# Infrastructure APIs - [Ethereum JSON RPC APIs](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis.md) - [eth\_accounts](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_accounts.md): Returns an array of addresses owned by the client. - [eth\_blockNumber](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_blocknumber.md): Returns the latest block number of the block chain - [eth\_call](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_call.md): Executes a new message call immediately without creating a transaction on the block chain. - [eth\_chainId](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_chainid.md): Returns the current network/chain ID, used to sign replay-protected transaction introduced in. The API credit value for this method is 1 - [eth\_estimateGas](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_estimategas.md): Returns an estimation of gas for a given transaction. The API credit value for this method is 35 - [eth\_feeHistory](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_feehistory.md): Returns the collection of historical gas information. The API credit value for this method is 1 - [eth\_gasPrice](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gasprice.md): Returns the current gas price on the network in wei. The API credit value for this method is 100 - [eth\_getBalance](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getbalance.md): Returns the balance of given account address in wei. The API credit value for this method is 90 - [eth\_getBlockByHash](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getblockbyhash.md): Returns information of the block matching the given block hash. The API credit value for this method is 60 - [eth\_getBlockByNumber](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getblockbynumber.md): Returns information of the block matching the given block number. The API credit value for this method is 60 - [eth\_getBlockReceipts](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getblockreceipts.md): Returns all transaction receipts for a given block. The API credit value for this method is 59 - [eth\_getBlockTransactionCountByHash](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getblocktransactioncountbyhash.md): Returns the number of transactions for the block matching the given block hash. The API credit value for this method is 70. - [eth\_getBlockTransactionCountByNumber](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getblocktransactioncountbynumber.md): Returns the number of transactions for the block matching the given block number. The API credit value for this method is 70. - [eth\_getCode](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getcode.md): Returns the compiled bytecode of a smart contract. The API credit value for this method is 90. - [eth\_getFilterChanges](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getfilterchanges.md): Polling method for a filter, which returns an array of events that have occurred since the last poll. The API credit value for this method is 80. - [eth\_getFilterLogs](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getfilterlogs.md): Returns an array of all logs matching filter with given id. The API credit value for this method is 6. - [eth\_getLogs](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getlogs.md): Returns an array of all logs matching a given filter object. The API credit value for this method is 80 - [eth\_getProof](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getproof.md): Returns the account and storage values of the specified account including the Merkle-proof. The API credit value for this method is 60. - [eth\_getStorageAt](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getstorageat.md): Returns the value from a storage position at a given address. The API credit value for this method is 70. - [eth\_getTransactionByBlockHashAndIndex](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gettransactionbyblockhashandindex.md): Returns information about a transaction given a blockhash and transaction index position. The API credit value for this method is 80. - [eth\_getTransactionByBlockNumberAndIndex](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gettransactionbyblocknumberandindex.md): Returns information about a transaction given a block number and transaction index position. The API credit value for this method is 80 - [eth\_getTransactionByHash](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gettransactionbyhash.md): Returns the information about a transaction from a transaction hash. The API credit value for this method is 80. - [eth\_getTransactionCount](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gettransactioncount.md): Returns the number of transactions sent from an address. The API credit value for this method is 80. - [eth\_getTransactionReceipt](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_gettransactionreceipt.md): Returns the receipt of a transaction by transaction hash. The API credit value for this method is 80. - [eth\_getUncleCountByBlockHash](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getunclecountbyblockhash.md): Returns the number of uncles for the block matching the given block hash. The API credit value for this method is 80 - [eth\_getUncleCountByBlockNumber](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_getunclecountbyblocknumber.md): Returns the number of uncles for the block matching the given block number. The API credit value for this method is 80. - [eth\_hashrate](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_hashrate.md): Returns the number of hashes per second that the node is mining with. The API credit value for this method is 100 - [eth\_maxPriorityFeePerGas](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_maxpriorityfeepergas.md): Get the priority fee needed to be included in a block. The API credit value for this method is 1 - [eth\_mining](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_mining.md): Returns true if node is actively mining new blocks. The API credit value for this method is 100 - [eth\_newBlockFilter](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_newblockfilter.md): Creates a filter in the node, to notify when a new block arrives. To check if the state has changed, call eth\_getFilterChanges. The API credit value for this method is 2 - [eth\_newFilter](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_newfilter.md): Creates a filter object, based on filter options, to notify when the state changes (logs). To check if the state has changed, call eth\_getFilterChanges. The API credit value for this method is 80. - [eth\_newPendingTransactionFilter](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_newpendingtransactionfilter.md): Creates a filter in the node to notify when new pending transactions arrive. To check if the state has changed, call eth\_getFilterChanges. The API credit value for this method is 2. - [eth\_signTransaction](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_signtransaction.md): Signs a transaction that can be submitted to the network later using eth\_sendRawTransaction - not supported by QuickNode! The API credit value for this method is 1. - [eth\_syncing](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_syncing.md): Returns an object with the sync status of the node if the node is out-of-sync and is syncing. Returns false when the node is already in sync. The API credit value for this method is 100 - [eth\_uninstallFilter](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_uninstallfilter.md): It uninstalls a filter with the given filter id. The API credit value for this method is 1. - [eth\_unsubscribe](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_unsubscribe.md): Cancels an existing subscription so that no further events are sent. The API credit value for this method is 1. - [eth\_sendRawTransaction](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/eth_sendrawtransaction.md): Creates new message call transaction or a contract creation for signed transactions. The API credit value for this method is 70. - [net\_listening](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/net_listening.md): Returns true if client is actively listening for network connections. The API credit value for this method is 100 - [net\_peerCount](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/net_peercount.md): Returns number of peers currently connected to the client. The API credit value for this method is 100 - [net\_version](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/net_version.md): Returns the current network id. The API credit value for this method is 100. - [txpool\_content](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/txpool_content.md): Returns all pending and queued transactions (Supported only on Geth). The API credit value for this method is 1000 - [txpool\_inspect](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/txpool_inspect.md): Returns a textual summary of all pending and queued transactions (Supported only on Geth). The API credit value for this method is 100 - [txpool\_status](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/txpool_status.md): Returns the number of transactions in pending and queued states (Supported only on Geth). The API credit value for this method is 100. - [web3\_clientVersion](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/web3_clientversion.md): Returns the current version of the chain client. The API credit value for this method is 200. - [web3\_sha3](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ethereum-json-rpc-apis/web3_sha3.md): Returns Keccak-256 (not the standardized SHA3-256) hash of the given data. The API credit value for this method is 20. - [IPFS HTTP Client APIs](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis.md) - [How to](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/how-to.md): Access IPFS content - [HTTP API methods](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods.md): The IPFS documentation lists the IPFS HTTP API methods. - [add](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/add.md): /api/v0/add - [block\_get](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/block_get.md): /api/v0/block/get - [block\_stat](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/block_stat.md): /api/v0/block/stat - [cat](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/cat.md): /api/v0/cat - [dag\_get](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/dag_get.md): /api/v0/dag/get - [dag\_import](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/dag_import.md): /api/v0/dag/import - [dag\_put](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/dag_put.md): /api/v0/dag/put - [dag\_resolve](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/dag_resolve.md): /api/v0/dag/resolve - [get](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/get.md): /api/v0/get - [pin\_add](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/pin_add.md): /api/v0/pin/add - [pin\_ls](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/pin_ls.md): /api/v0/pin/ls - [pin\_rm](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/pin_rm.md): /api/v0/pin/rm - [pin\_update](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/pin_update.md): /api/v0/pin/update - [version](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/version.md): /api/v0/pin/version - [block\_put](https://docs.krypcore.com/dev-docs/api-reference/infrastructure-apis/ipfs-http-client-apis/http-api-methods/block_put.md): /api/v0/block/put --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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