RemaSol
Devnet
Interactive Solana Devnet Demo

From Overpayment to Refund

See how RemaSol helps customers recover excess SOL without a support ticket.

Use free Devnet test SOL without a personal wallet.

Start with the ebook See the lifecycle
Payment example Illustrative · not a receipt
The Digital Creator’s Guide Overpayment detected
Verified
Product price
0.002 SOL
Customer sends
0.005 SOL
Excess refund
0.003 SOL
Returned to the authorized sender walletOn-chain proof
RemaSol makes the difference recoverable.
01Verify the payment
02Calculate the excess
03Return it once
The lifecycle

A clear path from “I sent too much” to “it’s back.”

Follow the same four moments a judge can test in a few minutes. Keep this guide open while each tool runs in its own tab.

01
Checkout

Choose a product

Open the ebook, click Buy with SOL, and copy your unique payment address and Merchant Code.

Open Ebook
02
Payment

Send test SOL

Open Test Wallet, create a temporary wallet, paste the checkout address, and send 0.005 SOL.

The wallet provides the sender address and transaction ID after payment.

Open Test Wallet
03
Recovery

Recover the excess

Enter your Merchant Code, sender address, and transaction ID. RemaSol verifies the on-chain payment and calculates the eligible refund.

Open Recovery
04
Settlement

Refund confirmed

RemaSol returns the eligible 0.003 SOL excess to the authorized wallet and provides a verifiable Solana transaction receipt.

Repeated claims cannot trigger a second refund. The actual receipt comes from the Recovery page.

Why it matters

Less investigation. More confidence.

RemaSol turns a messy exception into a visible, verifiable handoff for both sides of the payment.

×

Without RemaSol

  • Customer contacts support.
  • Merchant investigates transaction proof.
  • Merchant calculates the excess.
  • Merchant processes the refund manually.

With RemaSol

  • Customer submits payment details.
  • RemaSol verifies the transaction on-chain.
  • Eligible excess is refunded automatically.
  • Merchant sees payment and refund records.
Ready when you are

Make the mistake. See the proof.

Use the public tools with free Devnet SOL. No personal wallet, merchant login, or support ticket required.