Geth/Parity Proxy

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.kromascan.com/api
   ?module=proxy
   &action=eth_blockNumber
   &apikey=YourApiKeyToken

Try this endpoint in your browser

No parameters required.

Sample response

{
   "jsonrpc":"2.0",
   "id":83,
   "result":"0xc36b29"
}

eth_getBlockByNumber

Returns information about a block by block number.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getBlockByNumber
   &tag=0x10d4f
   &boolean=true
   &apikey=YourApiKeyToken

Query Parameters

Sample response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":{
      "baseFeePerGas":"0x5cfe76044",
      "difficulty":"0x1b4ac252b8a531",
      "extraData":"0xd883010a06846765746888676f312e31362e36856c696e7578",
      "gasLimit":"0x1caa87b",
      "gasUsed":"0x5f036a",
      "hash":"0x396288e0ad6690159d56b5502a172d54baea649698b4d7af2393cf5d98bf1bb3",
      "logsBloom":"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",
      "miner":"0x5a0b54d5dc17e0aadc383d2db43b0a0d3e029c4c",
      "mixHash":"0xc547c797fb85c788ecfd4f5d24651bddf15805acbaad2c74b96b0b2a2317e66c",
      "nonce":"0x04a99df972bd8412",
      "number":"0xc63251",
      "parentHash":"0xbb2d43395f93dab5c424421be22d874f8c677e3f466dc993c218fa2cd90ef120",
      "receiptsRoot":"0x3de3b59d208e0fd441b6a2b3b1c814a2929f5a2d3016716465d320b4d48cc1e5",
      "sha3Uncles":"0xee2e81479a983dd3d583ab89ec7098f809f74485e3849afb58c2ea8e64dd0930",
      "size":"0x6cb6",
      "stateRoot":"0x60fdb78b92f0e621049e0aed52957971e226a11337f633856d8b953a56399510",
      "timestamp":"0x6110bab2",
      "totalDifficulty":"0x612789b0aba90e580f8",
      "transactions":[
         "0x40330c87750aa1ba1908a787b9a42d0828e53d73100ef61ae8a4d925329587b5",
         "0x6fa2208790f1154b81fc805dd7565679d8a8cc26112812ba1767e1af44c35dd4",
         "0xe31d8a1f28d4ba5a794e877d65f83032e3393809686f53fa805383ab5c2d3a3c",
         "0xa6a83df3ca7b01c5138ec05be48ff52c7293ba60c839daa55613f6f1c41fdace",
         "0x4e46edeb68a62dde4ed081fae5efffc1fb5f84957b5b3b558cdf2aa5c2621e17",
         "0x356ee444241ae2bb4ce9f77cdbf98cda9ffd6da244217f55465716300c425e82",
         "0x1a4ec2019a3f8b1934069fceff431e1370dcc13f7b2561fe0550cc50ab5f4bbc",
         "0xad7994bc966aed17be5d0b6252babef3f56e0b3f35833e9ac414b45ed80dac93"
      ],
      "transactionsRoot":"0xaceb14fcf363e67d6cdcec0d7808091b764b4428f5fd7e25fb18d222898ef779",
      "uncles":[
         "0x9e8622c7bf742bdeaf96c700c07151c1203edaf17a38ea8315b658c2e6d873cd"
      ]
   }
}

eth_getBlockTransactionCountByNumber

Returns the number of transactions in a block.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getBlockTransactionCountByNumber
   &tag=0x10FB78
   &apikey=YourApiKeyToken

Query Parameters

Sample response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":"0x1"
}

eth_getTransactionByHash

Returns the information about a transaction requested by transaction hash.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getTransactionByHash
   &txhash=0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
    "blockNumber": "0x40a26e",
    "from": "0xcd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19",
    "gas": "0x569df",
    "gasPrice": "0x989680",
    "maxFeePerGas": "0x989680",
    "maxPriorityFeePerGas": "0x989680",
    "hash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
    "input": "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",
    "nonce": "0x10",
    "to": "0x02f55d53dce23b4aa962cc68b0f685f26143bdb2",
    "transactionIndex": "0x1",
    "value": "0x0",
    "type": "0x2",
    "accessList": [],
    "chainId": "0xff",
    "v": "0x1",
    "r": "0xef3e9d42dcdde122d873f64c1b4567c09b7b5c88f1552af399d9f966c630dd3f",
    "s": "0x27857916a49abcf9b1f81cdf1cfc5496f6b3cc3e9bc9f04f2121cf89d863950c"
  }
}

eth_getTransactionByBlockNumberAndIndex

Returns information about a transaction by block number and transaction index position.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getTransactionByBlockNumberAndIndex
   &tag=40A62A
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "blockHash": "0xd373e338e709942f0e3cf4b23c40af8ce7583ad45bf6b024915f841258f3be1a",
    "blockNumber": "0x40a62a",
    "from": "0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001",
    "gas": "0xf4240",
    "gasPrice": "0x0",
    "hash": "0x18f930539833e83c168bb23907bae1d05cde9fa6b93c7fa62338db3034376548",
    "input": "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",
    "nonce": "0x40a62a",
    "to": "0x4200000000000000000000000000000000000002",
    "transactionIndex": "0x0",
    "value": "0x0",
    "type": "0x7e",
    "v": "0x0",
    "r": "0x0",
    "s": "0x0",
    "sourceHash": "0x3b74631cf8d3ea88f299ee466be9571bf3bcd3fc539a751980eaa94f55dba673",
    "mint": "0x0"
  }
}

eth_getTransactionCount

Returns the number of transactions performed by an address.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getTransactionCount
   &address=0xcd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19
   &tag=latest
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":"0x16"
}

eth_sendRawTransaction

Submits a pre-signed transaction for broadcast to the Ethereum network.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_sendRawTransaction
   &hex=0xf904808000831cfde080
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
  "id":1,
  "jsonrpc": "2.0",
  "result": "0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331"
}

Use eth_getTransactionReceipt to retrieve full details.

eth_getTransactionReceipt

Returns the receipt of a transaction by transaction hash.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getTransactionReceipt
   &txhash=0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
    "blockNumber": "0x40a26e",
    "contractAddress": null,
    "cumulativeGasUsed": "0x48d07",
    "effectiveGasPrice": "0x989680",
    "from": "0xcd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19",
    "gasUsed": "0x38942",
    "l1Fee": "0x48f1d2e841d3",
    "l1FeeScalar": "0.684",
    "l1GasPrice": "0x6edddca4c",
    "l1GasUsed": "0xea8",
    "logs": [
      {
        "address": "0x4200000000000000000000000000000000000001",
        "topics": [
          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
          "0x0000000000000000000000001782d71a0f16efcb632baf210a54ce641852a138",
          "0x000000000000000000000000cd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19"
        ],
        "data": "0x00000000000000000000000000000000000000000000000000489d464a6eb955",
        "blockNumber": "0x40a26e",
        "transactionHash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
        "transactionIndex": "0x1",
        "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
        "logIndex": "0x0",
        "removed": false
      },
      {
        "address": "0x0cf7c2a584988871b654bd79f96899e4cd6c41c0",
        "topics": [
          "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925",
          "0x000000000000000000000000cd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19",
          "0x00000000000000000000000002f55d53dce23b4aa962cc68b0f685f26143bdb2"
        ],
        "data": "0x0000000000000000000000000000000000000000000000000000000000000004",
        "blockNumber": "0x40a26e",
        "transactionHash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
        "transactionIndex": "0x1",
        "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
        "logIndex": "0x1",
        "removed": false
      },
      {
        "address": "0x0cf7c2a584988871b654bd79f96899e4cd6c41c0",
        "topics": [
          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
          "0x000000000000000000000000cd93ef1ce3adc9aa7c46ec4bc3a2fd76db1d1f19",
          "0x0000000000000000000000001782d71a0f16efcb632baf210a54ce641852a138"
        ],
        "data": "0x0000000000000000000000000000000000000000000000000000000002b8daba",
        "blockNumber": "0x40a26e",
        "transactionHash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
        "transactionIndex": "0x1",
        "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
        "logIndex": "0x2",
        "removed": false
      },
      {
        "address": "0x1782d71a0f16efcb632baf210a54ce641852a138",
        "topics": [
          "0x0fe977d619f8172f7fdbe8bb8928ef80952817d96936509f67d66346bc4cd10f",
          "0x0000000000000000000000000cf7c2a584988871b654bd79f96899e4cd6c41c0",
          "0x0000000000000000000000004200000000000000000000000000000000000001",
          "0x00000000000000000000000000000000000000000000000000000000000001f4"
        ],
        "data": "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000002b8daba00000000000000000000000000000000000000000000000000489d464a6eb9550000000000000000000000000000000000000000000000000000000000030a21",
        "blockNumber": "0x40a26e",
        "transactionHash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
        "transactionIndex": "0x1",
        "blockHash": "0x08f7bd2944b5bac8dcbd84f21af458a24f979c0c2638bb922cb8ba4e4bda3bc6",
        "logIndex": "0x3",
        "removed": false
      }
    ],
    "logsBloom": "0x00000000000000000000000000000000000000002000000000000000000000000480000000000000800000000000000000004000000000040000000200200000000000000001000001000008000020000000000000008000200000000000000000000000001000020000000000001000020000008000000000000010000004000000000000000000000000000000000000000000000000000000000000000000028000002000000000000000000000014000000000000000000000000000000000000002000000000000000000000000000000000100000000000000000000000010000000800000000000001000000000010020120000000000000000080000",
    "status": "0x1",
    "to": "0x02f55d53dce23b4aa962cc68b0f685f26143bdb2",
    "transactionHash": "0xb971101419ff4a56420f6e8a689f6017388790c2e2b2bafea994a3d9afba0589",
    "transactionIndex": "0x1",
    "type": "0x2"
  }
}

eth_call

Executes a new message call immediately without creating a transaction on the block chain.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_call
   &to=0xAEEF46DB4855E25702F8237E8f403FddcaF931C0
   &data=0x70a08231000000000000000000000000e16359506c028e51f16be38986ec5746251e9724
   &tag=latest
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":"0x00000000000000000000000000000000000000000000000000601d8888141c00"
}

eth_getCode

Returns code at a given address.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_getCode
   &address=0x02f55d53dce23b4aa962cc68b0f685f26143bdb2
   &tag=latest
   &apikey=YourApiKeyToken

Query Parameters

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.kromascan.com/api
   ?module=proxy
   &action=eth_getStorageAt
   &address=0x02f55d53dce23b4aa962cc68b0f685f26143bdb2
   &position=0x0
   &tag=latest
   &apikey=YourApiKeyToken

Try this endpoint in your browser

Query Parameters

Sample Response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
}

eth_gasPrice

Returns the current price per gas in wei.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_gasPrice
   &apikey=YourApiKeyToken

No parameters required.

Sample Response

{
   "jsonrpc":"2.0",
   "id":73,
   "result":"0x430e23400"
}

Easily convert Ethereum units using our unit converter.

eth_estimateGas

Makes a call or transaction, which won't be added to the blockchain and returns the used gas.

https://api.kromascan.com/api
   ?module=proxy
   &action=eth_estimateGas
   &data=0x4e71d92d
   &to=0xf0160428a8552ac9bb7e050d90eeade4ddd52843
   &value=0xff22
   &gasPrice=0x51da038cc
   &gas=0x5f5e0ff
   &apikey=YourApiKeyToken

Query Parameters

Sample Response

{
   "jsonrpc":"2.0",
   "id":1,
   "result":"0x6556"
}

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Last updated 11 months ago