Integration Guide
Amazon NetSuite Integration
Integrate Amazon Seller Central with NetSuite ERP using SyncTools. Automate the flow of Amazon sales, fees, refunds, and settlements into NetSuite — designed for high-volume sellers and enterprise finance teams.
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Amazon NetSuite Integration: Enterprise-Grade Amazon Accounting Automation
For organizations running NetSuite as their ERP, integrating Amazon Seller Central is not a simple connector problem. NetSuite’s chart of accounts, subsidiary structure, class/department dimensions, and revenue recognition rules all need to be mapped correctly. SyncTools handles that complexity so your finance team gets clean, accurate NetSuite records — not raw Amazon data they have to interpret manually.
TL;DR: SyncTools connects Amazon Seller Central to NetSuite ERP — mapping sales, FBA fees, refunds, advertising costs, and bi-weekly settlements to the correct NetSuite accounts, subsidiaries, and dimensions. Enterprise-grade features include OneWorld multi-subsidiary, settlement-date FX conversion, and high-volume summarized posting. Setup takes under 20 minutes.
Why Enterprise Amazon Sellers Need More Than a Basic Connector
High-volume Amazon sellers face accounting challenges that generic connectors ignore:
- Settlement complexity: A single Amazon settlement report can contain thousands of line items across multiple product categories, fulfillment methods, and marketplaces
- Fee granularity: FBA fees, referral fees, storage fees, advertising costs, and co-op charges all need to land in different NetSuite expense accounts
- Multi-entity structure: Selling across Amazon US, UK, and EU often means different legal entities that must post to separate NetSuite subsidiaries
- Inventory valuation: NetSuite manages COGS differently depending on whether you use standard cost, average cost, or FIFO — SyncTools respects those settings
What SyncTools Syncs from Amazon to NetSuite
- Revenue records — sales orders or invoices per order, or summarized journal entries by settlement period
- Returns and refunds — credit memos linked to original transactions or standalone journal entries
- Amazon fee bills — FBA fulfillment fees, referral fees, storage, and long-term storage fees as NetSuite vendor bills
- Advertising expense — Sponsored Products and DSP costs mapped to your NetSuite advertising accounts
- Tax mapping — Marketplace Facilitator tax separated from seller-remitted tax for accurate tax liability reporting
- Settlement reconciliation — Amazon net payouts matched to NetSuite bank deposits
- COGS and inventory — cost-of-goods posted based on your NetSuite inventory costing method
- Multi-subsidiary posting — marketplace-level or entity-level routing to correct NetSuite subsidiaries
Setting Up Amazon NetSuite Integration with SyncTools
Step 1: Connect Amazon Seller Central Authorize SyncTools via the Amazon Selling Partner API. Grant transaction-level read access for the marketplaces you want to sync.
Step 2: Connect NetSuite Provide SyncTools with your NetSuite account credentials and token-based authentication. SyncTools uses NetSuite SuiteScript or REST web services to create records.
Step 3: Configure your NetSuite mapping Map Amazon income categories to NetSuite income accounts, Amazon fees to expense accounts, and Amazon tax types to your NetSuite tax groups. Configure subsidiary routing if running OneWorld.
Step 4: Configure sync mode and frequency Choose summarized posting (journal entries per settlement period — recommended for high volume) or order-level posting (individual NetSuite transactions per order). Set the sync schedule and enable email reporting.
Amazon NetSuite Integration: Capability Matrix
| Capability | Detail |
|---|---|
| Transaction types | Sales orders, invoices, credit memos, vendor bills, journal entries |
| Fee categories | FBA fulfillment, referral, storage, advertising, co-op |
| NetSuite OneWorld | Multi-subsidiary support |
| Multi-currency | Settlement-date FX conversion |
| Inventory costing | Standard cost, average cost, FIFO compatible |
| Class / department dimensions | Configurable per transaction type |
| Historical backfill | Up to 24 months |
| Sync modes | Per settlement, daily, weekly |
| Volume handling | High-volume summarized posting available |
The ROI of Automating Amazon to NetSuite
Finance teams at Amazon sellers typically spend 2–3 days per month on manual reconciliation between Amazon and NetSuite. At $60/hr for a financial analyst, that’s $2,000–$3,000 per month in labor cost — or $24,000–$36,000 per year — that SyncTools can eliminate.
Beyond the labor savings: clean NetSuite records mean faster month-end close, more accurate management reporting, and an audit trail that satisfies both internal and external reviewers.
Start your free trial — or contact sales for an enterprise setup consultation.
Related integrations:
- Shopify NetSuite Integration — for Shopify sellers using NetSuite
- WooCommerce NetSuite Integration — for WooCommerce sellers using NetSuite
Related guides:
FAQ: Amazon + NetSuite Integration
How does SyncTools integrate Amazon with NetSuite?
SyncTools reads Amazon Seller Central transaction data via the Selling Partner API and creates structured NetSuite records — including sales orders, invoices, journal entries, vendor bills for Amazon fees, and bank deposits for payout settlements.
Does SyncTools support NetSuite multi-subsidiary for Amazon?
Yes. SyncTools supports NetSuite OneWorld multi-subsidiary configurations, allowing Amazon transactions from different marketplaces or legal entities to post to separate subsidiaries within a single NetSuite account.
Can SyncTools map Amazon SKUs to NetSuite items?
Yes. SyncTools maps Amazon product SKUs to NetSuite inventory items or non-inventory items, enabling accurate COGS calculation and inventory valuation within NetSuite.
How does the Amazon NetSuite integration handle FBA fees?
SyncTools creates NetSuite vendor bills or journal entries for Amazon FBA fees — including fulfillment fees, referral fees, storage fees, and advertising spend — mapped to your configured NetSuite expense accounts.
Does SyncTools handle Amazon multi-currency in NetSuite?
Yes. SyncTools converts Amazon foreign-currency transactions using settlement-date exchange rates and posts them to the correct NetSuite currency, maintaining consistent multi-currency reporting across your NetSuite subsidiaries.
What volume of Amazon transactions can SyncTools handle in NetSuite?
SyncTools is built for high-volume Amazon sellers. The platform handles thousands of transactions per settlement period and uses summarized posting modes to keep NetSuite from being overloaded with individual order records.
Is there a free trial for the Amazon NetSuite integration?
Yes. SyncTools offers a 30-day free trial. Enterprise customers can also request a guided setup session with our team to configure the NetSuite connection to their chart of accounts and subsidiary structure.
How to Connect Amazon Seller Central to Oracle NetSuite in 5 Steps
Connecting Amazon Seller Central to Oracle NetSuite with SyncTools takes under 20 minutes and requires no developer access.
Step 1 — Connect Amazon Seller Central to SyncTools Log in to SyncTools and navigate to eCommerce Platform. Select Amazon and complete the Amazon Seller Central OAuth authorisation. SyncTools will request read-only access to your orders, settlement reports, and transaction data.
Step 2 — Connect your Oracle NetSuite account In SyncTools, navigate to Accounting System and select Oracle NetSuite. Enter your NetSuite Account ID and configure a dedicated integration role with the required permissions. SyncTools reads your chart of accounts, subsidiaries, and department mappings.
Step 3 — Map Amazon Seller Central transaction types to NetSuite accounts Assign each Amazon transaction component to the correct NetSuite account: gross sales, FBA fees, referral fees, shipping, refunds, taxes, and settlement payouts. SyncTools pre-fills recommended mappings based on your chart of accounts.
Step 4 — Choose your sync mode Select whether SyncTools reconciles by settlement period (one journal entry per payout — ideal for marketplace sellers) or by individual order. Settlement mode ensures your books match your bank deposit exactly.
Step 5 — Run your first sync and verify Click Sync Now. Amazon Seller Central data posts to Oracle NetSuite automatically. Check the SyncTools sync log and verify that the posted entries appear correctly in Oracle NetSuite with the right account mapping.
Further Reading
- Amazon Seller Accounting Guide — how multi-channel Amazon sellers should structure their books
- Amazon FBA Fee Reconciliation — how to match FBA fees and payouts in your accounting software
- Multi-Channel Inventory Accounting — COGS tracking, channel-level P&L, and inventory valuation
- Automated Reconciliation for eCommerce — how automated reconciliation works and setup in under 30 minutes
- eCommerce Bookkeeping Fundamentals — chart of accounts setup and reconciliation principles for online sellers
Considering alternatives?
- SyncTools vs A2X — feature and pricing breakdown for Amazon accounting integrations
- SyncTools vs Entriwise — side-by-side comparison for Amazon sellers
Ready to automate your accounting sync?
30-day free trial. No credit card required. All features included.