JUMP TO👋 IntroductionAlchemy API OverviewFeature Support By ChainEnhanced APIs OverviewAlchemy SDKAlchemy SDK QuickstartExamples Using the Alchemy SDKSDK Core EndpointscallpostestimateGaspostgetAssetTransferspostgetBalancepostgetBlockpostgetBlockNumberpostgetBlockWithTransactionspostgetCodepostfeeDatapostgetGasPricepostgetLogspostgetStorageAtpostgetTokenBalancespostgetTokenMetadatapostgetTransactionCountpostgetTransactionReceiptpostgetTransactionReceiptspostsendpostSDK NFT EndpointsgetNftsgetgetNftMetadatagetgetContractMetadatagetgetNftsForContractgetgetOwnersForNftgetgetOwnersForContractgetgetSpamContractsgetisSpamContractgetrefreshContractgetgetFloorPricegetSDK Transact EndpointsgetTransactionpostsendTransactionpostsendPrivateTransactionpostcancelPrivateTransactionpostwaitForTransactionpostSDK WebSockets Endpoints📚 ResourcesError ReferenceCompute UnitsThroughputBatch RequestsGas Limits for eth_call and eth_estimateGasAlchemyWeb3.js Quickstart🎨 NFT APINFT API QuickStartNFT API EndpointsgetNFTsgetgetNFTMetadatagetgetContractMetadatagetgetNFTsForCollectiongetgetOwnersForTokengetgetOwnersForCollectiongetgetSpamContractsgetisSpamContractgetreingestContractgetgetFloorPricegetcomputeRaritygetsearchContractMetadatagetsummarizeNFTAttributesgetisHolderOfCollectiongetgetNFTSalesgetgetContractsForOwnergetreportSpamContractgetNFT API FAQ💰 Transact APITransact API QuickStartReinforced and Accelerated TransactionsPrivate Transactionseth_sendPrivateTransactionposteth_cancelPrivateTransactionpost💸 Transfers API (Tx History)Transfers API QuickstartTransfers API Endpointsalchemy_getAssetTransferspost🧾 Transaction Receipts APITransaction Receipts Endpointsalchemy_getTransactionReceiptspost🪙 Token APIToken API QuickstartToken API Endpointsalchemy_getTokenBalancespostalchemy_getTokenAllowancepostalchemy_getTokenMetadatapost🔔 Notify APINotify API QuickstartNotify API EndpointsGet all webhooksgetGet all addresses for an Address Activity webhookgetCreate webhookpostAdd and remove webhook addressespatchReplace webhook addressesputUpdate webhook statusputUpdate webhook NFT filterspatchGet all webhook NFT filtersgetDelete Webhookdelete🔎 Trace APITrace API QuickstartTrace API Endpointstrace_replayBlockTransactionsposttrace_blockposttrace_callposttrace_getposttrace_rawTransactionposttrace_replayTransactionposttrace_transactionposttrace_filterpost🪲 Debug APIsDebug API Endpointsdebug_traceCallpostdebug_traceTransactionpostdebug_traceBlockByNumberpostdebug_traceBlockByHashpost🔊 WebsocketsSubscription API QuickstartBest Practices for Using WebSockets in Web3💎 EthereumEthereum API FAQEthereum Developer Guide to the MergeEvent Logseth_getLogsposteth_newFilterposteth_newPendingTransactionFilterposteth_newBlockFilterposteth_getFilterChangesposteth_getFilterLogsposteth_uninstallFilterpostGas Estimationeth_estimateGasposteth_gasPriceposteth_feeHistoryposteth_maxPriorityFeePerGaspostWriting Transactions & EVM Executioneth_callposteth_sendRawTransactionpostReading Transactionseth_getTransactionByBlockHashAndIndexposteth_getTransactionCountposteth_getTransactionByHashposteth_getTransactionReceiptposteth_getTransactionByBlockNumberAndIndexpostGetting Blockseth_getBlockReceiptsposteth_getBlockTransactionCountByNumberposteth_getBlockByNumberposteth_blockNumberposteth_getBlockTransactionCountByHashpostUncle Blockseth_getUncleByBlockNumberAndIndexposteth_getUncleByBlockHashAndIndexposteth_getUncleCountByBlockHashposteth_getUncleCountByBlockNumberpostChain Informationeth_protocolVersionposteth_chainIdpostnet_listeningpostnet_versionpostweb3_clientVersionpostweb3_sha3postAccount Informationeth_getCodeposteth_getBalanceposteth_accountsposteth_getStorageAtposteth_getProofpostWebSocketseth_subscribeeth_unsubscribe💜 PolygonPolygon API FAQEvent Logseth_getLogsposteth_newFilterposteth_newBlockFilterposteth_newPendingTransactionFilterposteth_getFilterChangesposteth_getFilterLogsposteth_uninstallFilterpostGas Estimationeth_gasPriceposteth_estimateGaspostWriting Transactions & EVM Executioneth_callposteth_sendRawTransactionpostReading Transactionseth_getTransactionByBlockHashAndIndexposteth_getTransactionByBlockNumberAndIndexposteth_getTransactionByHashposteth_getTransactionCountposteth_getTransactionReceiptposteth_getTransactionReceiptsByBlockpostGetting Blockseth_blockNumberposteth_getBlockByNumberposteth_getBlockByHashposteth_getBlockTransactionCountByHashposteth_getBlockTransactionCountByNumberpostUncle Blockseth_getUncleByBlockHashAndIndexposteth_getUncleByBlockNumberAndIndexposteth_getUncleCountByBlockHashposteth_getUncleCountByBlockNumberpostAccount Informationeth_accountsposteth_getBalanceposteth_getCodeposteth_getStorageAtposteth_getProofpostChain Informationeth_chainIdposteth_getSignersAtHashposteth_getRootHashpostweb3_sha3postweb3_clientVersionpostnet_versionpostnet_listeningpostbor_getAuthorpostbor_getCurrentProposerpostbor_getRootHashpostbor_getCurrentValidatorspostWebsocketseth_subscribeeth_unsubscribe🪐 ArbitrumArbitrum API FAQEvent Logseth_getLogsposteth_newFilterposteth_newBlockFilterposteth_newPendingTransactionFilterposteth_getFilterChangesposteth_getFilterLogsposteth_uninstallFilterpostGas Estimationeth_createAccessListposteth_estimateGasposteth_gasPricepostWriting Transactions & EVM Executioneth_callposteth_sendRawTransactionpostReading Transactionseth_getTransactionByBlockHashAndIndexposteth_getTransactionByBlockNumberAndIndexposteth_getTransactionReceiptposteth_getTransactionByHashposteth_getTransactionCountpostGetting Blockseth_blockNumberposteth_getBlockByNumberposteth_getBlockByHashposteth_getBlockTransactionCountByHashposteth_getBlockTransactionCountByNumberpostUncle Blockseth_getUncleByBlockNumberAndIndexposteth_getUncleCountByBlockHashposteth_getUncleCountByBlockNumberposteth_getUncleByBlockHashAndIndexpostAccount Informationeth_accountsposteth_getBalanceposteth_getCodeposteth_getStorageAtpostChain Informationeth_chainIdpostnet_versionpostnet_listeningpostweb3_clientVersionpostweb3_sha3postWebSocketseth_subscribeeth_unsubscribe🔴 OptimismOptimism API FAQEvent Logseth_getLogsposteth_newFilterposteth_newBlockFilterposteth_newPendingTransactionFilterposteth_getFilterLogsposteth_getFilterChangesposteth_uninstallFilterpostGas Estimationeth_estimateGasposteth_gasPricepostWriting Transactions & EVM Executioneth_callposteth_sendRawTransactionpostReading Transactionseth_getTransactionByBlockNumberAndIndexposteth_getTransactionByBlockHashAndIndexposteth_getTransactionCountposteth_getTransactionByHashposteth_getTransactionReceiptpostGetting Blockseth_blockNumberposteth_getBlockByNumberposteth_getBlockByHashposteth_getBlockTransactionCountByNumberposteth_getBlockTransactionCountByHashpostUncle Blockseth_getUncleByBlockHashAndIndexposteth_getUncleByBlockNumberAndIndexposteth_getUncleCountByBlockHashposteth_getUncleCountByBlockNumberpostChain Informationeth_protocolVersionposteth_chainIdpostnet_listeningposteth_syncingpostweb3_sha3postweb3_clientVersionpostnet_versionpostAccount Informationeth_getBalanceposteth_accountsposteth_getProofposteth_getCodeposteth_getStorageAtpostWebSocketseth_subscribeeth_unsubscribe⭐️ AstarAstar API FAQReading Transactionseth_getTransactionReceiptposteth_getTransactionCountposteth_getTransactionByHashposteth_getTransactionByBlockNumberAndIndexposteth_getTransactionByBlockHashAndIndexpostWriting Transactions & EVM Executioneth_callposteth_sendRawTransactionpostGas Estimationeth_maxPriorityFeePerGasposteth_estimateGasposteth_gasPricepostGetting Blockseth_getBlockTransactionCountByHashposteth_getBlockTransactionCountByNumberposteth_blockNumberposteth_getBlockByNumberposteth_getBlockByHashpostAccount Informationeth_getStorageAtposteth_getCodeposteth_accountsposteth_getBalancepostUncle Blockseth_getUncleByBlockNumberAndIndexpostChain Informationnet_versionpostweb3_sha3postweb3_clientVersionposteth_chainIdpostWebSocketseth_subscribeeth_unsubscribe❇️ SolanaSolana API QuickstartReading & Writing TransactionsgetTransactionpostsendTransactionpostgetSignatureStatusespostgetSignaturesForAddresspostsimulateTransactionpostGetting BlocksgetBlockProductionpostgetBlockpostgetBlockTimepostgetBlockHeightpostgetBlockspostgetBlocksWithLimitpostgetBlockCommitmentpostisBlockhashValidpostToken InformationgetTokenAccountsByOwnerpostgetTokenAccountBalancepostgetTokenSupplypostNetwork InformationgetEpochSchedulepostgetEpochInfopostgetFeeForMessagepostgetHighestSnapshotSlotpostgetGenesisHashpostgetRecentPerformanceSamplespostgetFirstAvailableBlockpostgetMinimumBalanceForRentExemptionpostNode InformationgetClusterNodespostgetHealthpostgetVersionpostgetIdentitypostNetwork InflationgetInflationGovernorpostgetInflationRewardpostgetInflationRatepostgetSupplypostAccount InformationgetBalancepostgetLargestAccountspostgetAccountInfopostgetVoteAccountspostgetMultipleAccountspostgetProgramAccountspostSlot InformationminimumLedgerSlotpostgetMaxShredInsertSlotpostgetSlotLeaderpostgetSlotLeaderspostgetSlotpostgetMaxRetransmitSlotpostWebsocketssignatureSubscribesignatureUnsubscribeslotSubscribeslotUnsubscribeslotUpdateSubscribeblockSubscribeblockUnsubscribelogsSubscribelogsUnsubscribe🛡 Unstoppable Domains APIUnstoppable Domains API QuickstartUnstoppable Domains API EndpointsGet records for a domaingetGet records for owner addressesgetGet domain transfer eventsgetgetFloorPriceget https://alchemy-sdk-core-example.com/{apiKey}/getFloorPriceReturns the floor prices of a NFT collection by marketplace.
