Fintech & Payments Disputes & Enforcement in Brazil

Brazil is the largest fintech market in Latin America, and disputes in this sector carry a distinct legal profile: they combine Central Bank supervision, consumer protection mandates, and civil enforcement in a jurisdiction where procedural timelines and regulatory exposure can significantly affect business outcomes. When a payment service provider, digital lender, or e-money institution faces a dispute - whether with a counterparty, regulator, or end user - the applicable legal framework is layered, and the choice of enforcement path determines both cost and recovery speed. This article examines the regulatory architecture, the main categories of fintech and payments disputes, the available enforcement tools, the procedural mechanics of Brazilian courts and arbitration, and the practical risks that international operators consistently underestimate.

Brazil';s fintech and payments sector operates under a dual-authority model. The Banco Central do Brasil (BCB) - the Central Bank of Brazil - regulates payment institutions, electronic money issuers, and credit fintechs under Lei n. 12.865/2013 (the Payments Law), which established the legal framework for payment arrangements and payment institutions. The Comissão de Valores Mobiliários (CVM) - the Brazilian Securities and Exchange Commission - supervises investment-related fintech activities, including digital asset platforms that qualify as securities intermediaries.

Lei Complementar n. 130/2009 governs credit cooperatives, while Resolução BCB n. 80/2021 and its successors set out the licensing categories for payment institutions: issuers of electronic money, acquirers, payment initiators, and post-paid instrument issuers. Each category carries distinct capital requirements, operational obligations, and supervisory exposure. A fintech operating without the correct BCB authorisation faces administrative sanctions under Lei n. 4.595/1964 (the Banking Reform Law), including fines, suspension of operations, and, in serious cases, compulsory liquidation.

The PIX instant payment system - launched by the BCB and now processing the majority of retail transactions in Brazil - operates under its own regulatory framework, including Resolução BCB n. 1/2020 and subsequent normative instructions. Disputes involving PIX transactions, including fraud reversals, erroneous transfers, and chargebacks, are governed partly by BCB rules and partly by the civil obligations established in the Código Civil (Civil Code), Lei n. 10.406/2002.

Consumer-facing fintech services are also subject to the Código de Defesa do Consumidor (CDC) - the Consumer Protection Code, Lei n. 8.078/1990 - which imposes strict liability on suppliers of financial services for defects in service delivery. The Lei Geral de Proteção de Dados (LGPD) - the General Data Protection Law, Lei n. 13.709/2018 - adds a data layer: payment processors handling personal data face enforcement by the Autoridade Nacional de Proteção de Dados (ANPD), the national data protection authority, with fines reaching up to two percent of a company';s Brazilian revenue per infraction.

Understanding which authority has primary jurisdiction over a given dispute is the first strategic decision. A common mistake among international operators is treating the BCB and the CVM as interchangeable or assuming that a single compliance programme covers both. In practice, the boundaries between payment services and investment activities are actively contested, particularly for digital asset platforms and buy-now-pay-later products.

Disputes in this sector fall into several recurring categories, each with its own procedural logic and enforcement path.

Regulatory enforcement disputes arise when the BCB or CVM initiates an administrative proceeding against a payment institution or fintech. These proceedings are governed by Lei n. 13.506/2017, which consolidated the administrative sanctioning framework for financial institutions. The BCB can impose fines, disqualify directors, and suspend or revoke authorisations. The affected entity has the right to present a defence (defesa administrativa) within the timeframes set by the BCB';s internal regulations - typically 15 to 30 days from notification. If the administrative decision is unfavourable, the entity may challenge it before the federal courts (Justiça Federal), since the BCB is a federal autarchy.

Contractual disputes between payment institutions and merchants or partners are among the most commercially significant. Acquiring agreements, payment gateway contracts, and settlement arrangements frequently contain provisions on chargebacks, reserve funds, and termination that generate disputes when a party';s business model changes or when fraud losses spike. These disputes are typically resolved through arbitration or civil litigation, depending on the contract';s dispute resolution clause.

Consumer disputes are the highest-volume category by number of cases. Brazilian consumers have access to the Procon system (state consumer protection agencies), the BCB';s own complaints channel (Registrato and the BCB';s Ouvidoria system), and the Juizados Especiais Cíveis (JEC) - the Small Claims Courts - for claims up to 40 minimum wages without the need for a lawyer. The JEC system is fast by Brazilian standards, with hearings typically scheduled within 30 to 60 days of filing. For fintechs, a pattern of consumer complaints at the BCB can trigger a supervisory review, making consumer dispute management a regulatory risk management issue, not merely a customer service matter.

Fraud-related disputes involve both civil recovery actions and, where applicable, criminal referrals. PIX fraud - including account takeover, social engineering, and erroneous transfers - has generated a significant body of disputes. The BCB';s Mecanismo Especial de Devolução (MED) - the Special Return Mechanism - allows victims to request reversal of fraudulent PIX transactions within 80 days of the transaction. However, MED operates through the payment institutions, and disputes about whether a transaction qualifies for reversal frequently escalate to civil litigation.

Insolvency-adjacent disputes arise when a fintech or payment institution becomes insolvent or is placed under BCB intervention. The BCB has authority under Lei n. 6.024/1974 to place financial institutions under special administration (regime de administração especial temporária - RAET) or intervention. Creditors of an insolvent payment institution face a complex priority structure that differs from ordinary corporate insolvency under Lei n. 11.101/2005.

To receive a checklist on categorising and prioritising fintech disputes in Brazil, send a request to info@vlolawfirm.com

Brazil offers several enforcement mechanisms, and the choice among them depends on the nature of the claim, the value at stake, and the counterparty';s profile.

Civil litigation in state courts (Justiça Estadual) is the default path for contractual disputes between private parties. The Código de Processo Civil (CPC) - the Civil Procedure Code, Lei n. 13.105/2015 - governs procedure. A creditor with a liquid, certain, and enforceable obligation (obrigação líquida, certa e exigível) can seek a payment order (ação monitória) or, if holding an extrajudicial enforcement title (título executivo extrajudicial) such as a signed promissory note or a contract with specific formalities, can proceed directly to enforcement (execução) without a prior declaratory phase. This distinction is commercially important: skipping the declaratory phase can reduce the time to enforcement by 12 to 24 months in complex cases.

Arbitration is increasingly the preferred mechanism for B2B fintech disputes in Brazil. The Lei de Arbitragem (Arbitration Law), Lei n. 9.307/1996, as amended by Lei n. 13.129/2015, provides a mature framework. Brazilian arbitral awards are directly enforceable without homologation by a court. The main arbitral institutions used in fintech disputes include the Centro de Arbitragem e Mediação da Câmara de Comércio Brasil-Canadá (CAM-CCBC) and the Câmara de Arbitragem do Mercado (CAM-B3), which has specific expertise in financial market disputes. Arbitration proceedings in Brazil typically conclude within 12 to 18 months for straightforward disputes, though complex cases can take longer. Costs - including arbitrator fees, institutional fees, and legal representation - generally start from the low tens of thousands of USD for mid-value disputes and scale with the amount in controversy.

Urgent interim measures are available both in arbitration and in state courts. Under Article 22-A of the Arbitration Law, a party may seek interim relief from a state court before the arbitral tribunal is constituted, without this being considered a waiver of the arbitration clause. Once the tribunal is constituted, it assumes jurisdiction over interim measures. In civil litigation, the CPC allows for tutela de urgência (urgent relief) - including asset freezing orders (arresto and sequestro) and injunctions - on a showing of probability of the right and risk of harm from delay. Courts in São Paulo and Rio de Janeiro, where most fintech disputes are concentrated, have developed reasonably consistent practice on granting interim relief in payment disputes.

Administrative enforcement through the BCB is available to parties who can frame their complaint as a regulatory matter. The BCB';s Ouvidoria and its supervisory channels can be used to escalate complaints about payment institutions that fail to comply with BCB rules on transaction processing, settlement, and consumer protection. While the BCB does not act as a private debt collector, regulatory pressure can accelerate commercial resolution, particularly when the counterparty values its BCB authorisation.

Recognition and enforcement of foreign judgments and awards requires homologation by the Superior Tribunal de Justiça (STJ) - the Superior Court of Justice. Foreign arbitral awards covered by the New York Convention (to which Brazil is a party) are subject to a streamlined homologation process. The STJ reviews compliance with formal requirements and public policy, but does not re-examine the merits. Homologation typically takes six to eighteen months. Once homologated, the award is enforced through the federal courts.

A non-obvious risk for international creditors is the interaction between enforcement proceedings and Brazilian insolvency law. If the debtor files for recuperação judicial (judicial reorganisation) under Lei n. 11.101/2005, most enforcement actions are automatically stayed for 180 days, and the creditor must file its claim in the reorganisation proceeding. Payment institutions under BCB intervention follow a different regime, and the stay may not apply in the same way.

Understanding the procedural architecture of Brazilian courts is essential for calibrating expectations and strategy.

Federal courts (Justiça Federal) have jurisdiction over disputes involving federal autarchies, including the BCB and the CVM. Challenges to BCB administrative decisions, disputes about BCB regulations, and enforcement of BCB orders all go through the federal court system. The Tribunal Regional Federal (TRF) - the Federal Regional Court - is the appellate body, with further appeal to the STJ on questions of federal law and to the Supremo Tribunal Federal (STF) - the Supreme Federal Court - on constitutional questions.

State courts (Justiça Estadual) handle most private commercial disputes. São Paulo';s Tribunal de Justiça (TJ-SP) has specialised chambers for banking and financial disputes (Câmaras de Direito Privado), which have developed a body of case law on payment institution liability, chargeback disputes, and fintech contract interpretation. The first instance in São Paulo typically takes 18 to 36 months for a contested commercial case, with appeals adding further time.

Electronic filing is mandatory in virtually all Brazilian courts. The e-SAJ system in São Paulo and the PJe (Processo Judicial Eletrônico) system used in federal courts and many state courts allow for electronic submission of all procedural documents. International parties must appoint a Brazilian-qualified lawyer (advogado) with an OAB (Ordem dos Advogados do Brasil) registration to represent them. Foreign lawyers cannot appear in Brazilian proceedings without local counsel.

Pre-trial procedures in Brazilian civil litigation are less formalised than in common law jurisdictions. There is no discovery in the common law sense. Documentary evidence is submitted with the initial pleadings (petição inicial) and the defence (contestação). Expert evidence (perícia) is ordered by the court when technical questions arise - in fintech disputes, this frequently involves forensic accounting or IT forensics. The expert is appointed by the court, and parties may appoint their own assistants (assistentes técnicos) to challenge the court expert';s findings.

Costs in Brazilian civil litigation are structured around court fees (custas judiciais), which vary by state and by the value of the claim, and lawyers'; fees. Lawyers'; fees in commercial disputes typically start from the low thousands of USD for straightforward matters and scale significantly for complex, high-value litigation. Contingency fee arrangements (honorários de êxito) are permitted under OAB rules and are common in recovery actions. The losing party is ordered to pay the winning party';s lawyers'; fees (honorários de sucumbência) at rates set by the CPC, typically between ten and twenty percent of the judgment value.

Practical scenario one: A European payment institution operating in Brazil through a local subsidiary faces a BCB administrative proceeding for alleged non-compliance with Resolução BCB n. 80/2021 capital requirements. The institution has 15 days from notification to present its administrative defence. If the BCB issues an unfavourable decision, the institution can challenge it before the Justiça Federal in Brasília, where the BCB is headquartered. Interim suspension of the BCB';s decision is possible but requires a strong showing of irreparable harm. The cost of administrative defence and first-instance litigation typically starts from the mid-tens of thousands of USD.

Practical scenario two: A Brazilian merchant disputes a chargeback reserve withheld by an acquiring fintech under a payment gateway agreement. The contract contains an arbitration clause designating CAM-CCBC. The merchant files for arbitration, seeking return of the reserve and damages. The acquiring fintech counterclaims for fraud losses. The arbitration proceeds over 14 months, with forensic IT evidence playing a central role. The total cost of the arbitration - institutional fees, arbitrator fees, and legal representation for both sides - is in the range of the low hundreds of thousands of USD for a mid-value dispute.

Practical scenario three: A foreign investor holds a promissory note issued by a Brazilian fintech that has entered recuperação judicial. The investor must file its claim in the reorganisation proceeding within 15 days of the publication of the creditors'; list (edital de habilitação de créditos). Failure to file within this period does not extinguish the claim but places the creditor at a procedural disadvantage. The investor should also assess whether the fintech';s payment institution authorisation has been revoked by the BCB, which would trigger a separate liquidation regime.

To receive a checklist on enforcement strategy for fintech creditors in Brazil, send a request to info@vlolawfirm.com

International businesses entering or operating in Brazil';s fintech and payments sector consistently encounter a set of recurring risks that are not immediately apparent from a reading of the statutory framework.

Underestimating the BCB';s supervisory reach is the most common strategic error. The BCB does not merely set rules; it actively monitors payment institutions through its Sistema de Informações de Crédito (SCR) and through mandatory reporting obligations. A fintech that fails to file required reports on time, or that files inaccurate data, faces administrative sanctions that can escalate quickly. Many international operators assume that BCB supervision is similar to lighter-touch regulatory models in other jurisdictions. In practice, the BCB has demonstrated willingness to impose significant fines and to revoke authorisations for compliance failures that might attract only a warning in other markets.

Misreading the consumer protection exposure is a related risk. The CDC imposes strict liability on payment service providers for service defects, and Brazilian courts apply this standard broadly. A fintech that experiences a system outage causing payment failures, or that fails to reverse a fraudulent PIX transaction within the BCB';s prescribed timeframes, faces not only consumer claims in the JEC but also potential BCB sanctions and Procon fines. The cumulative exposure from a single operational incident can be material.

Relying on foreign-law governed contracts without understanding the limits of party autonomy in Brazil creates enforcement risk. Brazilian courts will apply mandatory provisions of Brazilian law - including CDC protections for consumers and BCB regulations for payment services - regardless of a contractual choice of foreign law. A contract that purports to exclude CDC protections for Brazilian consumers is unenforceable to that extent. Similarly, arbitration clauses that do not comply with the formal requirements of the Lei de Arbitragem may be challenged.

Failing to manage the pre-litigation phase is a procedural mistake with financial consequences. Brazilian courts and arbitral tribunals look favourably on parties that have made genuine attempts to resolve disputes before filing. The CPC encourages mediation and conciliation, and some courts require a mandatory conciliation hearing before the merits phase. More importantly, the BCB';s regulatory framework for payment institutions includes internal dispute resolution (ouvidoria) requirements: payment institutions must maintain an internal ombudsman channel and must respond to consumer complaints within prescribed timeframes. Failure to do so is itself a regulatory infraction.

Ignoring the data protection dimension of payment disputes is increasingly costly. The LGPD applies to all processing of personal data in Brazil, including transaction data processed by payment institutions. A dispute involving a data breach, unauthorised data sharing, or failure to respond to a data subject access request can trigger ANPD enforcement in parallel with BCB proceedings and civil litigation. The ANPD';s enforcement capacity has grown, and fines - while capped as a percentage of Brazilian revenue - can be significant for large-volume payment processors.

A non-obvious risk in enforcement proceedings is the interaction between asset freezing orders and the BCB';s payment system rules. A court-ordered freeze on a payment institution';s settlement accounts can disrupt the institution';s ability to process transactions, potentially triggering BCB intervention. Courts in São Paulo have developed practice on tailoring freeze orders to avoid systemic disruption, but this requires proactive engagement by the applicant';s counsel.

Loss caused by incorrect strategy is most acute in the choice between litigation and arbitration. A party that files in state court when the contract contains a valid arbitration clause will face a jurisdictional objection (exceção de arbitragem) that, if upheld, results in the case being dismissed without prejudice - but after months of procedural activity and associated costs. Conversely, a party that initiates arbitration without checking whether the arbitration clause is enforceable under Brazilian law may find the clause challenged at the enforcement stage.

What is the practical risk of operating a payment service in Brazil without BCB authorisation?

Operating a payment institution in Brazil without BCB authorisation is a serious regulatory infraction under Lei n. 4.595/1964 and Lei n. 12.865/2013. The BCB can order immediate cessation of operations, impose substantial administrative fines, and refer the matter for criminal investigation of the responsible individuals. Beyond the direct sanctions, contracts entered into by an unauthorised entity may be challenged as void or voidable under the Código Civil, creating significant commercial uncertainty for counterparties and investors. International operators that structure their Brazilian operations through foreign entities without obtaining local authorisation are particularly exposed, as the BCB applies its rules based on where the service is provided to Brazilian users, not where the entity is incorporated.

How long does it take to enforce a foreign arbitral award against a Brazilian fintech, and what does it cost?

Enforcement of a foreign arbitral award in Brazil requires homologation by the STJ under the New York Convention framework. The homologation process typically takes between six and eighteen months, depending on the complexity of the case and whether the respondent contests the application. Grounds for contesting homologation are limited - primarily formal defects and public policy - but Brazilian courts have interpreted public policy broadly in some cases involving consumer protection and mandatory regulatory requirements. Once homologated, the award is enforced through the federal courts as a domestic judgment. Total costs for the homologation and first-instance enforcement phase - including legal fees - generally start from the low tens of thousands of USD and increase with the complexity of the enforcement action.

When is arbitration preferable to state court litigation for a fintech dispute in Brazil?

Arbitration is generally preferable for B2B disputes with values above the low hundreds of thousands of USD, where confidentiality is commercially important, where the dispute involves technical complexity requiring specialist arbitrators, or where the counterparty has assets that may be easier to enforce against internationally. State court litigation is more appropriate for lower-value disputes, for disputes where the CDC applies and consumer protection courts have jurisdiction, and for cases where the claimant needs to use the BCB';s regulatory channels as leverage. A hybrid approach - using state court interim measures to freeze assets while arbitration proceeds - is increasingly common in high-value fintech disputes and is expressly permitted by the Lei de Arbitragem.

Fintech and payments disputes in Brazil require a strategy that integrates regulatory, contractual, and procedural dimensions simultaneously. The BCB';s supervisory framework, the CDC';s consumer protection mandates, and the procedural architecture of Brazilian courts and arbitration each create distinct risks and opportunities. International operators that treat Brazilian fintech disputes as straightforward commercial litigation - without accounting for the regulatory overlay and the procedural specificities of the jurisdiction - consistently incur avoidable costs and delays. The most effective approach combines early regulatory risk assessment, disciplined contract drafting with enforceable dispute resolution clauses, and a clear enforcement strategy calibrated to the value at stake and the counterparty';s profile.

To receive a checklist on managing fintech and payments disputes in Brazil, send a request to info@vlolawfirm.com

Our law firm VLO Law Firms has experience supporting clients in Brazil on fintech, payments regulation, and commercial enforcement matters. We can assist with BCB administrative proceedings, arbitration strategy, enforcement of foreign awards, consumer dispute management, and LGPD compliance in the context of payment services. We can help build a strategy tailored to your specific regulatory and commercial position in the Brazilian market. To receive a consultation, contact: info@vlolawfirm.com