Be everywhere.
Wherever your catalog wins.
Prime Day, French Days, Mano Days: every channel runs its own calendar, and the invitation often lands the day before. Synaps anticipates every event, picks the ones your catalog can win (margin, stock, potential) and sets everything up before it opens.
Read-only. We watch the calendars, you keep the decisions.
Event calendar · 6 events, next 90 days
GMV within reach on the events you can still enter: €57,400
| Event | Next 90 days | Entry | At stake |
|---|---|---|---|
 Prime Day | Prime Day on Amazon: entry closes in 4 days, €18,400 within reach. | ||
 Mano Days | Mano Days on ManoMano: entry has closed. €9,600 out of reach. | ||
 French Days | French Days on Cdiscount: entry closes in 9 days, €12,300 within reach. | ||
 Garden Days | Garden Days on Leroy Merlin: you are in. €7,400 at play. | ||
 Black Friday | Black Friday on Carrefour: entry closes in 38 days, €21,500 within reach. | ||
 Summer Sale | Summer Sale on Temu: entry closes in 1 days, €5,200 within reach. |
Calendar up to date: 4 still open, 1 already closed
The problem
Every channel runs its own calendar.
None of them share it.
How you hear about an event on one side, the channels running them on the other. Between them, the ones that started without you.
How you hear
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An email from your AM D-3 -
A newsletter you skimmed D-9 -
A shared spreadsheet last quarter -
A colleague, in passing D+1
Without you
Six calendars, and not one of them is yours.
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An event you heard about on day two
the peak, gone -
A deadline that closed last week
entry, refused -
The right products, picked too late
assortment, thin -
The ones you never even saw
GMV, unclaimed
Your channels
- Amazon
- ManoMano
- Cdiscount
- Leroy Merlin
- Carrefour
- Temu
A marketplace event is demand the channel builds for you. You only get it if you are in it.
How it works
Connect. Pick. Enter.
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Step 1
Connect
Plug in your channels and your catalog. We pull every event you are eligible for onto one calendar, entry deadlines included.
One calendar. Not six inboxes.
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Step 2
Pick
Synaps ranks the events by what your catalog can actually win: the products with the demand, the margin and the stock behind them.
Not every event. The ones you can win.
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Step 3
Enter
We build the assortment, submit it before the deadline, and watch that it holds for the whole event.
You approve. We set it up and we watch it.
Beyond events
Events are just the beginning.
Once Synaps sees your catalog against every channel’s calendar, the same engine finds every euro you are leaving on the table.
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Assortment gaps
Products in stock that are listed nowhere. We find them, and we put them online.
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Pricing gaps
You are losing the buybox by cents. We tell you where, against whom, and by how much.
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Commission gaps
One wrong category and the rate changes. We audit every line and claim back what is yours.
Every action tied to a number. Every number provable on your ledger.
Why Synaps
Built for serious sellers.
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40+
marketplace events a year across the channels you sell on
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50+
calendars tracked, including Amazon, ManoMano, Cdiscount and Carrefour
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200k+
products ranked for a single seller, built for catalog scale
“My account manager tells me about the events.”
Three days before, on the one channel where you have an account manager. The others run their calendars without calling. Synaps tracks all of them, and it tracks the entry deadline, which is the date that actually decides whether you are in.
How many events did you play this year?
Get a free event audit. In days: every event your channels are running next quarter, the day entry closes on each, and what your catalog could win. No commitment.
Get your free event audit