Amazon generates structured data sets from your account activity. Each report covers a specific area: orders, inventory, settlements, fees, reimbursements, and more. The fields on each page show exactly what data that report contains and how it is labeled in Amazon's system.
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Last updated -
June 13, 2026
What This Report Covers
✅ The Inventory Health report returns Amazon's full inventory planning dataset per SKU, including aged inventory brackets, days of supply, sell-through rate, and inventory health status.
✅ Estimated aged inventory surcharges are included by day bracket so you can see exactly which SKUs are approaching fee thresholds before the charge hits.
✅ Amazon's restock recommendations, recommended ship-in quantity, and recommended ship-in date are included so you can act on restocking signals directly from the data.
The Amazon FBA Inventory Health report returns Amazon's full inventory planning dataset for each SKU. It covers aged inventory by day bracket, days of supply, sell-through rate, restock recommendations, estimated storage costs, and aged inventory surcharge projections in a single report.
Supported Fields
What Sellers Use This For
Aged inventory surcharge forecasting. The quantity-to-be-charged-ais-* and estimated-ais-* fields by day bracket show exactly which SKUs are approaching or already in surcharge territory and what the projected cost is. Acting on this data before the charge date is how you avoid paying it.
Restock planning. Recommended ship-in quantity, Recommended ship-in date, and days-of-supply give you Amazon's own restocking signals per SKU. Pull these into a sheet to build a reorder calendar without manually checking each product.
Sell-through monitoring. sell-through, weeks-of-cover-t30, and weeks-of-cover-t90 show how quickly each SKU is moving relative to available stock. A low sell-through with high aged inventory is the signal to run a promotion or plan a removal before surcharges accumulate.
Storage cost projection. estimated-storage-cost-next-month gives you the forward-looking storage fee per SKU so you can factor it into margin calculations before the bill arrives.
How Gorilla ROI Pulls This Data
Gorilla ROI connects to the Amazon SP-API ReportsAPI using the GET_FBA_INVENTORY_PLANNING_DATA report type. Data updates automatically on a regular schedule. No csv exports. No manual downloads. The numbers are current the moment you open the sheet. Feed AI with our data to stay on top and ahead of your business.
For field definitions, see the Amazon Seller Data Supported article in our help center.
Other Amazon SP-API Reports and Fields
This data is available through our Amazon Seller Central Reports
Frequently
Asked Questions
What is a Seller Central report?
Where does Gorilla ROI get this data?
We pull directly from Amazon's Selling Partner API. No third-party intermediaries. No manual csv exports. The data comes from Amazon's own reporting infrastructure, the same source Seller Central uses to generate your reports.
How current is the data once it's connected?
Data refreshes automatically on a regular schedule. The exact cadence varies by report type based on how frequently Amazon makes that data available through the API.
Do I need to download anything or export from Seller Central?
No. Once connected, your account data pulls automatically. There are no csv files to export, no manual steps, and no scheduled downloads to manage.
Can I pull multiple reports at the same time?
Yes. Each report maps to a separate dataset. You can pull as many as your account supports and work with them side by side.
What does the "API" column in the field table mean?
It identifies which Amazon SP-API endpoint provides that data. Different report types pull from different APIs: the Reports API, Orders API, FBA Inventory API, Product Pricing API, and others. This helps you understand the data source behind each field.
Are all fields listed on each page actually available in my account?
Field availability depends on your seller account type and the marketplaces you sell in. FBA-specific fields, for example, are not available to FBM-only accounts. The fields listed reflect what Amazon exposes through the API for that report.
What if I don't see a report I need?
Check the data-supported page for the full list of reports we pull. If the report you need is not there, contact our support team. We add reports based on seller demand.
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