# API Reference - [`algopy`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/) - [Package Contents](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#package-contents) - [Classes](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#classes) - [Functions](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#functions) - [Data](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#data) - [API](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#api) - [`ARC4Contract`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.ARC4Contract) - [`Account`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Account) - [`Application`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Application) - [`Array`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Array) - [`Asset`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Asset) - [`BigUInt`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.BigUInt) - [`Box`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Box) - [`BoxMap`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.BoxMap) - [`BoxRef`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.BoxRef) - [`Bytes`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Bytes) - [`BytesBacked`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.BytesBacked) - [`CompiledContract`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.CompiledContract) - [`CompiledLogicSig`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.CompiledLogicSig) - [`Contract`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Contract) - [`FixedArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.FixedArray) - [`Global`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Global) - [`GlobalState`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.GlobalState) - [`ImmutableArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.ImmutableArray) - [`ImmutableFixedArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.ImmutableFixedArray) - [`LocalState`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.LocalState) - [`LogicSig`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.LogicSig) - [`OnCompleteAction`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.OnCompleteAction) - [`OpUpFeeSource`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.OpUpFeeSource) - [`ReferenceArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.ReferenceArray) - [`StateTotals`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.StateTotals) - [`String`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.String) - [`Struct`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Struct) - [`TemplateVar`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.TemplateVar) - [`TransactionType`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.TransactionType) - [`Txn`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.Txn) - [`UInt64`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.UInt64) - [`compile_contract()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.compile_contract) - [`compile_logicsig()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.compile_logicsig) - [`ensure_budget()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.ensure_budget) - [`log()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.log) - [`logicsig()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.logicsig) - [`size_of()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.size_of) - [`subroutine()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.subroutine) - [`uenumerate`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.uenumerate) - [`urange`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.urange) - [`zero_bytes()`](https://dev.algorand.co/reference/algorand-python/api/api-algopy/#algopy.zero_bytes) - [`algopy.arc4`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/) - [Module Contents](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#module-contents) - [Classes](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#classes) - [Functions](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#functions) - [Data](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#data) - [API](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#api) - [`ARC4Client`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.ARC4Client) - [`ARC4Contract`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.ARC4Contract) - [`Address`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.Address) - [`BigUFixedNxM`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.BigUFixedNxM) - [`BigUIntN`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.BigUIntN) - [`Bool`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.Bool) - [`Byte`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.Byte) - [`DynamicArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.DynamicArray) - [`DynamicBytes`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.DynamicBytes) - [`StaticArray`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.StaticArray) - [`String`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.String) - [`Struct`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.Struct) - [`Tuple`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.Tuple) - [`UFixedNxM`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UFixedNxM) - [`UInt128`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt128) - [`UInt16`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt16) - [`UInt256`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt256) - [`UInt32`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt32) - [`UInt512`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt512) - [`UInt64`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt64) - [`UInt8`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UInt8) - [`UIntN`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.UIntN) - [`abi_call`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.abi_call) - [`abimethod()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.abimethod) - [`arc4_create()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.arc4_create) - [`arc4_signature()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.arc4_signature) - [`arc4_update()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.arc4_update) - [`baremethod()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.baremethod) - [`emit()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyarc4/#algopy.arc4.emit) - [`algopy.gtxn`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/) - [Module Contents](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#module-contents) - [Classes](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#classes) - [API](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#api) - [`ApplicationCallTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.ApplicationCallTransaction) - [`AssetConfigTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.AssetConfigTransaction) - [`AssetFreezeTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.AssetFreezeTransaction) - [`AssetTransferTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.AssetTransferTransaction) - [`KeyRegistrationTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.KeyRegistrationTransaction) - [`PaymentTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.PaymentTransaction) - [`Transaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.Transaction) - [`TransactionBase`](https://dev.algorand.co/reference/algorand-python/api/api-algopygtxn/#algopy.gtxn.TransactionBase) - [`algopy.itxn`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/) - [Module Contents](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#module-contents) - [Classes](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#classes) - [Functions](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#functions) - [API](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#api) - [`ApplicationCall`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.ApplicationCall) - [`ApplicationCallInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.ApplicationCallInnerTransaction) - [`AssetConfig`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetConfig) - [`AssetConfigInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetConfigInnerTransaction) - [`AssetFreeze`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetFreeze) - [`AssetFreezeInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetFreezeInnerTransaction) - [`AssetTransfer`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetTransfer) - [`AssetTransferInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.AssetTransferInnerTransaction) - [`InnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.InnerTransaction) - [`InnerTransactionResult`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.InnerTransactionResult) - [`KeyRegistration`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.KeyRegistration) - [`KeyRegistrationInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.KeyRegistrationInnerTransaction) - [`Payment`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.Payment) - [`PaymentInnerTransaction`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.PaymentInnerTransaction) - [`submit_txns()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyitxn/#algopy.itxn.submit_txns) - [`algopy.op`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/) - [Module Contents](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#module-contents) - [Classes](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#classes) - [Functions](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#functions) - [API](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#api) - [`AcctParamsGet`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AcctParamsGet) - [`AppGlobal`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AppGlobal) - [`AppLocal`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AppLocal) - [`AppParamsGet`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AppParamsGet) - [`AssetHoldingGet`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AssetHoldingGet) - [`AssetParamsGet`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.AssetParamsGet) - [`Base64`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Base64) - [`Block`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Block) - [`Box`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Box) - [`EC`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.EC) - [`ECDSA`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ECDSA) - [`EllipticCurve`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.EllipticCurve) - [`GITxn`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.GITxn) - [`GTxn`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.GTxn) - [`Global`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Global) - [`ITxn`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ITxn) - [`ITxnCreate`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ITxnCreate) - [`JsonRef`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.JsonRef) - [`MiMCConfigurations`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.MiMCConfigurations) - [`Scratch`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Scratch) - [`Txn`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.Txn) - [`VoterParamsGet`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.VoterParamsGet) - [`VrfVerify`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.VrfVerify) - [`addw()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.addw) - [`app_opted_in()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.app_opted_in) - [`arg()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.arg) - [`balance()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.balance) - [`base64_decode()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.base64_decode) - [`bitlen()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.bitlen) - [`bsqrt()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.bsqrt) - [`btoi()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.btoi) - [`bzero()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.bzero) - [`concat()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.concat) - [`divmodw()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.divmodw) - [`divw()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.divw) - [`ecdsa_pk_decompress()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ecdsa_pk_decompress) - [`ecdsa_pk_recover()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ecdsa_pk_recover) - [`ecdsa_verify()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ecdsa_verify) - [`ed25519verify()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ed25519verify) - [`ed25519verify_bare()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.ed25519verify_bare) - [`err()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.err) - [`exit()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.exit) - [`exp()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.exp) - [`expw()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.expw) - [`extract()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.extract) - [`extract_uint16()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.extract_uint16) - [`extract_uint32()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.extract_uint32) - [`extract_uint64()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.extract_uint64) - [`falcon_verify()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.falcon_verify) - [`gaid()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.gaid) - [`getbit()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.getbit) - [`getbyte()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.getbyte) - [`gload_bytes()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.gload_bytes) - [`gload_uint64()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.gload_uint64) - [`itob()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.itob) - [`keccak256()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.keccak256) - [`mimc()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.mimc) - [`min_balance()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.min_balance) - [`mulw()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.mulw) - [`online_stake()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.online_stake) - [`replace()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.replace) - [`select_bytes()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.select_bytes) - [`select_uint64()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.select_uint64) - [`setbit_bytes()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.setbit_bytes) - [`setbit_uint64()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.setbit_uint64) - [`setbyte()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.setbyte) - [`sha256()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.sha256) - [`sha3_256()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.sha3_256) - [`sha512_256()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.sha512_256) - [`shl()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.shl) - [`shr()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.shr) - [`sqrt()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.sqrt) - [`substring()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.substring) - [`sumhash512()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.sumhash512) - [`vrf_verify()`](https://dev.algorand.co/reference/algorand-python/api/api-algopyop/#algopy.op.vrf_verify)