Tamper Data Chrome -

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John started to play around with the request data, changing the payment amount to a negative value and the credit card number to a test card. He then sent the modified request to the server, curious to see how it would react. The server responded with a error message, which was expected, but John was able to analyze the response and adjust his code accordingly. tamper data chrome

This is the to Tamper Data for modern Chrome. item_id=101&quantity=1&price=50