Authorization
Approve more sales in milliseconds.
Authorize in real time, connecting the merchant to the schemes (Visa, Mastercard, Elo) to validate balance and security at the issuer.

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What people say about our solutions
Fits is already listed at the Central Bank as Fits IP, with corporate name, digital certificates, website and social profiles adapted to the new rule.
FitBank runs digital wallets connected to three banks in Guatemala’s financial system and plans to secure Central America in 2026.
With the conversational AI Maia, EasyCrédito lifted conversion by up to 103% and expanded credit granted by 30%.
FitBank buys Rodobank and boards a R$ 500 billion market.
FitBank is also eyeing international expansion and plans to open an office in the United States.
Startup allows companies to operate as if they were financial institutions. It was J.P. Morgan's first investment in a Latin American fintech.
“People don’t need banks, they need banking,” says Otavio Farah, of FitBank.
Fits is already listed at the Central Bank as Fits IP, with corporate name, digital certificates, website and social profiles adapted to the new rule.
FitBank runs digital wallets connected to three banks in Guatemala’s financial system and plans to secure Central America in 2026.
With the conversational AI Maia, EasyCrédito lifted conversion by up to 103% and expanded credit granted by 30%.
FitBank buys Rodobank and boards a R$ 500 billion market.
FitBank is also eyeing international expansion and plans to open an office in the United States.
Startup allows companies to operate as if they were financial institutions. It was J.P. Morgan's first investment in a Latin American fintech.
“People don’t need banks, they need banking,” says Otavio Farah, of FitBank.

Process cards end to end in weeks: authorization, settlement, antifraud and receivables advance on the same platform.
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AaaS infrastructure for the card cycle: authorization with the schemes, merchant settlement, reconciliation, antifraud and receivables advance for the establishment.
Approve more sales in milliseconds.
Authorize in real time, connecting the merchant to the schemes (Visa, Mastercard, Elo) to validate balance and security at the issuer.
End the question of when the money lands.
Guarantee that sales are paid into the merchant bank account after scheme clearing.
Close the day knowing exactly what comes in.
Check every processed sale, with fees deducted and the net amount to receive confirmed.
Offer merchants liquidity that becomes a new revenue line.
Convert future sales into immediate balance (D+1), automatic or on demand.
What this changes in your operation
Proprietary technology
Rule changes and new schemes ship in a release: the people who maintain the code answer you directly.
Scalability
Peak days do not take your authorization down: capacity follows volume with nothing for you to provision.
Versatility
Card, Pix, boleto and split in one contract: you build the arrangement your market asks for.
Easy integration
For you to start with no consulting: documented API and sandbox, first transaction in days.
Advance and credit
Offer D+1 liquidity to your merchants and open a revenue line, with no credit desk to build.
Specialized support
Your declines and chargebacks get an answer today: engineering and business within reach, not next sprint.
Faster go-to-market
You enter acquiring in weeks, with nothing to certify from scratch.
Less fraud exposure
Anti-fraud and monitoring come included, instead of losses on your results.
More transparency
Your merchant sees rate, term and receivable without having to call.
100% digital cycle
From onboarding to settlement, with no paper stalling your process.
D+1 liquidity
You offer advances and create revenue without building a credit desk.
Problem: Certify schemes, build everything.
Solution: White-label acquiring, ready to run.
accelerated go-to-market and ready authorization and settlement infrastructure.
How we did it: Fits AaaS onboarding and stack to process via POS and e-commerce without scheme certification from scratch.
Problem: The platform became the seller's bank.
Solution: Receivables and liquidity under management.
smooth settlement and D+1 advance for the end merchant.
How we did it: AaaS with reconciliation, a clear merchant-app schedule and automatic or on-demand advance.
Problem: Full fees, no view of cash.
Solution: Own acquiring on Fits infrastructure.
lower operating cost, centralized cash flow and advance for the network.
How we did it: own acquiring operation with authorization, settlement and antifraud on the same platform.