About Us
Online Casinos was built for one reason: US players deserve a clear-eyed, honest look at which online casinos actually pay out, how fast, and under what conditions. We don't run casinos and we don't take deposits — we research them, compare the terms that matter, and lay out what we find so you can decide where to play.
Where this site earns a commission when a reader signs up through one of our links, that has no bearing on how a casino is scored or where it lands in our rankings. Commercial relationships do not decide position — our published assessment does.
What "best payout" means on this site
Payout speed and reliability come down to a handful of concrete factors rather than a single number: how a casino's Return to Player (RTP) is set and disclosed, how quickly withdrawal requests are processed once identity is verified, what payment methods are actually supported for cashing out, and whether bonus terms make winnings hard to withdraw in practice. RTP itself is a long-term statistical average published by the game provider — it describes what a game returns across millions of rounds, not what happens on any single session, so it never predicts an individual result.
We weigh these factors together with licensing status and the clarity of a casino's terms and conditions to arrive at the ranking shown on this site.
How we assess the casinos we cover
Our review process looks at the same core set of criteria across every operator on this site:
- Licensing and regulatory standing, and whether that oversight is verifiable
- Published RTP figures and use of certified random number generators for applicable games
- Deposit and withdrawal methods offered, along with stated processing times and fees
- Bonus terms, including wagering requirements, expiry windows, game restrictions and maximum withdrawal caps
- Site security, including HTTPS encryption and account protections such as two-factor authentication
- Customer support availability and the channels on offer
We have not deposited, played or withdrawn funds ourselves — our reviews are based on researching each operator's published terms, licensing information and payment documentation. No amount of research replaces reading the actual terms before you claim a bonus or make a deposit, and we recommend doing that every time.
A closer look at three of our top-listed casinos
These write-ups reflect our own research and are not a substitute for checking current terms directly with the operator.
Raging Bull
Raging Bull tops our current list on the strength of its welcome package — 410% up to $10,000 plus 50 free spins — paired with terms we found clearly stated at the point of research. A bonus of this size will carry meaningful wagering requirements and game restrictions, so it suits players who intend to read the fine print rather than claim and cash out quickly. The limitation to weigh: large percentage-match bonuses of this kind typically come with correspondingly high playthrough requirements before any winnings are withdrawable.
Uptown Aces
Uptown Aces sits just behind on our list with a 600% new-player bonus, one of the larger match percentages we cover. A bonus at this scale rewards patience — it's built for players planning a longer session across multiple game types rather than a single quick spin. The trade-off is the same one that applies to any high-percentage offer: expect a longer path to meeting wagering conditions, and confirm the maximum bonus amount and eligible games before depositing.
Ignition
Ignition's 300% welcome bonus up to $3,000 is more modest than the two above, which in practice can mean more manageable wagering terms relative to the bonus size. It's a reasonable fit for players who want a straightforward welcome offer without chasing the largest headline number. Its limitation is the flip side of its moderation: the maximum bonus ceiling is lower, so high-stakes players may find it caps out faster than some alternatives on this page.
How deposits and withdrawals typically work
US online casinos generally support a mix of the following, though availability varies by operator:
- Debit cards — widely accepted for deposits, usually instant
- ACH bank transfers and online banking — common for both deposits and withdrawals, though processing can take longer than card payments
- Digital wallets — where supported, often faster for withdrawals than bank transfers
- Cryptocurrency — offered by some operators, with its own processing times and volatility to consider
- Online cash transfer services and cash at partner locations — available at select operators as an alternative to digital methods
Before any withdrawal is released, expect to complete identity verification (KYC) — typically photo ID, proof of address and sometimes proof of payment method. This is standard practice and protects both the player and the operator; it can add time to a first withdrawal specifically, so build that into your expectations.
What's actually on offer beyond the welcome bonus
The casinos we cover typically run several distinct product lines rather than a single game type:
- Slot machines, ranging from classic reel formats to feature-heavy video slots
- Table games such as blackjack, roulette and baccarat variants
- Live-dealer rooms streaming real dealers for table games in real time
Several operators on this site also run adjacent offerings such as sweepstakes-style coin play or sportsbook-style betting alongside their casino games — these operate under different rules and reward structures than the casino games themselves, so it's worth checking how a given operator structures each product before assuming they work the same way.
Eligibility and legal standing
Online gambling regulation in the US varies significantly by state, and not every operator or game type is available everywhere. As a general rule, players must be of legal gambling age — commonly 21, though this can differ by state and by activity — and physically located within a state where online gambling is permitted at the time of play, regardless of where the account was opened. We do not claim any specific casino holds a particular US state licence; readers should verify an operator's current licensing and availability in their own state directly with the operator before signing up.
Responsible gambling
Set a deposit and time limit before you play, never gamble with borrowed money, and treat any bonus as a feature of the game rather than a reason to spend more than planned. If gambling stops being enjoyable, starts affecting your finances, or you want to set firmer boundaries, most licensed operators offer self-exclusion programmes and account-level deposit or spending limits. For more detail on setting limits and finding support services, see our responsible gambling page.
Questions we get about this site
Do you accept payment to rank a casino higher?
No. Some links on this site may earn a commission if you sign up through them, but that arrangement has no influence on how a casino is scored or ordered on the page.
Have you personally played at every casino you review?
We research licensing, terms, payment methods and published RTP data rather than depositing or playing ourselves — our assessments are based on that research, not on personal play.
How often is this page updated?
We revisit our rankings and the terms behind them periodically as operators change their bonuses, licensing or payment options, and the date shown at the top of this page reflects the last update.
What if I have a question you haven't answered here?
You're welcome to reach out through our contact page — we read every message and use reader feedback to keep our research current.
This site exists to make comparing US online casinos less confusing, not to push any single operator. If a casino's terms don't suit how you want to play, that's a reason to look further down the list — not a reason to skip reading the terms altogether.