Flywheel by Sellistix · Invite-only beta
From payout to proofacross Amazon US and Walmart US.
Reconcile settlements, tie returns back to the order, and track operational COGS across Amazon US and Walmart US, in one place. Priced by order volume, not seats.
14-day free trial · Plans from $39/mo · No credit card to create an account
What is Flywheel?
Flywheel is marketplace settlement reconciliation software for Amazon US and Walmart US sellers. It syncs settlement reports, ties each payout to its fee lines with a ±$0.01 tie-out badge, links returns to the original order, and tracks operational COGS at your unit costs on an always-on inventory ledger, in one place.
Operated by Sellistix LLC . Read the FAQ →
Financial-grade clarity, built for sellers
Flywheel follows each payout to the fee line and the raw report, for Amazon US and Walmart US.
Settlement reconciliation with real depth
Go from payout to every fee line, to the order, to the raw report. Each payout has a tie-out badge so you know, to the penny, what you were actually paid.
- Settlement period list with payout amounts and dates
- Payout tie-out badge (Balanced / Mismatch), accurate to ±$0.01
- Filter, sort, paginate, and export settlement lines to CSV/XLSX
- Order detail with a chronological fee timeline and raw report download
Returns tied back to the original order
Stop losing the thread between a return and the sale it came from. Flywheel links returns to the originating order and matches them to refund fees when settlement catches up.
- Returns linked to the original order, even before settlement
- In-flight returns queue with a needs-attention flag for stuck transit
- Refund fees matched when the settlement lands
- By-SKU return views and order-level related returns
Amazon and Walmart, reconciled the same way
One place for both marketplaces. Same settlement depth, same return linking, one shared view. Amazon US is self-serve. Walmart US is assisted during beta.
- Amazon US: Seller Central sign-in; Walmart US: assisted connect during beta
- Scheduled and on-demand settlement sync
- The same reconciliation depth on both marketplaces
- Filter and columns that cover both marketplaces
Also built for operators with multiple clients
3PLs, prep agencies, and firms that support marketplace sellers can work across every client account from one login. Switch in the header. No extra emails. No logging in and out between clients.
Operational COGS, on a ledger that's always on
Receiving stock updates quantity, history, and cost. On-hand quantity and movement history stay tracked no matter which costing method you choose. Your profile sets the costing method, not whether stock is tracked.
Based on unit costs you provide and marketplace orders in Flywheel. Excludes marketplace fees, shipping you pay, operating expenses, and sales outside connected marketplaces. Operational COGS, not a full P&L.
- •On-hand quantity and movement history
- •Cost-only, weighted average, and FIFO
- •Multi-location and suppliers
- •Purchase orders: create and receive
- •Add-item and replenish flows
- •Adjustments, write-offs, and balance export
Bring your settlements home
We're admitting sellers in waves. Tell us about your business and we'll email you when a spot opens.