Each API endpoint requires a certain number of credits to execute. Below is a comprehensive list of endpoints and their credit costs:

Skandha Endpoints

Standard Operations (1 Credit)

EndpointCredits
eth_chainId1
eth_supportedEntryPoints1
web3_sha31
net_version1
net_listening1
net_peerCount1
eth_protocolVersion1
eth_gasPrice1
eth_blockNumber1
eth_getBalance1
eth_getStorageAt1
eth_getTransactionCount1
eth_getBlockTransactionCountByHash1
eth_getBlockTransactionCountByNumber1
eth_getUncleCountByBlockHash1
eth_getUncleCountByBlockNumber1
eth_sign1
eth_getBlockByHash1
eth_getBlockByNumber1
eth_getTransactionByBlockHashAndIndex1
eth_getTransactionByBlockNumberAndIndex1
eth_getUncleByBlockHashAndIndex1
eth_getUncleByBlockNumberAndIndex1
eth_newFilter1
eth_newBlockFilter1
eth_maxPriorityFeePerGas1
web3_clientVersion1

Medium Complexity Operations (2-3 Credits)

EndpointCredits
skandha_config2
eth_getUserOperationByHash3
eth_getCode3
eth_call3
eth_estimateGas3
eth_newPendingTransactionFilter3
eth_uninstallFilter3
eth_getFilterChanges3
eth_getFilterLogs3
eth_getLogs3
eth_feeHistory3
eth_getUserOperationReceipt3

Complex Operations (5 Credits)

EndpointCredits
eth_getUserOpHistory5
eth_getTransactionByHash5
eth_getTransactionReceipt5
eth_sendRawTransaction5
eth_sendUserOperation5
eth_estimateUserOperationGas5

Arka Endpoints

Free Operations (0 Credits)

EndpointCredits
/checkWhitelist/v20
/whitelist/v20
/removeWhitelist/v20

Standard Operations (1-2 Credits)

EndpointCredits
/checkWhitelist1
/whitelist1
/removeWhitelist1
/deposit1
/deposit/v21
/getAllWhitelist/v22
/metadata2

Complex Operations (5 Credits)

EndpointCredits
pm_getERC20TokenQuotes5
pm_getPaymasterData5
pm_getPaymasterStubData5
pm_sponsorUserOperation5

Data Utils Endpoints

Standard Operations (100 Credits)

EndpointCredits
/rates/exchangeRates100
/exchange/getAdvanceRoutesLiFi100
/exchange/getStepTransactions100
/assets/exchangeSupportedAssets100
/assets/tokenLists100
/assets/tokenListTokens100
/exchange/connext/quoteTransactions100
/exchange/connext/supportedAssets100
/exchange/connext/transactionStatus100

Medium Complexity Operations (200-300 Credits)

EndpointCredits
/transactions/transactionByHash200
/exchange/offers300

High Complexity Operations (500 Credits)

EndpointCredits
/account/nfts500
/account/balances500
/transactions500