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Square CURRENCY_NOT_SUPPORTED error encountered during a transaction.

The currency used is not supported by the payment gateway.

Understanding Square's Payment Gateway

Square is a leading financial technology company that provides a suite of tools for businesses to manage their payments and transactions. Its payment gateway allows businesses to accept payments online and in-person, offering a seamless checkout experience for customers. Square supports a variety of currencies, making it a versatile choice for international transactions.

Identifying the CURRENCY_NOT_SUPPORTED Error

When using Square's payment gateway, you might encounter the CURRENCY_NOT_SUPPORTED error. This error typically arises during a transaction attempt when the currency specified is not supported by Square. This can halt the transaction process, leading to potential disruptions in business operations.

Exploring the Root Cause of the Issue

The CURRENCY_NOT_SUPPORTED error is triggered when a transaction is attempted using a currency that Square does not recognize or support. This could happen if the currency code is incorrect or if the currency is not among those supported by Square.

For a list of supported currencies, you can refer to Square's official documentation on supported currencies.

Steps to Resolve the CURRENCY_NOT_SUPPORTED Error

Step 1: Verify the Currency Code

Ensure that the currency code used in the transaction is correct. Currency codes are typically three-letter codes, such as USD for US Dollars or EUR for Euros. Double-check the currency code in your transaction request.

Step 2: Check Supported Currencies

Consult Square's list of supported currencies to confirm that the currency you are using is supported. You can find this information in the Square Developer Documentation.

Step 3: Update the Currency

If the currency is not supported, you will need to update the transaction to use a supported currency. This may involve converting the transaction amount to a supported currency and updating your application code accordingly.

Step 4: Test the Transaction

After making the necessary changes, test the transaction again to ensure that the error is resolved. Use Square's sandbox environment for testing purposes to avoid affecting live transactions.

Conclusion

By following these steps, you can effectively resolve the CURRENCY_NOT_SUPPORTED error in Square's payment gateway. Ensuring that you use supported currencies will help maintain smooth and uninterrupted transaction processes. For further assistance, you can reach out to Square's customer support.

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