Create your account, make your first deposit via Pix, and get a 100% bonus — up to R$ 500.00 — to bet on the Brasileirão, play at the live casino, or try Aviator. Sign-up is free and takes under two minutes.
Bonus on the 1st deposit
"I signed up on a Sunday afternoon to follow Flamengo x Palmeiras in Série A. I deposited R$ 50.00 via Pix, got an extra R$ 50.00 bonus, and was placing bets within 3 minutes. I withdrew the next day without any hassle."
"I'd never bet online before. Signing up at aa45b was incredibly easy — I filled everything in on my phone in under 2 minutes. The support team walked me through the bonus on WhatsApp. I'd recommend it to anyone looking to get in on the action."
Welcome to aa45b! You'll receive a confirmation email shortly. Make your first deposit via Pix and unlock your 100% bonus.
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Over 500,000 Brazilian users have chosen aa45b as their betting and casino platform. Here's why.
Deposit via Pix and aa45b doubles it — up to R$ 500.00 in extra credit to use on Brasileirão bets, slots, crash games like Aviator and Spaceman, or live blackjack and baccarat tables. 10x rollover within 30 days.
Deposit from R$ 20.00 via Pix and watch the balance appear in your account within seconds. To withdraw, simply enter your Pix key linked to your CPF — funds arrive in your account in under 5 minutes. We also accept boleto, credit card, PicPay, and Mercado Pago.
Follow Brasileirão Série A and B, Copa do Brasil, Libertadores, Sul-Americana, volleyball, NBB basketball, UFC/MMA, e-sports, and dozens of other competitions. Live betting with cash-out and real-time odds updated directly on your mobile.
Over two thousand games available after registration: slots from the world's leading providers (Pragmatic Play, PG Soft, NetEnt), live dealer tables (blackjack, roulette, baccarat, poker), game shows, and crash games like Aviator, Spaceman, and JetX.
Your CPF is encrypted with SSL 256-bit the moment you enter it. Registration data is handled in accordance with the LGPD (Law No. 13,709/2018), never sold to third parties, and accessible only by authorized aa45b staff for operational and security purposes.
Issue with registration? Question about the bonus? The aa45b team is available 24 hours a day via live chat on the platform, WhatsApp, and email at suporte@aa45b.best. All agents are Brazilian and speak your language.
A step-by-step look at what happens after you click "Create Account".
Full name, CPF, date of birth, and mobile number with area code. Provide your state of residence so we can tailor the available championships to your account.
Enter your email and create a strong password with at least 8 characters. If a friend referred you to aa45b, enter their referral code at this step to unlock extra bonuses.
Review your details, accept aa45b's Terms and Conditions and Privacy Policy, and confirm you are of legal age. Click "Create Free Account" to complete the process.
You'll receive a confirmation email within 2 minutes. Click the link to activate your account. If you don't see it in your inbox, check your spam folder or request a new one.
With your account active, make your first Pix deposit from R$ 20.00 and the 100% bonus — up to R$ 500.00 — is automatically credited to your bonus wallet.
Balance ready, bonus active, and over two thousand games waiting for you. Live Brasileirão, Aviator taking off, or a hand of blackjack with a real dealer — the choice is yours.
The requirements are straightforward — if you live in Brazil and are 18 or older, you likely already have everything you need.
Valid CPF
Your individual taxpayer ID issued by the Receita Federal. Each CPF can only be registered once on aa45b.
18 years of age or older
This platform is strictly prohibited for anyone under 18. Date of birth is verified during registration.
Brazilian Resident
Aa45b services are intended exclusively for residents of Brazil. Your address and state of residence are requested during registration.
Brazilian email and mobile number
An active email address for registration confirmation and a Brazilian mobile number with area code for security checks and support.
After registering, these are the deposit methods available at aa45b.
We also accept TED bank transfers via Nubank, Itaú, Bradesco, Banco do Brasil, Inter, C6 Bank, and other Brazilian digital banks. Minimum deposit of R$ 20.00 across all methods.
Creating an account at aa45b is straightforward, hassle-free, and completely free. Unlike other platforms that demand endless documents before you can start playing, aa45b's registration was designed to be simple: fill in your basic details, confirm your email, and you're ready to make your first deposit via Pix within minutes.
Your CPF is required because it's the most reliable way to ensure every account belongs to a real person living in Brazil with legal capacity to place bets. It protects you — no one can open an account using your details without your consent — and keeps the platform safe for all registered users.
The 100% welcome bonus on your first deposit is one of the best deals in the Brazilian online betting market. Deposit R$ 100.00 via Pix and get an extra R$ 100.00 in bonus credit — giving you R$ 200.00 to bet with. The maximum bonus is R$ 500.00, so if you deposit R$ 500.00 on your first access, aa45b adds another R$ 500.00 to your bonus wallet. The standard rollover is 10x the bonus amount, with 30 days to complete it — full terms in the Terms and Conditions.
Once your account is set up, a wide world of betting and gaming opens up. For Brazilian football fans, aa45b offers full coverage of Brasileirão Série A and B, Copa do Brasil, Libertadores, Sul-Americana, and hundreds of other competitions. Live betting lets you jump in while the match is happening, with odds updated every minute and a cash-out option to close your bet before the final whistle.
In the casino, over two thousand games are waiting for new members. Slots from the world's top providers — Pragmatic Play, PG Soft, NetEnt, Play'n GO — run directly in your browser or mobile app with no extra downloads required. Live tables with real dealers stream in HD at the quality of a brick-and-mortar casino. And crash games like Aviator and Spaceman bring a blend of strategy and adrenaline that has become a firm favorite among players who discovered aa45b in recent years.
Withdrawals are just as simple as signing up. With a verified account, you request a Pix withdrawal to the key linked to your CPF and the funds hit your account in up to 5 minutes. aa45b charges no withdrawal fee for Pix transactions. Larger withdrawals may require an additional security check, but the maximum processing time is 24 hours.
The platform is built to perform on mobile — most aa45b users access it from their smartphones. The site is fully responsive and loads quickly even on standard 4G networks, with no app installation required, though the app is also available for those who prefer it. If you have any questions about registration, bonuses, or any other feature, Portuguese-language support is available 24 hours a day via live chat, WhatsApp, and email at suporte@aa45b.best.
The most common questions from people signing up with aa45b for the first time.