Your customers shouldn’t need support for an overpayment.
RemaSol verifies the payment, isolates the excess, and gives the customer a safe path to recover it — with the proof on-chain.
Excess verified and ready to return
One accidental extra transfer shouldn’t become a support ticket.
The public demo sells The Digital Creator’s Guide for 0.002 SOL and lets you test an exact, under, or overpayment. RemaSol makes the difference legible, verifiable, and recoverable without asking the customer to explain the mistake over email.
Try the recovery pageA payment room for every order
Each checkout gets its own Devnet address, so an incoming transfer can be matched to exactly one order — even when an exchange hot wallet is involved.
Sender derived from the transfer
For ordinary payments, the verified native transfer determines the sender. A claimant cannot substitute an arbitrary refund wallet.
One payout, recorded durably
SQLite constraints and an atomic refund state machine make repeat clicks return the existing status instead of creating another payout.
Three moments. One clear handoff.
Create a product
Set a price in SOL and share a checkout link.
Verify the transfer
RemaSol reads finalized Devnet instructions, not screenshots.
Return the excess
The customer requests one refund to the locked destination.
Make a payment.
See the proof.
RemaSol is a Devnet prototype for self-hosted merchants. Walk through the lifecycle first, then open the Test Wallet to try it yourself.
Try Interactive Demo