identifying Amazon settlement report lines that lack a clear destination in the SAP B1 chart of accounts.
Surfacing these exceptions early allows teams to resolve order acknowledgement failures before they trigger seller rating penalties.
Practical handover for finance and operations
Handover focuses on the finance and operations teams, who own the daily outcomes of the integration. Finance teams are trained to reconcile Amazon settlement reports against SAP B1 records, identifying where fees require adjustment. Operations teams learn to monitor the sync between SAP B1 and Amazon listings, specifically how to read alerts regarding sync delays or inventory mismatches. We provide operational documentation that explains the flow of Sales Orders and where each exception type lives, such as tax mapping errors or tracking failures. This documentation is written for the people running the business, serving as a practical guide for daily checks rather than a technical archive. Ownership of each data object is clearly defined between the ERP and the marketplace.
Protecting account health and seller ratings
Support focuses on maintaining the operational integrity of the SAP B1 and Amazon connection, specifically where data delays threaten your Seller Rating. We monitor the flow of order notifications to ensure they are acknowledged in SAP B1 and that tracking numbers return to Amazon within the required window. Our team manages the reconciliation backlog caused by Amazon settlement reports that do not immediately align with SAP B1 invoices. By providing proactive monitoring, we address discrepancies where stock levels might otherwise diverge between the ERP and Seller Central. This approach ensures your Amazon account remains healthy while SAP B1 provides a consistent, tax-compliant record for month-end close.
Common failures
Inventory latency and overselling
Operational impact: Mapping SAP B1's multi-warehouse (OWHS) or bin-level stock to Amazon's single inventory figure is frequently mismanaged. This leads to inflated stock levels on the marketplace, resulting in overselling. Consequent order cancellations negatively affect Amazon seller metrics, and the customer service and fulfilment teams must manage the fallout of failed Sales Orders.
Prevention / Action: The integration's logic must correctly aggregate 'available-to-promise' stock from all relevant SAP B1 sources for each SKU. A buffer stock rule should be implemented to account for sync latency. The process must be scheduled frequently, with monitoring to ensure the 'source of truth' for inventory in SAP B1 is accurately reflected on the sales channel.
Delayed despatch confirmation and late shipments
Operational impact: Amazon requires timely tracking number uploads to maintain a healthy Late Shipment Rate (LSR). If the integration fails to pull tracking details from the SAP B1 Delivery document and update Seller Central before the 'Ship By' date, the LSR increases. This directly jeopardises Amazon Account Health and eligibility for programmes like Seller Fulfilled Prime.
Prevention / Action: Design the integration to prioritise the flow of tracking data from SAP B1 to Amazon as soon as it is available. This update process should be treated as critical, with robust error handling and immediate alerts queued for the operations team upon failure. This allows for manual intervention to protect the seller rating without delaying other data synchronisation.
FBA financial reconciliation gaps
Operational impact: Amazon settlement reports contain numerous transaction types for fees, reimbursements, and other costs that do not map directly to standard journal entries in SAP B1. This forces the finance team into extensive manual investigation to reconcile payouts and close the books, often leaving Amazon's 'Unavailable Balances' or reimbursements as unresolved discrepancies.
Prevention / Action: The integration must map all known Amazon transaction types to specific G/L accounts in SAP B1 during the design phase. A clearing account strategy should be used to handle complex or unrecognised settlement transactions. This isolates exceptions for review by the finance team without halting the automated reconciliation of routine orders and fees.
Unprocessed FBA inventory adjustments
Operational impact: Amazon frequently adjusts FBA inventory for units that are lost, found, or damaged in their fulfilment centres. If the corresponding adjustment reports are not processed, SAP B1's record of FBA stock and its asset value becomes inaccurate. The finance team may also miss posting the related financial reimbursements, skewing profitability data.
Prevention / Action: Implement a scheduled task to retrieve and process Amazon's inventory adjustment reports. The integration logic must translate these events into the correct SAP B1 transactions, such as Goods Issues or Goods Receipts, and trigger the associated journal entries. Clear ownership for monitoring these automated adjustments must be assigned to an operational or finance team.
Frequently asked questions
Our stock is held across multiple warehouses in SAP B1. How does this map to our Amazon listings?
This is a critical design step, as a simple one-to-one mapping often fails. The integration logic must correctly aggregate inventory from your specified SAP B1 warehouses (OWHS) to present a single, accurate stock figure for each Amazon FBM listing. Without this, you risk overselling and damaging your Amazon account health by promising stock you do not have available.
How can we avoid Amazon's late shipment penalties if SAP B1 is our system for fulfilment?
Protecting your Amazon Account Health depends on timely data synchronisation. Once a delivery note and tracking number are created in SAP B1 for a Merchant Fulfilled (FBM) order, that data must be pushed to Amazon Seller Central before the 'ship-by' date. A delay in sending the tracking number from SAP B1 to Amazon can directly increase your Late Shipment Rate, jeopardising your seller privileges.
Amazon's settlement reports are complex. How can we reconcile these payouts in SAP B1?
The integration must accurately translate Amazon's settlement reports into a format SAP B1 can use, typically creating a single journal entry per payout. This process must correctly categorise various fees, refunds, and charges, while also accounting for Amazon's rolling 'Unavailable Balance' or reserves. Otherwise, your finance team will spend hours manually matching transactions, delaying the month-end close.
We use both FBA and FBM. How does the integration differentiate these fulfilment workflows?
The integration must be configured to handle both FBA and FBM order flows differently within SAP B1. An FBM order should create a standard Sales Order in SAP B1 that requires picking and despatch from your warehouse. In contrast, an FBA order should typically create a Sales Invoice or a pre-fulfilled Sales Order to ensure your financials and stock levels are recorded correctly without triggering an internal fulfilment process.
How do you create customer records in SAP B1 when Amazon masks the buyer's email address?
You cannot use the Amazon-provided masked email as a unique identifier for a customer record in SAP B1. A common and robust approach is to create a single, generic 'Amazon Marketplace' customer in SAP B1 and associate all orders with it. The individual Amazon Order ID is then mapped to a reference field on the SAP B1 Sales Order to ensure every transaction is uniquely traceable without creating unusable customer data.