JUMP TOPublic APIsAuth TokenRequest a Tenant Scoped Bearer TokenpostGet an Account Owner Scoped Bearer TokenpostAccount OwnersCreate a TaxBit Account OwnerpostGet an Existing TaxBit Account Owner by External IDgetGet an Existing TaxBit Account OwnergetUpdate an Existing TaxBit Account OwnerputUsersCreate TaxBit UserpostGet Existing TaxBit UsergetUpdate Existing TaxBit UserputGet Existing TaxBit User by External IDgetTransactionsGet Transactions From TaxBitgetSend a Transaction to TaxBitpostDelete a TransactiondeleteGet a TransactiongetGet Transaction Cost BasesgetDocumentsCreate DocumentpostList DocumentsgetGet DocumentgetGet Released Tax DocumentsgetForm ItemsGet a Form ItemgetUpsert a Form ItemputDelete a Form ItemdeleteUpsert a Collection of Form ItemspostGet all Form ItemsgetForm Item Aggregates by Document TypegetGainsGet Short, Long, and Total GainsgetBreakdown of Combined Cost Bases, Proceeds and Gains/LossesgetGet the User's Total Gains For a PeriodgetInventoryInventory Summary by AssetgetInventory Lots and Summary for a Single AssetgetInventory Summary per AssetgetTax DocumentationSubmit Tax Documentation DatapostRetrieve Latest Tax Documentation DatagetRetrieve Tax Documentation Data by IDgetRetrieve Tax Documentation SummarygetRetrieve Tax Documentation StatusgetGenerate Tax Documentation DocumentpostRetrieve Tax Documentation Document by IDgetPayersGet All Payers From TaxBitgetReconGet Recon Transaction by IDgetGet TDM Recon TransactionsgetAppendixTransaction Data ModelPowered by Get Existing TaxBit User by External IDget https://api.multi1.enterprise.taxbit.com/v1/tenants/{tenant-id}/users/external-id/{external-id}Retrieve a TaxBit user by external-id.