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Carnaval fraud: how to handle overcharging issues

Carnaval Vendor Sparks Controversy | Shocking Transaction Costs Tourist R$1,800

By

Sofia Martinez

Feb 19, 2026, 03:41 PM

2 minutes reading time

A traveler looking at a smartphone, discussing a bank app issue, with Carnaval decorations in the background

A tourist's recent experience during Carnaval in Sรฃo Paulo has fueled outrage after a vendor allegedly charged R$1,800 for a drink instead of the stated R$20. The incident raises questions about the safety of contactless payments at temporary vendors.

The Incident

On February 15, a traveler attempted to buy a drink but found the vendor's contactless payment system malfunctioning. Instead, he took the physical card and entered it into a terminal without displaying the amount. The unsuspecting traveler entered his pin, only to later discover the staggering overcharge.

Users Share Similar Experiences

Comments on various forums express concern about such scams. One user recounted being charged ยฃ30 instead of ยฃ3 for water in Italy after a similar experience. Another remarked, "How much money is this guy making with his little trick?"

Seeking Resolution

The traveler faced obstacles in securing a refund through the Revolut app. Despite submitting a dispute, it was denied as he lacked proof of contact with the vendor โ€“ a consequence of dealing with a temporary mobile street seller.

"If the card needs to be canceled for a refund, Iโ€™ll report this as fraudulent," he stated, emphasizing his unwillingness to jeopardize his travel plans.

Seeking Remedies in Hostile Terrain

Given the challenges with dispute resolutions, many wonder what can be done.

  • Reach Out to Customer Support: Direct contact with Revolutโ€™s support may yield better results than automated disputes.

  • File a Police Report: A report from the Sรฃo Paulo Civil Authority can strengthen the case against the vendor.

  • Monitor Bank Transactions: Keep an eye on further transactions. If suspicious activity resurfaces, it may warrant immediate action.

Key Points to Consider

  • ๐Ÿ’ต A temporary seller charged R$1,800 instead of R$20.

  • ๐Ÿ“ž Disputes can be complicated when the seller cannot be verified.

  • ๐Ÿ“„ Police reports may aid in pursuing refunds.

Travelers need to stay vigilant while using cards in unfamiliar situations. Given the rapid digital payments acceptance, incidents like this could rise unless merchants are held accountable.

What Lies Ahead for Travelers

Thereโ€™s a strong chance that incidents like the Sรฃo Paulo vendor overcharging will increase as digital payment methods gain traction at large festivals and events. Experts estimate around 30% of travelers might face similar challenges as contactless payments become ubiquitous, leading to potential loopholes for opportunistic vendors. The industry's regulatory bodies may feel pressured to intervene, possibly introducing stricter guidelines for temporary vendors to ensure transparency and protect consumers. With rising awareness, itโ€™s also likely that traveler awareness campaigns will emphasize the need to monitor transactions closely and use credit cards with robust fraud protections when abroad.

A Not-So-Distant Echo from the Past

In the mid-1980s, during the rise of personal computers, many buyers faced rampant overpricing on software, often unaware of the actual value. Many people rushed to purchase programs without understanding their fair market price, similarly to how travelers now swipe cards without seeing exact amounts. Just as consumer awareness gradually fostered a more educated tech marketplace, resulting in tighter regulations on software sales, the push to protect tourists against fraudulent charges may also lead to improved safeguards in the evolving digital payment landscape.