# Solutions

- [API Wallet](/rollin.games/solutions/api-wallet.md): Build up your ZERO-entry-barriers wallet system in GameFi as simple as an API call.
- [Blockchain Oracle APIs](/rollin.games/solutions/api-wallet/blockchain-oracle-apis.md): Bridging the centralized gaming system and decentralized blockchain system easily.
- [FIAT APIs](/rollin.games/solutions/api-wallet/fiat-apis.md): Providing feasible in-app purchase service and FIAT gateways by easy-to-integrate APIs.
- [GameFi Lego](/rollin.games/solutions/gamefi-lego.md): Introducing GameFi mechanism to free-to-play games in minutes.
- [Drag-n-Drop GameFi modules](/rollin.games/solutions/gamefi-lego/drag-n-drop-gamefi-modules.md): Quickly and easily assemble GameFi mechanisms in your own way.
- [Game Token Minter](/rollin.games/solutions/gamefi-lego/game-token-minter.md): Complete a precise and practicable token allocation through Game Token Minter.