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International Dispute Over Digital Payments Puts Pix at the Center of US Investigation, with Pressure from Card Companies and Response from Brazilian Government in Defense of Its Regulatory Sovereignty.
The United States government launched a trade investigation into Brazil that includes electronic payment services and brought Pix to the center of a dispute with regulatory and geopolitical implications.
The offensive occurs under the management of Donald Trump and addresses claims from sectors represented by Visa and Mastercard, which allege an uneven competitive environment in relation to Brazil’s public system.
Meanwhile, Brasília claims that there is no discrimination and promises to defend the regulatory sovereignty of the Central Bank amid additional tariffs imposed by Washington and sanctions against authorities in the country.
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What Is at Stake in the Investigation
In July, the Office of the United States Trade Representative (USTR) initiated a process under Section 301 to examine Brazilian policies in areas such as digital trade and electronic payments.
In practice, the procedure may lead to new tariffs or restrictions if Washington concludes that local rules “burden” American companies.
The public hearing on September 3 brought together US business entities and Brazilian representatives.
The U.S. Chamber of Commerce advocated for equivalent rules for private platforms competing with the Pix, citing governance and transparency.
Meanwhile, the Information Technology Industry Council (ITI) argued that the presence of the Central Bank as operator and regulator would create competitive asymmetry.
On the Brazilian side, Ambassador Roberto Azevêdo, an advisor to CNI, stated that Pix does not reduce competition; rather, it has increased financial inclusion and made retail more efficient, also benefiting American companies operating in the country.
Brazil’s Perspective and the Role of the Central Bank
The Brazilian government argues that payment policies do not discriminate against foreign companies and that any platform can offer services in the country.
Former presidents and technical experts from the Central Bank have emphasized that Pix was designed to stimulate banking competition and reduce costs.
In a recent interview, Roberto Campos Neto – who led the Central Bank at the launch of Pix and is no longer in the position – stressed that the monetary authority does not make a profit from the tool and funds its maintenance as public infrastructure.
The current management of the Central Bank has expanded functionalities.
The Automatic Pix went into operation in June 2025, allowing recurring payments.
Additionally, the Installment Pix is progressing toward national regulation, standardizing a mode already offered by private financial institutions.
The combination of these functions approaches services traditionally associated with cards and may shift part of the transactions, especially in retail.
Economic Measures and Political Pressure
The trade dispute deepened with the application of additional tariffs totaling 50% on Brazilian products, adopted in August, along with sanctions and revocations of visas for authorities in the country in September.
In parallel, the Supreme Federal Court sentenced former president Jair Bolsonaro to over 27 years in prison for attempted coup, a decision that heightened political tension between the two governments.
Brasília maintains that the USTR investigation is unilateral and should respect multilateral forums.
Still, it states that it is willing to engage in dialogue about cybersecurity, interoperability, and technical standards, provided that the autonomy of the regulator and the principle of technological neutrality are preserved.
Why Pix Irritates Competitors
Pix has become ubiquitous in Brazilian daily life since 2020.
It grew with the digitalization during the pandemic and became the major payment method in terms of the number of transactions.
In August 2025, the network processed around R$ 3 trillion that month, according to market data based on Central Bank statistics.
The number of registered users exceeds 160 million, with massive use in transfers between individuals and payments to merchants via QR Code.
The high adoption puts pressure on the card economic model.
Analysts estimate that each percentage point of transaction migration from cards could mean US$ 200 million to US$ 400 million less in fees.
This effect is likely to intensify with the advancement of features like scheduled, recurring, and installment payments, which reduce the historical advantage of revolving credit and installment cards.
Security and Governance Arguments
American flags and associations are calling for Pix to adhere to equivalent cybersecurity and oversight standards applied to private companies, under penalty of creating an “unequal playing field.”
They also advocate for a clear separation between regulatory and operational functions to avoid access to sensitive information of competitors.
The Central Bank responds that it complies with international standards of operational resilience, promotes interoperability among participants, and adopts multisectoral governance in technical decisions.
At this point, the dispute transcends commercial aspects and discusses infrastructure models: public systems based on accounts, like Pix and the Indian UPI, versus private card networks.
In contexts of sanctions, national arrangements like the Russian Mir have also scaled, feeding the geopolitical debate about who controls data, standards, and payment costs.
Consumer, Commerce, and Practical Effects
For the end user, Pix is free for transfers between people.
For companies, fees are usually lower than card discount rates.
In commerce, instant settlement reduces default and collection costs.
Nonetheless, credit cards remain relevant due to advantages like loyalty programs, access to VIP lounges, and offering interest-free installments through retailers.
According to a Central Bank survey released in 2024, 51.6% of Brazilians used credit cards, an indicator that has grown since 2021, evidencing coexistence between means.
The regulation of Installment Pix is likely to reorder this boundary.
By standardizing the product and leaving interest rates to each institution, the Central Bank aims for transparency for consumers and more competition among credit providers.
Banks and acquirers, in turn, evaluate the impact on card revenues and discussions around interoperability among arrangements.
Digital Sovereignty and Domestic Campaign
In Brazil, the debate has taken on aspects of digital sovereignty.
The Palace of Planalto and the Central Bank have publicly defended Pix as a state policy and a strategic asset for inclusion.
In recent events, President Luiz Inácio Lula da Silva criticized the flags: “What are their concerns? It is that if Pix dominates the world, credit cards will disappear.”
The government has also signaled clarification campaigns to counter misinformation and reinforce good security practices.
In the medium term, the dispute is likely to shift to technical and legal forums.
On one side, global companies seek predictability and regulatory parity.
On the other, Brazilian authorities assert that they will not give up a system that has reduced payment costs, brought millions into formalization, and energized e-commerce.
Amid tariffs, sanctions, and electoral agendas, the lingering question is whether there will be room for standard convergence without dismantling what already works in Brazil: will the US accept Pix as an international reference or double down to protect the card ecosystem?
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