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Full Amazon synchronization
Automatically sync catalog, inventory, orders, fees, financial events and returns from your authorized Amazon Seller Central accounts.
Your whole business in one place
A system built to manage your Amazon business end to end
Sellyox automatically syncs Amazon Seller Central and centralizes operations, costs and analysis so you do not have to rebuild every decision across Amazon, invoices and isolated spreadsheets.
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Line-level orders
Review gross sale, taxable base, VAT, Amazon fees, net received, partial or full refunds and related physical returns.
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Operational inventory
Track available, reserved, inbound and unfulfillable stock together with sales metrics and recent physical returns.
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Purchase recommendations
Detect urgent or recommended replenishment based on coverage, lead times, inbound stock, safety stock and historical profitability.
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Purchases and landed cost
Record suppliers, invoices, batches and shipping, prep, customs and other costs to obtain the real unit cost.
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Unified profitability
Measure net profit, margin and ROI including sales, VAT, Amazon fees, product cost, expenses, refunds and reimbursements.
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Returns and refunds
Separate refunded money, physical returns, reasons, inventory disposition and Amazon reimbursements without mixing sources.
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Business analytics
Analyze sales and profit trends, product performance, concentration, returns and other key indicators by period and Amazon marketplace.
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Multi-country tax compliance
Support tax obligations in Spain and other markets with country-specific rules, automated VAT and tax calculations, filing periods and models, controlled manual inputs and alerts to review data before each filing.
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Operational alerts
Centralize stockout risk, tax review issues, missing costs and other relevant situations detected by the system.
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Sellyox Copilot · Artificial Intelligence
An AI assistant built into your business. Ask in natural language and let it combine sales, profitability, inventory, purchases, returns, tax and alerts using the same canonical sources as the rest of Sellyox to analyze causes, detect risks and deliver actionable conclusions.
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Multi-Amazon-marketplace management
Use the same architecture across Amazon marketplaces and currencies while preserving the source and context of every data point.
Aligned data
One definition for every metric
The app avoids parallel calculations: every critical data point has a canonical source and modules reuse the same logic so Orders, Analytics, Tax, Alerts and Copilot do not contradict each other.
Amazon Seller Central
Automatically synced data
Profit Engine
Canonical profitability
Operations
Actions and tracking
Sellyox Copilot AI
Intelligent cross-data analysis
An operational tool, not another spreadsheet to maintain
Connect Amazon Seller Central, record your costs and use a single application to manage and analyze your activity.
See how it works