Aa45b was built with a clear mission: to deliver a Sports Betting and online casino experience that truly works for Brazil — with Pix, competitive odds, Portuguese-language support, and the excitement Brazilian players deserve.
From a simple idea to one of the most complete platforms for Brazilian bettors.
Aa45b launched in 2020 with a small team and a clear insight: Brazil's online betting market was growing fast, but the platforms available still didn't work the way Brazilian players needed. Slow payments, English-only support, uncompetitive odds, and interfaces built for other markets. We wanted to do things differently.
The first step was integrating Pix before anything else. It sounds simple, but it was a decision that changed everything. Suddenly, a bettor could deposit R$ 50.00 from their phone at halftime and be placing live bets in under 30 seconds. That level of convenience is what has defined aa45b from day one.
In 2021, we expanded the casino portfolio and launched live betting with real-time odds for the Brasileirão, Copa do Brasil, Libertadores, and all the major competitions Brazilian fans follow. In 2022, crash games arrived — Aviator, Spaceman, and JetX exploded in popularity within months. In 2023, we reached 500,000 registered users and kept growing.
Today aa45b is a complete platform — with over two thousand casino games, live Sports Betting coverage across dozens of sports and leagues, crash games with massive multipliers, and 24/7 support that only speaks Portuguese, because that's the most straightforward way to solve any problem.
The milestones that shaped aa45b as a platform.
Six pillars that shape every decision at aa45b — from technology to customer experience.
Instant Pix, boleto bancário, credit and debit card, PicPay, Mercado Pago, and TED transfer. Use whichever method you already know — from Nubank to Bradesco — and your money moves without any hassle. Minimum deposit of R$ 20.00 and withdrawals processed in up to five minutes.
Over 247 simultaneous events with odds updated every second. Brasileirão Série A & B, Copa do Brasil, Libertadores, NBB, Superliga de Vôlei, UFC, e-sports, and much more. Cash-out available at any time to close your bet before the final whistle.
Brazilian and international dealers streaming in HD and 4K around the clock. Roulette, blackjack, baccarat, casino poker, Andar Bahar, and live game shows. The immersion of a physical casino, right on your phone, any time of day or night.
Aviator by Spribe, Spaceman by Pragmatic Play, JetX, Moon Rocket, and 15+ titles with multipliers reaching 10,000×. Configurable auto cash-out, simultaneous double bets, and provably fair technology that any player can verify.
Live chat, email, and WhatsApp with Brazilian agents available around the clock. No bots on first contact, no waiting on auto-replies in English. Real solutions, in your language, with the tone you deserve.
256-bit SSL encryption on all transactions, full compliance with the LGPD (Lei nº 13.709/2018), and operation within Brazil's regulated Sports Betting framework. Your data and your money are protected at every step of your aa45b experience.
The principles that shape every decision at aa45b — from product development to how we treat each user.
At aa45b, what you see is what you get. RTPs published for every game, full bet history available in your account, bonus terms written in plain Portuguese, and cryptographically verifiable results on crash games. There's no fine print hiding anywhere.
Every feature at aa45b is designed to give users more control — cash-out, auto-withdrawal, voluntary deposit limits, bet history, and responsible gambling tools. The player is in charge. The platform is here to serve, not to get in the way.
In live betting, every second counts. At aa45b, odds update in real time, Pix deposits clear in seconds, and withdrawals are processed in under five minutes. Speed isn't a differentiator — it's an obligation for any platform that respects the Brazilian user's time.
Aa45b takes responsible gambling seriously. We offer daily, weekly, and monthly deposit limits, session time limits, temporary or permanent self-exclusion, and links to specialized support from CVV. Gambling should be entertainment — never a problem.
Aa45b speaks the language, thinks in BRL, covers the Brasileirão, cheers alongside fans, and runs on the payment methods Brazilians use every day. We're not a foreign platform with a translated interface — we're a platform built for Brazil from day one.
Aa45b never considers the product finished. Every update, every new game added, every payment feature integrated is a direct response to feedback from real users. The people who use the platform shape the platform — and that improvement cycle never stops.
When we founded aa45b, the core question was simple: what would the ideal betting platform look like if it were built specifically around the Brazilian way of life? With Pix, with Brasileirão, with support that truly understands the player, with mobile-first speed. Five years on, every decision we make is still guided by that same question.
— Founding Team, aa45bOne complete platform — from football to live casino, all in one place.
Aa45b operates at the highest standards of technical security and operational responsibility.
A multidisciplinary team of Brazilians passionate about technology, sports, and digital entertainment.
Brazil's online betting market has gone through a massive transformation since 2018, when regulation began to take shape. With the rise of Pix and the growth of mobile internet access, the profile of the Brazilian bettor has shifted — and the best players in this market know that serving Brazilians well means thinking like a Brazilian.
Aa45b was built on that understanding. The Brasileirão is the most-followed championship in the country — so the platform offers full coverage, with Série A, Série B, Copa do Brasil, Libertadores, and Sul-Americana all available with live betting and odds updated play by play. Football isn't just a product at aa45b — it's the reason most of our users created an account and keep coming back every matchday.
But aa45b has always known that Brazilian bettors are about more than just football. Volleyball with the Superliga, basketball with the NBB, MMA with the UFC and Brazilian champions like Alex Poatan, e-sports with CS2 and Free Fire — all of it is part of the entertainment universe Brazilians love, and all of it is covered on the platform with the same quality of markets and odds.
Aa45b's online casino was built with the same care. Having two thousand games means nothing if half of them come from unknown providers with questionable RTPs. aa45b works with Pragmatic Play, PG Soft, Evolution, NetEnt, Play'n GO, Microgaming, and other global market leaders — providers with independent certifications, audited RTPs, and the level of product quality Brazilian players deserve. Every slot has its RTP published on the game page, and all live tables are operated by licensed, continuously audited studios.
Crash games deserve a chapter of their own. When Aviator started going viral on Brazilian WhatsApp groups and Twitter in 2021, aa45b was one of the first platforms to integrate the game with the same Pix speed users already knew. The combination worked: deposit, jump into a round, cash out, deposit again — all within minutes. Today aa45b's crash game portfolio has over fifteen titles, with Spaceman, JetX, Moon Rocket, and Dragon Crash among the favorites alongside Aviator.
Payments were never up for debate at aa45b. Back in 2020, when the Banco Central was still rolling out Pix, the platform was already building the integration. Today, any user can deposit R$ 20.00 via Pix and be playing in under 30 seconds — directly from whichever banking app they already use, whether that's Nubank, Itaú, Bradesco, Banco do Brasil, Inter, C6 Bank, or any other. Withdrawals follow the same path: request, confirm, and the money is in your account in up to five minutes, with no fees.
Security isn't an afterthought at aa45b. Every transaction is protected by 256-bit SSL encryption, every piece of stored data complies with LGPD, every casino game runs on a certified RNG, and crash games use Provably Fair technology. On top of that, responsible gambling tools — voluntary deposit limits, session limits, temporary or permanent self-exclusion — are available to all users in their account settings. Because healthy entertainment is entertainment you control.
In 2026, aa45b remains exactly what it has always been: a Brazilian platform, built for Brazilians, growing alongside its users. Every new feature, every game added, every payment integration is a direct response to what Brazilian bettors and players are asking for. aa45b's story is still being written — and you're part of it.
Aa45b operates in full compliance with the LGPD and applies 256-bit SSL encryption to all data and transactions.
View Privacy Policy →The methods Brazilians already use — all integrated so your money moves fast and securely.
TED bank transfer available via Nubank, Itaú, Bradesco, Banco do Brasil, Inter, C6 Bank, and other institutions. Minimum deposit: R$ 20.00. Pix withdrawal in up to 5 minutes, fee-free.
Common questions from those who want to know the platform better before creating an account.