# WinWinKit ## Docs - [Claim Code](https://docs.winwinkit.com/api-reference/claim-actions/claim-code.md): Claims a code for a user. Code can be affiliate, promo or referral code. - [Grant a Reward](https://docs.winwinkit.com/api-reference/rewards-actions/grant-a-reward.md): Grants a reward for a user. Note 1: currently only granting of credit rewards is supported. Note 2: this endpoint is only accessible with a secret API key. - [Withdraw Credits](https://docs.winwinkit.com/api-reference/rewards-actions/withdraw-credits.md): Withdraws credits from a user. - [Register App Store Transaction](https://docs.winwinkit.com/api-reference/transactions/app-store.md): Registers the mapping between a user and their Apple originalTransactionId. - [Register Google Play Transaction](https://docs.winwinkit.com/api-reference/transactions/google-play.md): Registers the mapping between a user and their Google Play purchaseToken. - [Create or Update User](https://docs.winwinkit.com/api-reference/users/create-or-update-user.md): Create or update a user if already exists. - [Get User](https://docs.winwinkit.com/api-reference/users/get-user.md): Retrieves a user by their app user id. ## OpenAPI Specs - [openapi-yaml](https://api.winwinkit.com/openapi-yaml)