OP index WSS
Get Info
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"2","method":"getInfo","params":{}} Response: 200
{
"id": "2",
"data": {
"name": "Optimism",
"shortcut": "ETH",
"decimals": 18,
"version": "devel",
"bestHeight": 132708214,
"bestHash": "0xdfa5e9f50124cd1bb3d2992e2cf0e3000be59745fbcdc55a52f8f52f45a67b57",
"block0Hash": "0x7ca38a1916c42007829c55e69d3e9a73265554b586a499015373241b8a3fa48b",
"testnet": false,
"backend": {
"version": "Geth/vuntagged/linux-amd64/go1.22.7"
}
}
}Ping
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"3","method":"ping","params":{}} Response: 200
{
"id": "3",
"data": {}
}Get block hash
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"4","method":"getBlockHash","params":{"height":1000000}}Response: 200
{
"id": "4",
"data": {
"hash": "0xf2f366c335a21d93f415bd4fbb15503e66909dd1d29acdcc1361bcaabe552c25"
}
}Get account info
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{
"id": "5",
"method": "getAccountInfo",
"params": {
"descriptor": "0xD8bAe3205348480b3F87f42E1B181Ee09C402655",
"details": "basic",
"tokens": "derived",
"page": null,
"pageSize": 10,
"from": null,
"to": null,
"contractFilter": ""
}
} Response: 200
{
"id": "5",
"data": {
"address": "0xD8bAe3205348480b3F87f42E1B181Ee09C402655",
"balance": "258958296274977",
"unconfirmedBalance": "0",
"unconfirmedTxs": 0,
"txs": 332,
"nonTokenTxs": 285,
"nonce": "252"
}
}Get balance history
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{
"id": "7",
"method": "getBalanceHistory",
"params": {
"descriptor": "0xD8bAe3205348480b3F87f42E1B181Ee09C402655",
"from": null,
"to": null,
"currencies": [
""
],
"groupBy": null
}
}Response: 200
{
"id": "7",
"data": [
{
"time": 1714863600,
"txs": 1,
"received": "0",
"sent": "0",
"sentToSelf": "0",
"rates": {
"aed": 11441.169,
"ars": 2735745.2,
...Get transaction
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"9","method":"getTransaction","params":{"txid":"0x01a246edf989e422bfab34f63bfe521aef1cd429058184e88741d94bda3f7760"}} Response: 200
{
"id": "9",
"data": {
"txid": "0x2087939d8f606604ae0be19d0ed4e4d76d30008174f3e54521480ccef47d08fe",
"vin": [
{
"n": 0,
"addresses": [
"0xca34DB76CedFb2FE91346fe05CccfC362DB25b97"
],
"isAddress": true
}
],
"vout": [
{
"value": "0",
"n": 0,
"addresses": [
"0xC09F9452F0d33254C60641B0094387F79cA6d775"
],
"isAddress": true
}
],
"blockHash": "0xc79dde0643e4f561a9e7d709492ad405e0b01b09540c4f69f7d8c82124cf8313",
"blockHeight": 132709037,
"confirmations": 7,
"blockTime": 1741016851,
"value": "0",
"fees": "1807487321199",
"ethereumSpecific": {
"status": 1,
"nonce": 195911,
"gasLimit": 8000000,
"gasUsed": 521939,
"gasPrice": "4408",
"l1Fee": 1805186614087,
"l1GasPrice": "1405147339",
"l1GasUsed": 1600,
"data": "0x",
"parsedData": {
"methodId": "",
"name": "Transfer"
}
}
}
}Get transaction specific
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"10","method":"getTransactionSpecific","params":{"txid":"0xdc18ac078e20f5ce8ee72004c89400ffa4bee67e8aa292dce69f5978dce84532"}} Response: 200
{
"id": "10",
"data": {
"tx": {
"nonce": "0x2fd47",
"gasPrice": "0x1138",
"gas": "0x7a1200",
"to": "0xC09F9452F0d33254C60641B0094387F79cA6d775",
"value": "0x0",
"input": "0x",
"hash": "0x2087939d8f606604ae0be19d0ed4e4d76d30008174f3e54521480ccef47d08fe",
"blockNumber": "0x7e8faad",
"blockHash": "0xc79dde0643e4f561a9e7d709492ad405e0b01b09540c4f69f7d8c82124cf8313",
"from": "0xca34DB76CedFb2FE91346fe05CccfC362DB25b97",
"transactionIndex": "0x12"
},
"receipt": {
"gasUsed": "0x7f6d3",
"status": "0x1",
"logs": [],
"l1Fee": "0x1a44d81c347",
"l1GasPrice": "0x53c0d8cb",
"l1GasUsed": "0x640"
}
}
}Estimate fee
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"11","method":"estimateFee","params":{"blocks":[2,5,10,20]}} Response: 200
{
"id": "11",
"data": [
{
"feePerTx": "54019952667",
"feePerUnit": "1004219",
"feeLimit": "53793"
},
{
"feePerTx": "2905895313815931",
"feePerUnit": "54019952667",
"feeLimit": "53793"
},
{
"feePerTx": "156316826616100376283",
"feePerUnit": "2905895313815931",
"feeLimit": "53793"
},
{
"feePerTx": "8408751054159887541391419",
"feePerUnit": "156316826616100376283",
"feeLimit": "53793"
}
]
}Send transaction
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"1","method":"sendTransaction","params":{"hex":"010000000001019d64f0c72a0d206001decbffaa722eb1044534c74eee7a5df8318e42a4323ec10000000017160014550da1f5d25a9dae2eafd6902b4194c4c6500af6ffffffff02809698000000000017a914cd668d781ece600efa4b2404dc91fd26b8b8aed8870553d7360000000017a914246655bdbd54c7e477d0ea2375e86e0db2b8f80a8702473044022076aba4ad559616905fa51d4ddd357fc1fdb428d40cb388e042cdd1da4a1b7357022011916f90c712ead9a66d5f058252efd280439ad8956a967e95d437d246710bc9012102a80a5964c5612bb769ef73147b2cf3c149bc0fd4ecb02f8097629c94ab013ffd00000000"}} Response: 200
{
"id": "1",
"data": {
"error": {
"message": "invalid argument 0: json: cannot unmarshal hex string without 0x prefix into Go value of type hexutil.Bytes"
}
}
}Get fiat rates for timestamps
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"13","method":"getFiatRatesForTimestamps","params":{"timestamps":[1575288000,1575550800],"currencies":[""]}} Response: 200
{
"id": "13",
"data": {
"tickers": [
{
"ts": 1575331200,
"rates": {
"aed": 546.8193,
"ars": 8914.723,
"aud": 218.34764,
"bch": 0.6966367,
...Get fiat rates for tickers list
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"15","method":"getFiatRatesTickersList","params":{"timestamp":1676591569}}Response: 200
{
"id": "15",
"data": {
"ts": 1676592000,
"available_currencies": [
"aed",
"ars",
"aud",
"bch",
"bdt",
"bhd",
"bits",
"bmd",
"brl",
"btc",
"cad",
"chf",
"clp",
"cny",
"dkk",
"dot",
"eos",
"eth",
"eur",
"gbp",
"gel",
"huf",
"idr",
"ils",
"inr",
"jpy",
"krw",
"kwd",
"link",
"ltc",
"mxn",
"ngn",
"nok",
"nzd",
"php",
"pkr",
"pln",
"rub",
"sar",
...Get current fiat rates
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"6","method":"getCurrentFiatRates","params":{"currencies":[""]}} Response: 200
{
"id": "6",
"data": {
"ts": 1741017001,
"rates": {
"aed": 8432.88,
"ars": 2442568,
"aud": 3676.41,
"bch": 6.623511,
"bdt": 278601,
"bhd": 865.33,
"bits": 25332,
...Subscribe new block
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"16","method":"subscribeNewBlock","params":{}}Response: 200
{
"id": "17",
"data": {
"subscribed": true
}
}Unsubscribe new block
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"16","method":"unsubscribeNewBlock","params":{}} Response: 200
{
"id": "16",
"data": {
"subscribed": false
}
}Subscribe new transaction
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"17","method":"subscribeNewTransaction","params":{}} Response: 200
{
"id": "17",
"data": {
"subscribed": true
}
}Unsubscribe new transaction
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"17","method":"unsubscribeNewTransaction","params":{}} Response: 200
{
"id": "17",
"data": {
"subscribed": false
}
}Subscribe address
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"18","method":"subscribeAddresses","params":{"addresses":["0xba98d6a5ac827632e3457de7512d211e4ff7e8bd","0x73d0385f4d8e00c5e6504c6030f47bf6212736a8"]}} Response: 200
{
"id": "18",
"data": {
"subscribed": true
}
}Unsubscribe address
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"18","method":"unsubscribeAddresses","params":{}} Response: 200
{
"id": "18",
"data": {
"subscribed": false
}
}Subscribe new fiat rates
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"19","method":"subscribeFiatRates","params":{"currency":"usd"}} Response: 200
{
"id": "19",
"data": {
"subscribed": true
}
}Unsubscribe new fiat rates
wss://optimism-index.nownodes.io/wss/{{api_key}}
Body
{"id":"19","method":"unsubscribeFiatRates","params":{}} Response: 200
{
"id": "19",
"data": {
"subscribed": false
}
}Last updated