Auctions that do good.
There is always one auction — and it's never for a thing. onceinabid auctions a single, unrepeatable Once in a Lifetime experience for a good cause. You can't buy it. You can only bid for it.
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Simple. Transparent. Meaningful.
Browse the Experience
Each auction features one singular Once in a Lifetime experience — something money alone could never buy. No objects, no collectibles. Just one extraordinary moment, up for bid.
Before every auction
Full transparency on where proceeds go.
Place Your Bid
Set your maximum bid and let our system work for you. Real-time updates keep you in the loop as the auction heats up.
Live bidding
Countdowns, outbid alerts, auto-bid.
Make an Impact
Bid or not — your participation matters. Every bid drives awareness. Every successful lot funds a cause directly, with a receipt to prove it.
Verified impact
Donation receipts sent automatically.
Giving, but exciting.
Exclusive items you won't find anywhere else
hidden fees. No platform cut on donations.
Every cause is verified before we list it
We vet every charity partner. You get a donation receipt for every won auction — automatically.
Reference Projects
Experiences that exist once in a bid.
These are not products. They are moments — curated, unrepeatable, and auctioned for a cause worth bidding on.
Mission Control — Live Launch
Stand at a console in the control center as a rocket lifts off. Headset on. Countdown in your ears. The room holds its breath — and so do you.
A Theme Park, All to Yourself
A full day at a world-class theme park — no queues, no crowds. Guided personally by the park's executive management from opening to close.
Midnight in the Louvre
The museum empties. The lights dim. You walk alone through the Grande Galerie — just you, the silence, and centuries of art.
First Light on Everest Base Camp
Helicoptered in before dawn. A private guide. The Himalayas turn gold as the sun rises — witnessed by almost no one, ever.
Frequently asked questions
Questions?
We'd love to hear from you.
Whether you're a charity interested in partnering, a potential bidder with questions, or just curious — reach out.
Address
onceinabid — Jeffrey Felden
Melemstraße 3
60322 Frankfurt am Main
Germany