For the full documentation of available parameters and descriptions, please visit the official Ethereum JSON-RPC docs.
For compatibility with Parity, please prefix all hex strings with " 0x ".
eth_blockNumber
Returns the number of most recent block
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_blockNumber
&apikey=YourApiKeyToken
Try this endpoint in your browser
Sample response
{
"jsonrpc":"2.0",
"result":"0x10a79f",
"id":83
}
eth_getBlockByNumber
Returns information about a block by block number.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getBlockByNumber
&tag=0x91b743
&boolean=true
&apikey=YourApiKeyToken
Sample response
{
"jsonrpc":"2.0",
"id":1,
"result":{
"baseFeePerGas":"0x7",
"difficulty":"0x1348c54c4",
"extraData":"0xd883010a11846765746888676f312e31372e37856c696e7578",
"gasLimit":"0x7a1200",
"gasUsed":"0x0",
"hash":"0x2cb5abe6b662c8a676df0c55a8fb01c81fdad7c1e1b7b3e7f8900439fd626c37",
"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner":"0x45ff5f8723dae09d008dae9462346fd806736390",
"mixHash":"0x914dac73b89721483a62fb78b7fd1110b91d57752afc84e911c34eedef090519",
"nonce":"0x6517543e5b8f467c",
"number":"0x10a79f",
"parentHash":"0xbccd65c8ad26b21413d4593161c7161ea612033d00dd6887673ab3eab283ff7b",
"receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"size":"0x21e",
"stateRoot":"0xa01ded26f5c6b00bfff7b8e244ec361b521093d07d3ce3db9c7b05f918bc877d",
"timestamp":"0x627e7d2c",
"totalDifficulty":"0xbf255bf92df41",
"transactions":[
],
"transactionsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles":[
]
}
}
eth_getUncleByBlockNumberAndIndex
Returns information about a uncle by block number.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getUncleByBlockNumberAndIndex
&tag=0x10A7A6
&index=0x0
&apikey=YourApiKeyToken
Sample response
{
"jsonrpc":"2.0",
"id":1,
"result":{
"baseFeePerGas":"0x7",
"difficulty":"0x133cb6ea4",
"extraData":"0xd883010a10846765746888676f312e31372e37856c696e7578",
"gasLimit":"0x7a1200",
"gasUsed":"0x0",
"hash":"0xd5aabf16a6cd972bf33b7656143d1305f24273ca44a47908e2c36d8eb69a2d80",
"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner":"0xd87def8bbd2c4d59494611ab259a2005c154212a",
"mixHash":"0x4c2d04e4f691306fcca2f2623cdac968bc1dc90170a1c7104815cebe424c6411",
"nonce":"0x4c0da4978732561b",
"number":"0x10a7a5",
"parentHash":"0xa92a3d6c31cdbed8d40067930f364291063e01946ca40db7cf4e95866bfcd7f1",
"receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"size":"0x21e",
"stateRoot":"0x5c5ca1001e5f6b383a0bcab31823097146aa364158b12888de02bbff707da299",
"timestamp":"0x627e7da6",
"transactionsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
"uncles":[
]
}
}
eth_getBlockTransactionCountByNumber
Returns the number of transactions in a block.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getBlockTransactionCountByNumber
&tag=0x10A70A
&apikey=YourApiKeyToken
Sample response
{
"jsonrpc":"2.0",
"id":1,
"result":"0x1"
}
eth_getTransactionByHash
Returns the information about a transaction requested by transaction hash.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getTransactionByHash
&txhash=0x57be61afdf095899d160003f58e429d3f9b0851fd90db217fc0aa474761f9f34
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":{
"blockHash":"0x9329b3b236fb6a60ddec501d9264e587593f7b810fff31c9a2cf1f2deb58ebe2",
"blockNumber":"0x10a70a",
"from":"0x382b4ca2c4a7cd28c1c400c69d81ec2b2637f7dd",
"gas":"0x5208",
"gasPrice":"0x77359407",
"maxFeePerGas":"0x77359407",
"maxPriorityFeePerGas":"0x77359400",
"hash":"0x57be61afdf095899d160003f58e429d3f9b0851fd90db217fc0aa474761f9f34",
"input":"0x",
"nonce":"0x6e",
"to":"0x97664026bf28d95330dd80174630c287a9c8e2e3",
"transactionIndex":"0x0",
"value":"0x35c007914225000",
"type":"0x2",
"accessList":[
],
"chainId":"0xaa36a7",
"v":"0x1",
"r":"0x9c358c4e6ef291967775d0c50e34dbb3a0c602a3d8e616dffb5a513e4ac2018e",
"s":"0x28dd29246d37f57a35026d315c352042f04afc0709c541a9e0d39df571aa7c67"
}
}
eth_getTransactionByBlockNumberAndIndex
Returns information about a transaction by block number and transaction index position.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getTransactionByBlockNumberAndIndex
&tag=0x10A70A
&index=0x0
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":{
"blockHash":"0x9329b3b236fb6a60ddec501d9264e587593f7b810fff31c9a2cf1f2deb58ebe2",
"blockNumber":"0x10a70a",
"from":"0x382b4ca2c4a7cd28c1c400c69d81ec2b2637f7dd",
"gas":"0x5208",
"gasPrice":"0x77359407",
"maxFeePerGas":"0x77359407",
"maxPriorityFeePerGas":"0x77359400",
"hash":"0x57be61afdf095899d160003f58e429d3f9b0851fd90db217fc0aa474761f9f34",
"input":"0x",
"nonce":"0x6e",
"to":"0x97664026bf28d95330dd80174630c287a9c8e2e3",
"transactionIndex":"0x0",
"value":"0x35c007914225000",
"type":"0x2",
"accessList":[
],
"chainId":"0xaa36a7",
"v":"0x1",
"r":"0x9c358c4e6ef291967775d0c50e34dbb3a0c602a3d8e616dffb5a513e4ac2018e",
"s":"0x28dd29246d37f57a35026d315c352042f04afc0709c541a9e0d39df571aa7c67"
}
}
eth_getTransactionCount
Returns the number of transactions performed by an address.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getTransactionCount
&address=0x1d41D6B1091C1a8A334096771bd1776019243d5e
&tag=latest
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":"0x6f"
}
eth_sendRawTransaction
Submits a pre-signed transaction for broadcast to the Ethereum network.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_sendRawTransaction
&hex=0x02f874030185012a05f200852e90edd00082520894eeee7341f206302f2216e39d715b96d8c6901a1c880de0b6b3a764000080c001a0bf61ea5419c7856be4ea2221b721b849d50fec738d10a714e7aaa809d9ad8838a01e59353aa8e567cc0661fb58b047361998df234df6593bf424839bc5ea214a2c
&apikey=YourApiKeyToken
Sample Response
{
"id":1,
"jsonrpc": "2.0",
"result": "0x84c81fc1e23474e13be0114f94f99b43696830f33292fd1d642f37e87e95acd6"
}
Use eth_getTransactionReceipt to retrieve full details.
eth_getTransactionReceipt
Returns the receipt of a transaction by transaction hash.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getTransactionReceipt
&txhash=0x50b43f829e0b7044decbac0dc9216de1c7bf9a271999ed978300da1f5dc90c51
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":{
"blockHash":"0xd201810e935bed977bdb63ac5e8e7328acaefe3ec5447597f8b2493728a6c1e3",
"blockNumber":"0x10a574",
"contractAddress":null,
"cumulativeGasUsed":"0x5208",
"effectiveGasPrice":"0x59682f07",
"from":"0x9907dd452706a9783e241d7b16e6ad0759ae051e",
"gasUsed":"0x5208",
"logs":[
],
"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"status":"0x1",
"to":"0x105083929bf9bb22c26cb1777ec92661170d4285",
"transactionHash":"0x50b43f829e0b7044decbac0dc9216de1c7bf9a271999ed978300da1f5dc90c51",
"transactionIndex":"0x0",
"type":"0x2"
}
}
eth_call
Executes a new message call immediately without creating a transaction on the block chain.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_call
&to=0x272c31fc25e4e609cbcc9e7a9e6171b4b39feaca
&data=0x60fe47b10000000000000000000000000000000000000000000000000000000000010f2c
&tag=latest
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":"0x"
}
eth_getCode
Returns code at a given address.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getCode
&address=0x272c31fc25e4e609cbcc9e7a9e6171b4b39feaca
&tag=latest
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":"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"
}
eth_getStorageAt
Returns the value from a storage position at a given address.
This endpoint is still experimental and may have potential issues
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_getStorageAt
&address=0x272c31fc25e4e609cbcc9e7a9e6171b4b39feaca
&position=0x0
&tag=latest
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":"0x000000000000x0000000000000000000000000000000000000000000000000000000000010f2c00000000000000000000000000000000000000000000000000000"
}
eth_gasPrice
Returns the current price per gas in wei.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_gasPrice
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":73,
"result":"0x3b9aca07"
}
eth_estimateGas
Makes a call or transaction, which won't be added to the blockchain and returns the used gas.
https://api-holesky.etherscan.io/api
?module=proxy
&action=eth_estimateGas
&data=0x60fe47b10000000000000000000000000000000000000000000000000000000000000004
&to=0x272c31fC25E4e609CbCC9E7a9e6171b4B39feAca
&value=0x0
&gasPrice=0x51da038cc
&gas=0x186A0
&apikey=YourApiKeyToken
Sample Response
{
"jsonrpc":"2.0",
"id":1,
"result":"0x67ea"
}