Sell models (Offramp)
- Pre-funded (Pool Sell)
- Post-funded (External Sell)
The user’s (or merchant’s) crypto balance is already available in Saber’s system ahead of time. When an offramp is triggered, the required stablecoin amount is deducted from that available balance immediately, and the equivalent fiat is paid out to the user’s bank account in the same step.
This is the simpler, faster flow since funding and payout aren’t sequenced — the funds are already there.
Buy models (Onramp)
- Onramp to Pool Wallet (Pool Buy)
- Onramp and withdraw to external wallet (External Buy)
Fiat collected from the user is converted to stablecoin and credited to your merchant Pool Account, rather than to any individual wallet.
Useful when you want converted stablecoin to accumulate as reusable liquidity rather than being sent out immediately.
Linking buy and sell through the Pool Account
For merchants running both onramp and offramp on the same corridor, Pool Buy and Pool Sell can be linked through a single Pool Account to manage liquidity as one aggregate flow rather than two disconnected ones:1
Onramp proceeds accumulate
Stablecoin credited to the Pool Account from Pool Buy transactions (onramp proceeds) becomes available balance that Pool Sell transactions (offramp payouts) can draw down.
2
Fiat funds fiat
Fiat collected on the onramp side can directly fund fiat paid out on the offramp side, without needing to externally source or manage crypto liquidity for each side separately.
3
Top up or withdraw the difference
Any surplus or shortfall in the Pool Account can then be topped up or withdrawn externally as needed.