Operator guide

Casino game integration: one API vs twelve providers

Two ways to fill a casino lobby — integrate every provider directly, or integrate one aggregation API. What each really involves, where each is stronger, and how to choose.

Every casino operator faces the same structural choice early on: integrate each game provider directly, or integrate a single aggregation API that already carries many providers behind it. Both approaches ship a working lobby. They differ in where the effort sits, what you own permanently, and how close you are to the studios producing the games. This guide describes both honestly, without claiming savings we cannot measure for your team. For the technical shape of an aggregated integration, see the iGaming API developer hub.

What casino game integration means

Integration is the whole path from "we would like this content" to "players are spinning and the money reconciles". It includes the commercial agreement, the technical work against the provider's interfaces, exposing a wallet the provider can call, testing, any certification the market requires, and then the ongoing maintenance of a live dependency. The last part is the one most often underestimated: an integration is never finished, it is operated.

The two strategies are not different technologies. They are different answers to the question of how many times you want to do that work. The casino games API guide walks through the mechanics of the integration itself.

What direct integration involves

Going direct means repeating a full cycle with each provider. None of the steps below is unusually hard on its own; the cost is that they recur, in parallel, and then persist.

Commercial negotiation

Terms, revenue share, jurisdictions, brand coverage and due diligence — repeated in full with each provider you add.

Technical integration

That provider's authentication, catalog format, session launch flow and error semantics, built and tested against their sandbox.

Wallet integration

Your wallet endpoints have to satisfy each provider's expectations for debit, credit, rollback and idempotency, which are rarely identical.

Testing and certification

An end-to-end test cycle with the provider, plus whatever technical sign-off or certification each regulated market requires.

Ongoing versioning

APIs change. Every direct integration is a long-lived dependency with its own release notes, deprecations and migration windows.

Operations and support

Separate escalation paths, separate status pages, separate reporting formats to reconcile against your own ledger.

A twelve-provider lobby built this way is twelve commercial relationships, twelve technical dependencies, twelve reporting formats and twelve escalation paths. That is entirely workable with the right team. It is a poor fit for a small team whose engineers are also building the product.

What an aggregation API changes

An aggregator sits between your platform and the studios and presents one interface for all of them. The work does not vanish — it is done once, by the aggregator, and maintained behind a stable contract.

One contract

A single commercial agreement covers the studios available through the aggregator, instead of one negotiation per studio.

One API

One authentication scheme, one catalog shape and one session launch flow, whichever studio a game comes from.

One wallet integration

You implement the wallet contract once. Adding studios afterwards does not usually mean touching wallet code.

Unified reporting

Game, studio and player activity arrive in one format, so reconciliation is one process rather than one per provider.

Catalog growth without new builds

New studios are typically enabled commercially and configured, rather than integrated from scratch by your engineers.

One compliance conversation

Game-level certification and per-market content restrictions are coordinated in one place, though your licence remains your responsibility.

What this does not remove is your licence, your responsibility for which content runs in which market, and your own reconciliation discipline. Our casino game aggregator guide covers the model in more depth, and the slots API guide shows what the day-to-day interfaces look like.

Side-by-side comparison

Qualitative only — the right numbers depend on your team, your markets and your catalog, and anyone quoting universal ones is guessing.

DimensionDirect integrationsSingle aggregation API
ContractsOne agreement per provider, each negotiated and maintained separately.A single agreement covering the catalog available through the aggregator.
Integration effortRepeated per provider — each has its own API shape, sandbox and quirks.One integration; additional studios are configuration rather than new engineering.
WalletMust satisfy each provider's wallet semantics, which differ in detail.One wallet contract implemented once.
CertificationCoordinated provider by provider for each regulated market.Coordinated through one counterparty, market by market.
MaintenanceEvery provider is a live dependency with its own versioning and deprecations.One dependency to track, with studio-level changes absorbed behind it.
ReportingMultiple formats to normalise and reconcile in-house.One reporting surface across studios.
Provider relationshipDirect, which can help with roadmap access, promotions and bespoke terms.Mediated by the aggregator, though key-studio conversations often still happen.
Commercial termsNegotiated one-to-one; can favour operators with significant volume on that studio.Set through the aggregator, with the trade-off of far less repeated negotiation.
SuitsTeams with in-house integration engineers and concentrated provider revenue.Teams prioritising breadth, speed to launch and a small maintenance surface.

Honest trade-offs

In favour of direct. You own the relationship. Roadmap conversations, promotional collaboration and exclusives are easier when there is no intermediary, and an operator with real volume on a studio may be able to negotiate terms one-to-one that a shared arrangement would not produce. You also control your own upgrade timing rather than inheriting someone else's.

Against direct. Every provider is permanent surface area: another API to track, another wallet dialect, another reporting format, another on-call path. That cost scales with providers and with markets simultaneously.

In favour of aggregation. One integration, one wallet contract, one reporting surface, and catalog growth that does not consume engineering time. For most teams this is the difference between shipping a lobby and maintaining integrations.

Against aggregation. There is a layer between you and the studio. Support and commercial requests are mediated, you depend on someone else's availability and release schedule, and the catalog you can offer is bounded by what your aggregator carries. Those are real costs and worth pricing into the decision rather than waving away.

A decision framework

Work through these six questions with your own team before shortlisting vendors. The answers usually point clearly in one direction.

Team size and engineering capacity

Direct integrations are not a one-off project; they are permanent surface area. Ask honestly whether you have engineers who can own that surface alongside your product roadmap.

Time-to-market pressure

If the goal is a credible lobby soon, a single integration gets you breadth in one build. Direct work spreads the same breadth across a queue of parallel negotiations and builds.

Number of markets

Every additional regulated market multiplies certification and content-restriction work per provider. The more markets you run, the more the per-provider overhead compounds.

Revenue concentration

If a single studio drives a large share of play, the case for a direct relationship with that studio strengthens. If revenue is spread thin across many studios, it weakens.

Catalog strategy

Chasing breadth and constant new releases favours aggregation. Building a differentiated lobby around a handful of studios favours going direct with those studios.

Operational appetite

Multiple escalation paths, status pages and reconciliation formats are an operations cost, not just an engineering one. Decide who carries that day to day.

The hybrid model most operators land on

In practice the question is rarely all-or-nothing. A common pattern is one aggregated integration providing breadth, plus direct integrations with the small number of studios that genuinely justify dedicated engineering and a direct commercial relationship. The thing to plan for is reporting: two shapes of data mean a reconciliation process that understands both.

If you are comparing aggregation vendors as part of that decision, the SoftSwiss alternatives and Hub88 alternatives comparisons cover how the main options differ in shape.

Frequently asked questions

What is casino game integration?

Casino game integration is the work of connecting an operator's platform to the systems that produce and serve games: agreeing commercial terms, building against the provider's catalog and session APIs, exposing a wallet the provider can call, passing testing and any market certification required, and then maintaining that connection as the provider changes it.

Is it better to integrate providers directly or through an aggregator?

Neither is universally better. Direct integration puts you in a closer relationship with the studio and can support terms negotiated one-to-one, at the cost of repeating the same engineering and commercial work for every provider. Aggregation replaces that repetition with one contract, one API and one wallet contract, but adds a layer between you and the studio. Many operators run a hybrid: direct where a single provider is strategically important, aggregated for the rest of the catalog.

What does a direct provider integration actually involve?

In practice: commercial negotiation and due diligence, technical integration against that provider's catalog, launch and wallet interfaces, an end-to-end test cycle, certification or technical sign-off where the market requires it, and then ongoing work — API versioning, new game onboarding, incident escalation and reconciliation against that provider's reports.

Does using an aggregator mean losing the relationship with the studio?

It changes it rather than removing it. Commercial and support conversations usually route through the aggregator, which is what makes the model efficient, but operators of meaningful size frequently still speak to key studios directly about roadmap, exclusives and promotions. It is a fair question to ask any aggregator how studio-level requests are handled.

Can an operator combine both approaches?

Yes, and it is common. A hybrid keeps direct integrations for the small number of providers where the relationship or the commercial terms justify dedicated engineering, and uses one aggregated integration for breadth. The main thing to plan for is reconciliation and reporting across two shapes of data.

What should drive the decision?

Engineering capacity, time-to-market pressure, how many markets you operate in, and how concentrated your revenue is across providers. A small team launching in one market usually gets more value from breadth through a single integration; a large operator with in-house integration engineers and a concentrated catalog can justify direct work.

IPlayGames is one aggregation option among several, and the right answer depends entirely on your team and markets. If you want to see the interfaces before deciding, the iGaming API developer hub is public, or talk to our team about how your catalog and markets look.

Try it in the sandbox

Full documentation and SDKs — sandbox credentials are configured for your integration after a short setup call.