Players are becoming more demanding of the quality of entertainment content. Therefore, operators are looking for reliable, flexible, and modern products that can be quickly installed without technical difficulties.
This is precisely the approach offered by 2WinPower: the connection of Endorphina games via an API module. Entrepreneurs can add top slots directly, without turning to intermediaries.

The developer is a leader in the gambling industry. Its portfolio consists of over 200 solutions, each with a unique style and advantageous mathematics. The content is optimised for all devices, from PCs to smartphones.
The provider has licences in Malta and Romania, as well as quality certificates from iTech Labs and GLI-19.
Endorphina API integration allows project owners to add dozens of popular products with high RTP and modern graphics.
This is a way to connect providers with entertainment portals via a dedicated Application Programming Interface.
When entrepreneurs sign a contract with content producers, they do not need to download files or configure each product separately. Instead, they use an API connection protocol that acts as a link between the casino and the supplier’s server.
Customers simply visit the website and select their favourite slots. The system then transmits a request to the vendor’s platform in real time, after which the game is instantly launched on the screen.
The turnkey casino is a solution in an all-inclusive format.
Operators receive:
The Endorphina API connection allows entrepreneurs to add the desired content to an existing casino project. When answering the question of what the Application Programming Interface integration is, game aggregators should definitely be mentioned.
Studios like 2WinPower handle the technical side of software installation. They collaborate with dozens of providers, which speeds up and simplifies the addition of new products.

The Czech developer offers over 200 video slots. They are characterised by high-quality visuals, well-thought-out storylines, and a variety of bonuses.
Let us look at how slots of the company differ from other offers on the market:
The company offers the following recognisable releases:
The integration of the developer’s content helps attract beginner, betting enthusiasts, and experienced gamblers. High engagement and retention rates are guaranteed for all visitors to casino platforms.
The brand uses different types of dispersion: from low, where successful combinations are frequent, to high (the probability of getting a super prize is significantly lower).
The Czech company has executed work permits in many prestigious jurisdictions:
Compliance with certification requirements allows for legal operation in the European market and the integration of local firms. As a result, Endorphina content is available on international domains such as .com, .eu, .ro, etc.
Today, the company legally supplies program components to entrepreneurs in the Netherlands, Denmark, Greece, Spain, Georgia, the Czech Republic, Estonia, Italy, and other jurisdictions where online gambling is considered legitimate.

Each product is developed taking into account the latest gamedev trends. Mobile optimisation ensures maximum comfort even on smaller displays, such as smartphones.
Let us take a look at the features of the brand’s content.
All solutions are based on HTML5, a modern programming standard.
Ready-made HTML5 slots load immediately (without the need to install additional plug-ins) and run smoothly in a browser.
Endorphina adheres to the Mobile-First concept. The firm creates an interface that is perfectly adaptable to any device: personal gadget, tablet, or desktop.
All elements are automatically adjusted to the screen size. Buttons remain user-friendly even on small displays, and the functionality is retained without sacrificing quality.
Special attention is paid to performance. Digital slots work stably even with a poor Internet connection.
Casino solutions have a different number of paylines, from 3 to 100.
The betting range also varies, making online products appealing to both beginners and experienced high rollers. The maximum win is 13,839 more than the basic rate.
The Endorphina's design team creates true mini-movies with the following elements:
Each slot has its unique atmosphere: retro, ancient Greek mythology, exciting adventures, or futurism.
The audio is synchronised with the on-screen action, enhancing the effect of presence.
The provider thinks through every detail to keep the audience engaged for a long time.
Endorphina's additional rotations are activated after a winning combination is created. Players are offered 3–10 spins or even more.
During this mode, the following elements may appear on the screen:
In some slots, free spins can be reactivated if a winning line is formed again.
Odds vary from x2 to x3,500 depending on the game and the combination of winning symbols.
Some products feature a progressive multiplier that increases with each spin or successful series of rotations. This creates a sense of progress and enhances the excitement, as each subsequent bet becomes more profitable.
Bonus sessions are Endorphina's hallmark.
The most popular format is “Guess the Card”. Players must choose one and figure out whether it will be higher than the dealer's object. If the answer is correct, the prizes are doubled; otherwise, they are lost.
Some digital slots also offer other risk rounds, such as the opening of mysterious doors, where users must make a decision and hope for good luck.
The gameplay is improved thanks to the following elements:

Installation and technical support are held in several stages and typically take 2–3 weeks. This is the time from signing the contract until entertainment solutions are fully launched on the customer's platform.
Entrepreneurs do not need to worry about integrating Endorphina games. The 2WinPower team handles all engineering and organisational issues.
Game provider integration services include:
We draw up a clear installation plan tailored to the specific betting site.
Turnkey integration of gaming providers is also possible when program components from Endorphina are supplied along with the content from other top vendors. These include NetEnt, Betsson, Habanero, Amusnet, and dozens of other reputable brands.
After agreeing on the list of digital slots, a single contract with 2WinPower is signed. It covers all legal aspects of the partnership.
Entrepreneurs receive API keys for software adjustments, access to technical documentation, and instructions for installing and managing entertainment products.
This is the main stage, during which content is added to the online casino's library via a remote game server (RGS). Data is transmitted in real time via encrypted channels.
Provider connection services from 2WinPower include:
Our specialists run a sandbox verification of game processes, analyse the accuracy of bets or winnings, and assess the security of transactions. Such inspections are performed on various devices (desktop, mobile, tablet) and browsers. Any inaccuracies and failures are eliminated instantly.
Entertainment content is configured in accordance with the licensing requirements of each jurisdiction. Due to this, some functions in slots may be temporarily disabled, for example, a turbo mode in Germany or free spins in Sweden.
After successful testing, the solution is transferred to the main (production) server.
Product integration services include:
The provider’s connection to the operator’s platform, with the help of our specialists, is a proven way to quickly launch an online casino, enter regulated markets, and increase profits.
Instead of complex multi-channel installations, entrepreneurs receive a scalable solution with centralised management and support.
Let us consider the advantages of API integration:

Before the start of cooperation, it is important to ensure that the entertainment site meets basic standards.
Quick installation of games is possible thanks to support for the following technologies:
Technical requirements for API integration include several standards:
| Specification | Description |
| JSON | A lightweight and universal data-interchange format used in many web applications |
| HTTPS and REST | These are 2 architectural styles that serve as a basis for the logic of interaction between an online casino and an aggregator |
| API keys и OAuth 2.0 | A dual authentication system is used to confirm the uniqueness of requests. This includes tokens (API keys) and the additional OAuth 2.0 protocol |
| SSL/TLS | SSL (Secure Sockets Layer) and TLS (Transport Layer Security) records provide end-to-end encryption of Internet traffic |
For entrepreneurs that manage multiple iGaming platforms, real-time synchronisation via Webhook is essential. This solution is used to instantly harmonise data, time, or files between 2 or more systems (for example, cash register modules, CRM, or analytical panels).
The 2WinPower team emphasises compatibility with major browsers (Chrome, Safari, Firefox, Edge) and mobile operating systems (Android and iOS). The download speed of entertainment should not exceed 3 seconds, and page content should be correctly displayed on all devices.
The API aggregator includes a full set of tools for studying the performance of the casino portal. Operators have access to a variety of metrics and reports that help them make informed decisions 24/7.
Key features of the proprietary platform include:
Thanks to built-in analytics, entrepreneurs can manage their gaming portfolio, adjust marketing strategies, and optimise business processes. All settings are collected in one place and accessible in real-time.
The 2WinPower studio offers flexible and transparent interaction models.
Project owners can choose the optimal format based on their business scale and development strategy. This approach makes it possible to use all the advantages of API integration and enter the iGaming market without unnecessary risks.
The Endorphina's tool is available with several payment options:
One of the advantages of the API installation is transparent cooperation conditions. Casino owners immediately see the full cost of such integration, with no hidden fees or additional charges.
You can order this service in just a few clicks. Just contact our manager for an accurate cost estimation.
The benefits of working with our studio include:
2WinPower experts offer flexible interaction formats for gambling brands, as well as 24/7 support and instant content updates.
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