docs

Set up and manage Cartridge paymasters to sponsor transaction fees for gasless user experiences.

Configure Cartridge RPC endpoints with API token authentication and CORS whitelisting.

Integrate Cartridge's verifiable random number generator (vRNG) into onchain games.

Interactively walk teams through creating a Cartridge Controller preset, including origin/AASA setup, session policies, themes, and mainnet vs sepolia configuration.

Integrate Cartridge Controller into React applications using starknet-react. Use when building React/Next.js web apps with Controller, setting up StarknetConfig provider, using hooks like useConnect/useAccount, or implementing wallet connection components. Covers ControllerConnector setup, provider configuration, and transaction execution patterns.

Configure session keys and policies for Cartridge Controller to enable gasless, pre-approved transactions. Use when defining contract interaction policies, setting spending limits, configuring signed message policies, or implementing error handling for session-based transactions. Covers SessionPolicies type, policy definitions, verified sessions, and error display modes.

Integrate Cartridge Controller wallet into Starknet applications. Use when setting up Controller for the first time, installing packages, configuring chains/RPC endpoints, or troubleshooting basic integration issues. Covers installation, Controller instantiation, ControllerConnector vs SessionConnector choice, chain configuration, and package compatibility.

Integrate Cartridge Controller into backend services using Node.js, Rust, or headless mode. Use when building server-side applications, game backends, automated bots, or any non-browser environment that needs to execute Starknet transactions. Covers SessionProvider for Node.js, Rust SDK setup, and headless Controller with custom signing keys.

Integrate Cartridge Controller into native mobile applications (iOS, Android, React Native) and web wrappers (Capacitor). Use when building mobile games or apps that need Controller wallet functionality with local keypair signing. Covers SessionConnector for native auth flows, Controller.c FFI bindings, passkey configuration with Apple App Site Association, and platform-specific setup.

Configure authentication methods for Cartridge Controller including passkeys, social login, and external wallets. Use when implementing user authentication, adding multiple signers for account recovery, customizing signup options, or integrating external wallets like MetaMask or Phantom. Covers WebAuthn passkeys, Google/Discord/Twitter OAuth, wallet connections, and dynamic authentication flows.