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# Testing SEPA / UK Faster Payments

## Testing on Sandbox

To test a customer's completion of the payment on the payment app, Merchants can force payment settlement. Merchants can do so by calling the [Settle Payment endpoint](/api-reference/api-reference/merchant/settle-payment) or do so from the Merchant dashboard by:

1. Go to Purchases tab from the [Merchant Admin Dashboard](https://sandbox-merchant.coinflow.cash/purchases?search=)
2. Select payment record
3. Click `Settle Transaction`
4. Payment status gets updated

### Test IBANs for SEPA Payments

When testing SEPA payments, Merchants may use any of the following IBAN accounts:

| IBAN                   |
| :--------------------- |
| DE89370400440532013000 |
| GB59MOCK00000004232616 |
| GB30MOCK00000004188615 |

### Test IBAN and Sort Codes for UK Faster Payments

When testing UK Faster Payments, Merchants may use the following IBANs and sort codes:

| IBAN     | Sort Code |
| :------- | :-------- |
| 26207729 | 560029    |
| 04232628 | 000000    |
| 04188581 | 000000    |