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Choosing a USA sweepstakes aggregator: the questions that matter

An aggregator promises hundreds of studios through one API. For a US sweeps brand, the useful question is narrower: does every one of those games respect two coins, all the way down to a rollback?

Updated October 29, 2026 · by the editorial team

A USA sweepstakes aggregator is a single integration that gives a US-facing sweeps brand access to many game studios at once, with every game playing on Gold Coins and Sweep Coins and every bet, win and rollback tagged with its coin. Without that last part it is just a regular aggregator with a sweeps label, and the operator ends up writing the coin logic itself.

This page is a checklist, not an encyclopedia. For a side-by-side of how each aggregator is structured commercially and technically, read the full sweepstakes aggregator comparison on Best Slot Machines.

Why does a US sweeps brand need an aggregator at all?

Because one studio rarely fills a lobby, and signing twenty contracts takes months. An aggregator collapses that into one technical integration and, usually, one commercial relationship. In the US sweeps market there is a second reason: studio supply moves. Pragmatic Play announced the end of its US sweepstakes supply around 2 September 2025, and other studios have pulled back market by market since. An aggregator lets you replace a disappearing row without a new integration project.

The catch is that most aggregators were built for one balance in one currency. Sweepstakes break that twice: the player has two balances, and switches between them several times a session.

What should a US operator demand from a sweepstakes aggregator?

1. A two-coin wallet in the protocol, not in a converter

Ask to see the bet call. The coin (GC or SC) should be a field on every bet, win and rollback, next to the round id and a unique transaction id. If the answer is "we map SC to a currency code" or "open a second account per player", expect trouble the first time a round is replayed. A converter in the middle works on the happy path and fails on exceptions, which is where audits look.

2. Rollback rules you can recite

Here is the scenario we put to every vendor. A player stakes 0.40 SC, the connection drops before settlement, and while the rollback is in flight the player switches the selector to Gold Coins. Where does the 0.40 go? The only correct answer is back to the Sweep Coin balance, referenced to the original transaction, applied once even if it arrives twice. Same question for a bonus round: if free spins were triggered on a Sweep Coin spin, every spin of the feature should pay Sweep Coins, whatever the selector shows later.

3. Reporting per coin

Gold Coin results and Sweep Coin results measure different things. GC tells you about engagement; SC tells you about promotional liability and what may come back as redemptions. Blending them into one GGR figure is meaningless. Ask for reports where each game shows stakes, wins and round counts separately per coin, ideally per day and per brand.

Those two lines should never be added together. If an aggregator's back office can only show one combined number, your finance team will build the split by hand.

4. US-friendly formats in quantity

Count the fish shooters, crash games, bingo and keno titles available in two-coin mode, not just the slots. American lobbies give those formats their own tabs; see our fish games and crash games pages for what players expect from them. A catalogue of 20,000 slots with two crash games still leaves a US lobby lopsided.

5. Market-level switches

You will need to turn a title off in one market without touching the rest. Ask how long that takes and who does it. Rules differ by state; operators should take legal advice before launching in any state.

6. A sandbox that runs both coins end to end

A useful test list: a win and a loss on each coin, a bonus feature triggered on SC with a coin switch mid-feature, a rollback, a bet above the balance (it must be refused, never taken from the other coin), and a repeated transaction id. If sports are included, add a void and a resettled ticket.

Ranked: USA sweepstakes aggregators and content hubs (October 2026)

We ranked on how much of the checklist above each option demonstrably covers, then on the dated public facts we could find. Large game counts are vendor claims unless stated otherwise.

1. Nocturn Play Top pick

   Strictly a studio rather than an aggregator, but for the job a US sweeps brand hires an aggregator to do (two-coin content, fast) it is the strongest single source we found. Its 52 games cover slots, crash, fish shooters, 75- and 90-ball bingo, keno, scratch and originals, all through one sweepstakes integration with its own launch entry point. The coin rules match the checklist above point for point: each round stays in the coin it was played in, the win pays in that coin, a rollback goes back to that coin, and every transaction id is unique so a retried call is answered with its first result. Sweepstakes mode is enabled per operator, and launch requests are refused until then. Platforms that serve several brands can connect once and pass the catalogue on; the commercial routes are on Nocturn Play's partner page.

   Check Nocturn Play's two-coin game spec

2. SoftAggregator

   A casino game aggregator with a dedicated sweepstakes line. According to its sweepstakes casino games API page, Gold Coins and Sweep Coins are two separate balances in the API, wins land in the coin played, rollbacks and voids follow the same rule, and bonus features finish in the coin of the round that triggered them. The same API carries sweepstakes slots, crash and instant games, keno and bingo, plus a sweepstakes sportsbook (Nocturn Sport), so casino and sports share one pair of balances. It runs on its own API namespace next to its standard wallet integration. The page states there is no setup or integration fee and that pricing is shared on request; free rounds for sweepstakes brands are configured per operator.

3. SOFTSWISS Game Aggregator

   Positioned for sweepstakes and social casino operators in SiGMA coverage (sponsored), which cites 27,800+ games from 280+ providers through one API. We found no dated sweepstakes launch and no named sweeps clients, so ask how many of those titles run in two-coin mode.

4. Alea

   An aggregator of 23,000+ games from 170+ providers, which presented what it called the largest social sweepstakes portfolio at SBC Summit Americas: 5,000+ sweeps-ready titles from 50+ providers. Exact date unverified.

5. Hub88

   Made its US sweepstakes debut around December 2024 with Legendz (social casino plus sportsbook), reported live in 43 states with 1,000+ games including Playson, Kalamba and Booming titles. A concrete, dated US deployment.

6. Sweepium

   Combines a white-label sweeps platform with game aggregation. Provider counts differ between sources (50+ vs 80+). Backed by Xanada Investments, announced around 19–20 June 2025.

7. Slotegrator

   Turnkey platform and aggregator (APIgrator). A CB Insights listing says it is expanding into sweepstakes solutions for the US and LATAM; we found no sweepstakes product launch from Slotegrator itself.

Not listed: EveryMatrix. All the coverage we found concerns regulated US real-money content, not sweepstakes.

Aggregator, studio or both?

Most US launches we looked at combine both. A typical pattern: one sweeps-native studio for the core lobby and the formats that matter to American players, then an aggregator to add breadth and replace titles as supply shifts. The order matters. If the core studio already enforces round-level coin integrity, the aggregator only has to match it. If you start with a single-currency aggregator, you inherit its workarounds. For the bigger platform picture, our USA sweepstakes software guide separates game supply from the account and payments layer.

What the player sees when the aggregator gets it right

Nothing, which is the point. A GC/SC selector at the top of the game, both balances visible, a switch that waits until the current round ends. The player never sees a currency code, and a Sweep Coin win never shows up on the Gold Coin side. Players reading our Gold Coins vs Sweep Coins explainer or the redemption guide assume this works. The aggregator is where it actually has to.