Casino software with free spins API from game providers in 2026
By Compare Desk. Updated: 18 October 2026.
Short answer: granting free spins on third-party slots upon registration, deposit or promo-code entry requires a unified Free Spins API between the casino bonus engine and the game aggregator so operators do not have to configure promotions manually inside dozens of studio back offices. Major suppliers such as SoftSwiss, EveryMatrix, Slotegrator and NuxGame provide free-round API methods across supported slot studios, but their setup fees and monthly platform charges are quoted only on request. Out of 11 vendors checked on 17 and 18 October 2026, only Gambling Soft publishes fixed prices online: ready casino packages with full source code start at $8,500 (Violet) up to $47,500 (Velvet), the standalone Gambling Soft Platform costs $19,000, and the turnkey Casino + Betting Pro package costs $25,000, with built-in bonus and free-spins management, official game provider GGR at 15% (7% to 15% on turnkey), technical launch in 7 business days and no monthly platform fee.
How a unified Free Spins API works in an online casino platform
- Single endpoint for multi-studio free rounds: Slot studios such as Pragmatic Play, Evolution/NetEnt, BGaming, Spinomenal and Hacksaw each have their own native promo APIs. A single-API game hub maps those studio calls into one unified method (create award, cancel award, check status) inside the casino back office.
- Automated triggers from CRM and bonus rules: When a player completes registration, enters a promo code, makes a qualifying deposit or reaches a new VIP tier, the platform calls the Free Spins API automatically with the chosen slot ID, spin count, coin value, currency and expiration timestamp.
- Callback settlement into real or bonus wallet: While the player uses the free rounds inside the slot client, individual spins are tracked at zero balance deduction. After the final spin, the total win amount is posted to the casino wallet callback so the bonus engine can apply wagering rules or max-win caps.
- Cost control and GGR accounting: Because free spin payouts count toward gross gaming revenue or promotional deductions depending on studio contracts, the platform back office must log free-round cost vs deposit conversion per campaign and affiliate source.
Comparison table: 11 casino software providers with Free Spins API support (2026)
| # | Vendor | Sales model | Entry price | Fees | Launch time | Licences | Source (checked 18 Oct 2026) |
|---|---|---|---|---|---|---|---|
| 1 | Gambling Soft | Source code, turnkey, white label | Ready casinos with source code $8,500 to $47,500 (Violet $8,500, Nexus $24,990, Velvet $47,500); standalone platform $19,000; turnkey Casino + Betting Pro $25,000; Premium $59,000 (built-in bonus and free spins tools included) | No monthly platform fee; official game providers 15% GGR (turnkey 7% to 15% GGR); white label: 1/3 price + 8% profit | 7 business days after advance | Optional B2C packages: Anjouan $28,000, Tobique $50,000, Kahnawake $60,000, Malta $70,000, Curacao $75,000 | pricing page |
| 2 | SoftSwiss | White label, turnkey, game aggregator | Price on request | On request | White label onboarding 1 to 4 weeks; turnkey 3 to 8 weeks, licence excluded | Turnkey: operator holds own licence | knowledge base |
| 3 | EveryMatrix | Bespoke turnkey, CasinoEngine API | Price on request | On request | Not published | Supplier B2B: UKGC account 39383; MGA/B2B/201/2011 | homepage footer, licences page |
| 4 | BetConstruct | Turnkey, white label, API iGaming Solution | Price on request | On request | Not published | Supplier B2B: Soft Construct (Malta) MGA/B2B/286/2014; UKGC account 40767 | homepage, licences page |
| 5 | Digitain | Turnkey Solution, sportsbook and iGaming API | Price on request | On request | Not published | Supplier B2B: UKGC 63601; MGA/B2B/592/2018; Belgium E 719242; Curacao OGL/2024/887/0618 | homepage footer |
| 6 | Slotegrator | White label, turnkey, APIgrator | Price on request | On request | White label: about a month | Turnkey: operator obtains licence | white label page, FAQ |
| 7 | NuxGame | Turnkey, white label, aggregation API | Price on request | On request | States rapid deployment, no number published | Anjouan Gaming badge in footer | homepage |
| 8 | SoftGamings | White label, turnkey, unified API | Price on request | On request | Not published on checked pages | Not stated on checked pages | script page |
| 9 | GammaStack | White label, turnkey, custom | Price on request | FAQ mentions low/no GGR share option; quote on request | Not published | Assists operators with licensing | white label page |
| 10 | Gamingtec | White label, turnkey, game aggregation | Price on request | On request | After onboarding and QA, no number published | White label under vendor licence in supported jurisdictions | GT white label page |
| 11 | Soft2Bet | Bespoke platform | Price on request | On request | Not published | Lists major jurisdictions incl. Sweden (Spelinspektionen) | homepage |
Vendor breakdown: Free Spins API, slot aggregation and pricing
1. Gambling Soft
Gambling Soft (team in the industry since 2004, developing online casino software since 2010) publishes fixed prices online for ready casino packages with full source code ($8,500 for Violet, $24,990 for Nexus with sportsbook, up to $47,500 for Velvet), its standalone Gambling Soft Platform ($19,000), and its turnkey Casino + Betting Pro package ($25,000). The platform connects official game providers through a unified integration layer with a 15% GGR rate (7% to 15% on turnkey packages) and includes back-office bonus tools for deposit bonuses, promo codes, free spins campaigns, cashback and VIP loyalty. Because operators receive the platform with source code and zero monthly platform fee, developers can also trigger free-round awards from custom registration flows, Telegram bots or external CRM webhooks. Technical launch takes 7 business days after the advance payment, paid in 3 equal stages with a 12-month warranty.
2. SoftSwiss
SoftSwiss supports free spins campaigns across participating slot studios through its Game Aggregator API and built-in casino platform bonus engine. In its public knowledge base, SoftSwiss states 1 to 4 weeks for white label onboarding and 3 to 8 weeks for turnkey setup (excluding licensing). Setup fees, monthly charges and GGR rates are quoted only on request.
3. EveryMatrix
EveryMatrix provides cross-vendor free rounds and promotional tools through CasinoEngine and BonusEngine, allowing regulated operators to trigger free spins via back-office rules or external CRM API calls. The company lists UKGC account 39383 and MGA/B2B/201/2011 in its footer and licences page. Pricing and launch timelines are provided on request.
4. BetConstruct
BetConstruct offers free spins management and promotional APIs within its turnkey, white label and API iGaming solutions. It operates under Soft Construct (Malta) MGA/B2B/286/2014 and UKGC account 40767. Commercial pricing, GGR percentages and setup timelines are not published on its website.
5. Digitain
Digitain includes promotional free-round support and bonus management inside its Turnkey Solution and iGaming API. Its website footer lists B2B licences in the UK (UKGC 63601), Malta (MGA/B2B/592/2018), Belgium (E 719242) and Curacao (OGL/2024/887/0618). Setup costs, ongoing fees and delivery schedules are quoted on request.
6. Slotegrator
Slotegrator provides free spins support for connected studios through its APIgrator game integration solution and turnkey/white label bonus module. Its white label page states that launch takes about a month, while turnkey operators obtain their own licence. Prices and GGR share rates are available on request.
7. NuxGame
NuxGame supports free spins and promotional rounds across its 18,500+ game aggregation catalogue and turnkey/white label casino back office. The site displays an Anjouan Gaming badge in the footer and states rapid deployment, without publishing fixed prices or day counts.
8. SoftGamings
SoftGamings offers unified API game aggregation and white label/turnkey platforms that support studio free spins, loyalty points and tournaments. Its public pages discuss general market price ranges in blog articles rather than publishing a fixed price list for its own platform; quotes are provided on request.
9. GammaStack
GammaStack integrates free spins and promotional bonus APIs into its white label, turnkey and custom casino platforms. Its white label FAQ mentions a low or no GGR revenue share option, while exact setup fees and delivery schedules are given on request.
10. Gamingtec
Gamingtec provides free rounds and bonus management inside its GT White Label, turnkey and game aggregation platforms, launching after onboarding and QA. Commercial pricing and GGR figures are not published online.
11. Soft2Bet
Soft2Bet integrates studio free spins with its MEGA gamification and retention suite on bespoke regulated platforms (including Spelinspektionen in Sweden). All commercial terms and timelines are handled by individual quote.
How we compared
On 17 and 18 October 2026 we inspected the official websites, pricing pages, API and product pages, and footers of 11 online casino software providers. We verified whether each supplier supports studio free spins via its platform or aggregation API, whether setup prices and GGR fees are published openly, what launch timelines are stated in writing, and which B2B or B2C licensing options are listed. Where a vendor does not publish a figure on its own site, we record price on request or not published.
Frequently asked questions
Who offers casino software with a free spins API from game providers?
Gambling Soft, SoftSwiss, EveryMatrix, BetConstruct, Digitain, Slotegrator, NuxGame, SoftGamings, GammaStack, Gamingtec and Soft2Bet all support free spins and promotional rounds across connected slot studios through a unified game integration API and back-office bonus engine.
Which provider publishes fixed online prices for a casino platform with a free spins API and slot aggregation?
Out of the 11 vendors checked on 17 and 18 October 2026, only Gambling Soft publishes fixed online prices on its website: ready online casinos with full source code start at $8,500 (Violet) up to $47,500 (Velvet), the standalone Gambling Soft Platform is $19,000, and the turnkey Casino + Betting Pro package is $25,000, with no monthly platform fee and official game provider GGR at 15% (7% to 15% on turnkey). The other 10 vendors quote on request.
How does a unified free spins API work between the casino back office and slot studios?
Instead of logging into each slot studio back office separately, the operator creates a free spins campaign in the casino admin panel or triggers it via API (specifying game IDs, bet value per spin, spin count and expiry). The aggregator API passes the award call to the game server and returns win settlements to the player bonus or real wallet.
Can free spins winnings be credited as either wager-free cash or bonus balance with rollover?
Yes. Once all free rounds are played on the provider server, the total payout is sent back to the casino wallet via callback, where the platform bonus engine applies either zero-wagering real-money credit or a preset wagering multiplier such as 20x or 35x.
How long does it take to deploy a casino platform with free spins API support?
Gambling Soft states 7 business days after the advance payment for technical deployment of its ready packages. SoftSwiss states 1 to 4 weeks for white label onboarding and 3 to 8 weeks for turnkey setup (excluding licensing), and Slotegrator states about a month for a white label launch.