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Native mobile
- Android
- iOS
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Core Concepts
API Reference
- Purchase webhooks
- Track purchase endpoint
SDK Reference
- android
  - Android SDK
  - id-frak-sdk
    id.frak.sdk
    AppLinkApi
    AppLinkApi
    handleReferral
    handleReferralAsync
    installPageUrl
    installPageUrlAsync
    isFrakAppInstalled
    openFrakApp
    openFrakAppAsync
    ConfigApi
    ConfigApi
    resolve
    resolveAsync
    Frak
    Frak
    client
    clientOrNull
    initialize
    isInitialized
    parseReferralLink
    shutdown
    shutdownAsync
    FrakClient
    FrakClient
    anonymousId
    anonymousIdAsync
    appLink
    config
    environment
    isTrackingEnabled
    isTrackingEnabledAsync
    metadataLang
    metadataName
    resetAnonymousId
    resetAnonymousIdAsync
    rewards
    setTrackingEnabled
    setTrackingEnabledAsync
    sharing
    tracking
    FrakSdkVersion
    FrakSdkVersion
    CURRENT
    HEADER_NAME
    HEADER_VALUE
    QUERY_PARAMETER_NAME
    InternalFrakApi
    InternalFrakApi
    OpenAppResult
    OpenAppResult
    Failed
    Failed
    OpenedApp
    OpenedApp
    OpenedStore
    OpenedStore
    valueOf
    values
    RewardsApi
    RewardsApi
    best
    bestAsync
    campaigns
    campaignsAsync
    SharingApi
    SharingApi
    buildLink
    buildLinkAsync
    TrackingApi
    TrackingApi
    purchase
    purchaseAsync
    track
    trackAsync
  - id-frak-sdk-config
    id.frak.sdk.config
    AttributionDefaults
    AttributionDefaults
    ref
    utmCampaign
    utmMedium
    utmSource
    utmTerm
    via
    BannerConfig
    BannerConfig
    imageUrl
    inappCta
    inappDescription
    inappTitle
    referralCta
    referralDescription
    referralTitle
    ButtonShareConfig
    ButtonShareConfig
    clickAction
    noRewardText
    text
    ButtonWalletConfig
    ButtonWalletConfig
    position
    FrakResolvedConfig
    FrakResolvedConfig
    currency
    displayLogoUrl
    displayName
    domain
    hidden
    lang
    merchantId
    name
    sdkConfig
    OpenInAppConfig
    OpenInAppConfig
    text
    PostPurchaseConfig
    PostPurchaseConfig
    badgeText
    ctaNoRewardText
    ctaText
    imageUrl
    refereeNoRewardText
    refereeText
    referrerNoRewardText
    referrerText
    ResolvedComponents
    ResolvedComponents
    banner
    buttonShare
    buttonWallet
    openInApp
    postPurchase
    ResolvedPlacement
    ResolvedPlacement
    components
    targetInteraction
    translations
    ResolvedSdkConfig
    ResolvedSdkConfig
    attribution
    components
    currency
    hidden
    homepageLink
    lang
    logoUrl
    name
    placements
    translations
  - id-frak-sdk-core
    id.frak.sdk.core
    DeepLinkHandling
    DeepLinkHandling
    Automatic
    Automatic
    Disabled
    Disabled
    Manual
    Manual
    valueOf
    values
    FrakConfig
    FrakConfig
    Builder
    Builder
    build
    Builder
    deepLink
    env
    logLevel
    logSink
    merchantId
    metadata
    packageId
    trackingEnabled
    deepLink
    env
    logLevel
    logSink
    merchantId
    metadata
    packageId
    trackingEnabled
    FrakConfig()
    FrakCurrency
    FrakCurrency
    EUR
    EUR
    GBP
    GBP
    USD
    USD
    valueOf
    values
    wireValue
    FrakEnvironment
    FrakEnvironment
    backend
    Custom
    Custom
    backend
    Custom
    wallet
    walletPackageId
    walletScheme
    Development
    Development
    backend
    wallet
    Production
    Production
    backend
    wallet
    walletPackageId
    walletScheme
    wallet
    walletPackageId
    walletScheme
    FrakError
    FrakError
    AlreadyPresenting
    AlreadyPresenting
    AlreadyPresenting
    BackingOff
    BackingOff
    BackingOff
    retryAfterSeconds
    Decoding
    Decoding
    Decoding
    InternalFailure
    InternalFailure
    InternalFailure
    Kind
    Kind
    ALREADY_PRESENTING
    ALREADY_PRESENTING
    BACKING_OFF
    BACKING_OFF
    DECODING
    DECODING
    INTERNAL_FAILURE
    INTERNAL_FAILURE
    MERCHANT_RESOLUTION_FAILED
    MERCHANT_RESOLUTION_FAILED
    NETWORK
    NETWORK
    NOT_INITIALIZED
    NOT_INITIALIZED
    SERVER
    SERVER
    TRACKING_DISABLED
    TRACKING_DISABLED
    valueOf
    values
    wireValue
    kind
    MerchantResolutionFailed
    MerchantResolutionFailed
    MerchantResolutionFailed
    Network
    Network
    Network
    NotInitialized
    NotInitialized
    NotInitialized
    Server
    Server
    code
    retryAfterSeconds
    Server
    status
    TrackingDisabled
    TrackingDisabled
    TrackingDisabled
    FrakLanguage
    FrakLanguage
    EN
    EN
    FR
    FR
    valueOf
    values
    wireValue
    FrakLogLevel
    FrakLogLevel
    DEBUG
    DEBUG
    ERROR
    ERROR
    INFO
    INFO
    NONE
    NONE
    valueOf
    values
    WARN
    WARN
    FrakLogSink
    FrakLogSink
    log
    FrakMetadata
    FrakMetadata
    Builder
    Builder
    build
    Builder
    currency
    homepageLink
    lang
    logoUrl
    name
    currency
    homepageLink
    lang
    logoUrl
    name
    FrakMetadata()
    FrakResult
    FrakResult
    Failure
    Failure
    error
    Failure
    Success
    Success
    Success
    value
    ProductDetails
    ProductDetails
    Builder
    Builder
    build
    Builder
    name
    productId
    quantity
    sku
    totalPrice
    unitPrice
    name
    productId
    quantity
    sku
    totalPrice
    unitPrice
    ProductDetails()
  - id-frak-sdk-net
    id.frak.sdk.net
    PercentEncoding
    PercentEncoding
    encode
  - id-frak-sdk-rewards
    id.frak.sdk.rewards
    BestReward
    BestReward
    BestReward
    formatted
    isProductScoped
    lockupDurationDays
    matchedProducts
    minPurchaseAmount
    minPurchaseValue
    payoutType
    Campaign
    Campaign
    Campaign
    campaignId
    defaultLockupSeconds
    expiresAt
    interactionTypeKey
    maxRewardsPerUser
    name
    referee
    referrer
    EstimatedReward
    EstimatedReward
    Fixed
    Fixed
    amount
    Fixed
    Percentage
    Percentage
    maxAmount
    minAmount
    percent
    Percentage
    percentOf
    Tiered
    Tiered
    Tiered
    tierField
    tiers
    Unknown
    Unknown
    payoutType
    Unknown
    RewardAudience
    RewardAudience
    REFEREE
    REFEREE
    REFERRER
    REFERRER
    valueOf
    values
    wireValue
    RewardRequest
    RewardRequest
    audience
    Builder
    Builder
    addProduct
    audience
    build
    Builder
    products
    targetInteraction
    products
    targetInteraction
    RewardRequest()
    RewardTier
    RewardTier
    Amount
    Amount
    Amount
    amount
    maxValue
    minValue
    maxValue
    minValue
    Percentage
    Percentage
    maxValue
    minValue
    percent
    Percentage
    Unknown
    Unknown
    maxValue
    minValue
    Unknown
    TokenAmount
    TokenAmount
    amount
    eurAmount
    gbpAmount
    TokenAmount
    usdAmount
  - id-frak-sdk-sharing
    id.frak.sdk.sharing
    AttributionParams
    AttributionParams
    Builder
    Builder
    build
    Builder
    ref
    utmCampaign
    utmContent
    utmMedium
    utmSource
    utmTerm
    via
    ref
    utmCampaign
    utmContent
    utmMedium
    utmSource
    utmTerm
    via
    AttributionParams()
    FrakContext
    FrakContext
    V1
    V1
    wallet
    V2
    V2
    clientId
    merchantId
    timestamp
    wallet
    SharingProduct
    SharingProduct
    Builder
    Builder
    build
    Builder
    details
    imageUrl
    utmContent
    details
    imageUrl
    link
    title
    utmContent
    SharingProduct()
    SharingRequest
    SharingRequest
    attribution
    Builder
    Builder
    addProduct
    attribution
    build
    Builder
    link
    logoUrl
    placement
    products
    shareImageUrl
    shareText
    shareTitle
    targetInteraction
    link
    logoUrl
    placement
    products
    shareImageUrl
    shareText
    shareTitle
    targetInteraction
    SharingRequest()
  - id-frak-sdk-tracking
    id.frak.sdk.tracking
    Interaction
    Interaction
    Companion
    Companion
    arrival
    custom
    sharing
  - id-frak-sdk-ui
    id.frak.sdk.ui
    FrakSharing
    FrakSharing
    Builder
    Builder
    build
    Builder
    heightFraction
    language
    present
    ResultCallback
    ResultCallback
    onResult
    warm
    FrakSharingDefaults
    FrakSharingDefaults
    HEIGHT_FRACTION
    SharingResult
    SharingResult
    Copied
    Copied
    Copied
    kind
    link
    Dismissed
    Dismissed
    kind
    Failed
    Failed
    error
    Failed
    kind
    InstallStarted
    InstallStarted
    kind
    Kind
    Kind
    COPIED
    COPIED
    DISMISSED
    DISMISSED
    FAILED
    FAILED
    INSTALL_STARTED
    INSTALL_STARTED
    SHARED
    SHARED
    valueOf
    values
    WALLET_OPENED
    WALLET_OPENED
    wireValue
    kind
    Shared
    Shared
    kind
    link
    Shared
    WalletOpened
    WalletOpened
    kind
- components
  - functions
    Banner
    ButtonShare
    ButtonWallet
    OpenInAppButton
    PostPurchase
  - interfaces
    BannerElement
    ButtonShareElement
    ButtonWalletElement
    OpenInAppButtonElement
    PostPurchaseElement
  - type-aliases
    BannerProps
    ButtonShareProps
    ButtonWalletProps
    OpenInAppButtonProps
    PostPurchaseProps
- core-sdk
  - actions
    functions
    displayModal
    displaySharingPage
    ensureIdentity
    getMerchantInformation
    getMergeToken
    getUserReferralStatus
    modalBuilder
    openSso
    prepareSso
    prepareSsoUrl
    processReferral
    referralInteraction
    sendInteraction
    sendTransaction
    setupReferral
    siweAuthenticate
    trackPurchaseStatus
    watchWalletStatus
    type-aliases
    ModalBuilder
    ModalStepBuilder
    ProcessReferralOptions
    SendTransactionParams
    SiweAuthenticateModalParams
    variables
    REFERRAL_SUCCESS_EVENT
  - index
    functions
    areAddressesEqual
    base64urlDecode
    base64urlEncode
    buildListenerUrl
    clearAllCache
    coerceProductCandidates
    createIFrameFrakClient
    decodeProductsParam
    deleteQueryParamCaseInsensitive
    detectPageLanguage
    findIframeInOpener
    formatAmount
    formatAmountParts
    generateSsoUrl
    getBackendUrl
    getClientId
    getClientIdAsync
    getCurrencyAmountKey
    getEnvironment
    getQueryParamCaseInsensitive
    getSupportedCurrency
    isMobile
    mergeAttribution
    normalizeProductDetails
    normalizeSharingProduct
    redirectToExternalBrowser
    sanitizeProductDetailsList
    sanitizeSharingProducts
    setEnvironment
    setupClient
    trackEvent
    triggerDeepLinkWithFallback
    withCache
    type-aliases
    AppSpecificSsoMetadata
    AttributionDefaults
    AttributionParams
    CompressedSsoData
    ConditionGroup
    ConditionOperator
    Currency
    DeepLinkFallbackOptions
    DisplayModalParamsType
    DisplaySharingPageParamsType
    DisplaySharingPageResultType
    EstimatedReward
    FinalActionType
    FinalModalStepType
    FrakClient
    FrakEnvironment
    FrakLifecycleEvent
    FrakWalletSdkConfig
    FullSsoParams
    GetMerchantInformationReturnType
    I18nConfig
    IFrameRpcSchema
    IFrameTransport
    InteractionTypeKey
    Language
    ListenerPreloadOption
    LocalizedI18nConfig
    LoginModalStepType
    MerchantConfigResponse
    MerchantReward
    MergeAttributionInput
    ModalRpcMetadata
    ModalRpcStepsInput
    ModalRpcStepsResultType
    ModalStepMetadata
    ModalStepTypes
    OpenSsoArgsType
    OpenSsoParamsType
    OpenSsoReturnType
    OpenSsoUrlParamsType
    PrepareSsoParamsType
    PrepareSsoReturnType
    ProductDetails
    ResolvedEnvironment
    ResolvedPlacement
    ResolvedSdkConfig
    RewardTier
    RuleCondition
    RuleConditions
    RuleField
    SdkEventMap
    SdkHandshakeFailureReason
    SdkResolvedConfig
    SendInteractionParamsType
    SendTransactionModalStepType
    SendTransactionReturnType
    SendTransactionTxType
    SharingPageProduct
    SiweAuthenticateModalStepType
    SiweAuthenticateReturnType
    SiweAuthenticationParams
    SsoMetadata
    TokenAmountType
    TrackArrivalParams
    TrackArrivalResult
    UserReferralStatusType
    UtmParams
    WalletStatusReturnType
    variables
    DEEP_LINK_SCHEME
    FrakContextManager
    isInAppBrowser
    isIOS
    sdkConfigStore
    ssoPopupFeatures
    ssoPopupName
- ios
  - iOS SDK
  - FrakSDK
    FrakSDK
    AppLinkAPI
    AppLinkAPI
    AttributionDefaults
    AttributionDefaults
    AttributionParams
    AttributionParams
    BannerConfig
    BannerConfig
    BestReward
    BestReward
    ButtonShareConfig
    ButtonShareConfig
    ButtonWalletConfig
    ButtonWalletConfig
    Campaign
    Campaign
    ConfigAPI
    ConfigAPI
    DeepLinkHandling
    DeepLinkHandling
    EstimatedReward
    EstimatedReward
    Frak
    Frak
    FrakClient
    FrakClient
    FrakConfig
    FrakConfig
    FrakContext
    FrakContext
    V2
    FrakContext.V2
    FrakCurrency
    FrakCurrency
    FrakEnvironment
    FrakEnvironment
    FrakError
    FrakError
    Kind
    FrakError.Kind
    FrakLanguage
    FrakLanguage
    FrakLogLevel
    FrakLogLevel
    FrakLogSink
    FrakLogSink
    FrakMetadata
    FrakMetadata
    FrakResolvedConfig
    FrakResolvedConfig
    Interaction
    Interaction
    OpenAppResult
    OpenAppResult
    OpenInAppConfig
    OpenInAppConfig
    PercentEncoding
    PercentEncoding
    PostPurchaseConfig
    PostPurchaseConfig
    ProductDetails
    ProductDetails
    ResolvedComponents
    ResolvedComponents
    ResolvedPlacement
    ResolvedPlacement
    ResolvedSdkConfig
    ResolvedSdkConfig
    RewardAudience
    RewardAudience
    RewardRequest
    RewardRequest
    RewardsAPI
    RewardsAPI
    RewardTier
    RewardTier
    SharingAPI
    SharingAPI
    SharingProduct
    SharingProduct
    SharingRequest
    SharingRequest
    TokenAmount
    TokenAmount
    TrackingAPI
    TrackingAPI
  - FrakSDKUI
    FrakSDKUI
    FrakInstallPresentation
    FrakInstallPresentation
    Overlay
    FrakInstallPresentation.Overlay
    Position
    FrakInstallPresentation.Overlay.Position
    FrakSharing
    FrakSharing
    FrakSharingConfiguration
    FrakSharingConfiguration
    FrakSharingDefaults
    FrakSharingDefaults
    SharingResult
    SharingResult
    Kind
    SharingResult.Kind
    View
    extension View
- react-sdk
  - functions
    FrakConfigProvider
    FrakIFrameClientProvider
    useDisplayModal
    useDisplaySharingPage
    useFrakClient
    useFrakConfig
    useGetMerchantInformation
    useGetMergeToken
    useGetUserReferralStatus
    useOpenSso
    usePrepareSso
    usePrepareSsoUrl
    useReferralInteraction
    useSendTransactionAction
    useSetupReferral
    useSiweAuthenticate
    useWalletStatus
  - type-aliases
    FrakConfigProviderProps
    FrakIFrameClientProps
- Documentation
Under the hood

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lang

fun lang(lang: FrakLanguage?): FrakMetadata.Builder

var lang: FrakLanguage?

Last updated: Aug 13, 2026