JUMP TOIntroduction to MassPay REST APIOverviewAuthenticationIdempotent RequestsVersioningStatus CallbacksSwimlanesError codesMassPay APIPayoutInitiate a payout transactionpostGet history of payouts by user tokengetCommit payout transactionputGet status of a payout by payout tokengetGet transaction confirmation detailspatchCatalogGets a list of countries where services offered.getGets a list of Companies and their service offerings for the given country code.getGets a list of Companies and their cheapest service offerings for the given country code.getReturns list of alternative service to a provided servicegetGet user agreementgetGet available user agreementsoptnsLoadResend balance notificationputInitiate a load transactionpostGet history of loads by user tokengetResend load notificationputReverse a user loaddeleteWalletRetrieve all available wallets for a usergetGet all autopay rulesgetAdd autopay rulepostDelete autopay ruledeleteAccountGet current available balancegetGet certified account statementgetUserCreate a userpostGet user by user tokengetUpdated userputLookup an existing usergetTransactions historygetAttributeGet all stored user attributesgetStore user attributespostGet user attributes for destination_tokengetSpend BackGet history of spend backs by user tokengetInitiate a spend back transactionpostCardGet MassPay card informationgetUpdate MassPay card informationputKYCAttributes velocity checkpostGet an Au10tix session linkgetUpload ID photospostGet a Veriff session linkgetTaxGet list of users' annual balancegetGet link for tax interviewgetPowered by SwimlanesLoading User Wallet Methods: Check Available Balance Create User Lookup user Load User