> For the complete documentation index, see [llms.txt](https://docs.nulink.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nulink.org/products/dapp_builders/sdk_api/modules.md).

# API Reference

[NuLink SDK - v0.5.31](/products/dapp_builders/sdk_api.md) / Modules

## NuLink SDK - v0.5.31

### Table of contents

#### Enumerations

* [DataType](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/enums/DataType.md)
* [DataCategory](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/enums/DataCategory.md)

#### Classes

* [Strategy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/classes/Strategy.md)
* [Account](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/classes/Account.md)
* [AccountManager](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/classes/AccountManager.md)
* [NuLinkHDWallet](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/classes/NuLinkHDWallet.md)

#### Type Aliases

* [DataInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/types/DataInfo.md)
* [GasInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/types/GasInfo.md)

#### Data Apply Details Functions

* [getApplyDetails](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getApplyDetails.md)
* [getMultiApplyDetails](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getMultiApplyDetails.md)

#### Data Publisher(Alice) Approval Functions

* [getPolicyServerFee](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicyServerFee.md)
* [getPolicyGasFee](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicyGasFee.md)
* [ApprovalUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/ApprovalUseData.md)
* [getPolicyTokenCost](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicyTokenCost.md)
* [estimatePolicyGas](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/estimatePolicyGas.md)
* [approvalApplicationForUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/approvalApplicationForUseData.md)
* [refusalApplicationForUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/refusalApplicationForUseData.md)

#### Data Publisher(Alice) Approval (Multi) Functions

* [getPolicysServerFee](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicysServerFee.md)
* [getPolicysGasFee](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicysGasFee.md)
* [ApprovalMultiUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/ApprovalMultiUseData.md)
* [getPolicysTokenCost](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicysTokenCost.md)
* [estimatePolicysGas](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/estimatePolicysGas.md)
* [approvalApplicationsForUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/approvalApplicationsForUseData.md)
* [refusalApplicationsForUseData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/refusalApplicationsForUseData.md)

#### Data Publisher(Alice) Approval Details Functions

* [getDataForApprovedAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataForApprovedAsPublisher.md)
* [getDataForAllStatusAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataForAllStatusAsPublisher.md)
* [getDataByStatusForAllApplyAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByStatusForAllApplyAsPublisher.md)
* [getDataAllStatusAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataAllStatusAsPublisher.md)
* [getDataByApplyStatusAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByApplyStatusAsPublisher.md)
* [getDataPendingApprovalAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataPendingApprovalAsPublisher.md)
* [getApprovedDataAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getApprovedDataAsPublisher.md)
* [getDataForRefusedAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataForRefusedAsPublisher.md)
* [getDataByStatus](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByStatus.md)

#### Data Publisher(Alice) Data Details Functions

* [checkDataApprovalStatusIsUnderReviewOrApproved](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkDataApprovalStatusIsUnderReviewOrApproved.md)
* [getDataInfoByStatus](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfoByStatus.md)
* [getUploadedData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getUploadedData.md)
* [getDataInfosByAccount](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfosByAccount.md)
* [deleteUploadedData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/deleteUploadedData.md)
* [checkDataApprovalStatusIsApprovedOrApproving](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkDataApprovalStatusIsApprovedOrApproving.md)
* [checkMultiDataApprovalStatusIsApprovedOrApproving](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkMultiDataApprovalStatusIsApprovedOrApproving.md)
* [getDataInfosByPolicyId](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfosByPolicyId.md)
* [getDataDetails](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataDetails.md)

#### Data Publisher(Alice) Download Data Functions

* [getDataContentAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataContentAsPublisher.md)
* [getDataContentByDataIdAsPublisher](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataContentByDataIdAsPublisher.md)

#### Data Publisher(Alice) Policys Functions

* [getPublishedPolicyInfos](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPublishedPolicyInfos.md)
* [getDataInfoOfPolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfoOfPolicy.md)
* [getAllDataInfoOfPolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getAllDataInfoOfPolicy.md)
* [getPublishedPoliciesInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPublishedPoliciesInfo.md)
* [getPoliciesInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPoliciesInfo.md)

#### Data Publisher(Alice) Upload Data Functions

* [uploadDataByCreatePolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/uploadDataByCreatePolicy.md)
* [uploadDataBySelectPolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/uploadDataBySelectPolicy.md)

#### Data User(Bob) Approval Details Functions

* [getDataAllStatusAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataAllStatusAsUser.md)
* [getDataByApplyStatusAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByApplyStatusAsUser.md)
* [getDataPendingApprovalAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataPendingApprovalAsUser.md)
* [getApprovedDataAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getApprovedDataAsUser.md)
* [getUnapprovedDataAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getUnapprovedDataAsUser.md)
* [getDataByStatus](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByStatus.md)

#### Data User(Bob) Data Details Functions

* [checkDataApprovalStatusIsUnderReviewOrApproved](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkDataApprovalStatusIsUnderReviewOrApproved.md)
* [getDataApprovedForApplicantAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataApprovedForApplicantAsUser.md)
* [getDataByStatusForAllApplyAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataByStatusForAllApplyAsUser.md)
* [getDataInfoByStatus](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfoByStatus.md)
* [getOtherShareData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getOtherShareData.md)
* [checkDataApprovalStatusIsApprovedOrApproving](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkDataApprovalStatusIsApprovedOrApproving.md)
* [checkMultiDataApprovalStatusIsApprovedOrApproving](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/checkMultiDataApprovalStatusIsApprovedOrApproving.md)
* [getDataDetails](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataDetails.md)

#### Data User(Bob) Download Data Functions

* [getDataForApprovedAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataForApprovedAsUser.md)
* [getApprovedFileContentUrl](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getApprovedFileContentUrl.md)
* [getApprovedDataContent](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getApprovedDataContent.md)
* [getDataContentAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataContentAsUser.md)
* [getDataContentByDataIdAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataContentByDataIdAsUser.md)

#### Data User(Bob) Policys Functions

* [getPolicyInfosAsUser](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPolicyInfosAsUser.md)
* [getDataInfoOfPolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDataInfoOfPolicy.md)
* [getAllDataInfoOfPolicy](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getAllDataInfoOfPolicy.md)
* [getInUsePoliciesInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getInUsePoliciesInfo.md)
* [getPoliciesInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getPoliciesInfo.md)

#### Data User(Bob) Request Data Functions

* [applyForDataUsagesPermission](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/applyForDataUsagesPermission.md)
* [applyForDataUsagePermission](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/applyForDataUsagePermission.md)
* [revokePermissionApplicationOfData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/revokePermissionApplicationOfData.md)

#### Send Raw Transaction Functions

* [sendCustomTransaction](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/sendCustomTransaction.md)
* [estimateCustomTransactionGas](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/estimateCustomTransactionGas.md)

#### Wallet Account Functions

* [getLoginedUserInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getLoginedUserInfo.md)
* [isUserLogined](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/isUserLogined.md)
* [getUserDetails](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getUserDetails.md)
* [getUserByAccountId](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getUserByAccountId.md)
* [updateUserInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/updateUserInfo.md)
* [restoreWalletDataByRootExtendedPrivateKey](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/restoreWalletDataByRootExtendedPrivateKey.md)
* [restoreWalletDataByMnemonic](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/restoreWalletDataByMnemonic.md)
* [restoreWalletData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/restoreWalletData.md)
* [exportWalletData](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/exportWalletData.md)
* [createWallet](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/createWallet.md)
* [loadWallet](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/loadWallet.md)
* [verifyPassword](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/verifyPassword.md)
* [existDefaultAccount](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/existDefaultAccount.md)
* [logoutWallet](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/logoutWallet.md)
* [getWalletDefaultAccount](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getWalletDefaultAccount.md)
* [unlockWallet](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/unlockWallet.md)
* [getMnemonic](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getMnemonic.md)
* [getDefaultAccountPrivateKey](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getDefaultAccountPrivateKey.md)
* [createAccountIfNotExist](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/createAccountIfNotExist.md)
* [IsExistAccount](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/IsExistAccount.md)
* [createAccount](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/createAccount.md)
* [getAccountInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getAccountInfo.md)
* [getAccountInfos](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/getAccountInfos.md)
* [updateAccountInfo](https://github.com/NuLink-network/docs/blob/main/product/builder/sdk_api/functions/updateAccountInfo.md)


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