BASE Blockbook WSS
Get Info
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
Body
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{"id":"2","method":"getInfo","params":{}} Response: 200
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{
"id": "2",
"data": {
"name": "Base",
"shortcut": "ETH",
"network": "ETH",
"decimals": 18,
"version": "0.4.0",
"bestHeight": 26242796,
"bestHash": "0x09318e24f0a9a76f849063d3f047b2108b846258af36357816213e838985dc1a",
"block0Hash": "0xf712aa9241cc24369b143cf6dce85f0902a9731e70d66818a3a5845b296c73dd",
"testnet": false,
"backend": {}
}
}Ping
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"3","method":"ping","params":{}} Response: 200
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{
"id": "3",
"data": {}
}Get block hash
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"4","method":"getBlockHash","params":{"height":1000000}}Response: 200
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{
"id": "4",
"data": {
"hash": "0x727e0c1aa6f4fa1673193d992018230a54a30bd404219b91a1f96ca217970a96"
}
}Get account info
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{
"id": "5",
"method": "getAccountInfo",
"params": {
"descriptor": "0xba98d6a5ac827632e3457de7512d211e4ff7e8bd",
"details": "basic",
"tokens": "derived",
"page": null,
"pageSize": 10,
"from": null,
"to": null,
"contractFilter": ""
}
} Response: 200
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{
"id": "5",
"data": {
"address": "0x7B5FdBf6710006B1e5A8eD86e41e8AAe4810b305",
"balance": "4811074226960",
"unconfirmedBalance": "0",
"unconfirmedTxs": 0,
"txs": 6,
"nonTokenTxs": 3,
"nonce": "5"
}
}Get balance history
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
Body
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{
"id": "7",
"data": [
{
"time": 1736802000,
"txs": 1,
"received": "0",
"sent": "0",
"sentToSelf": "0",
"rates": {
"aed": 11352.998,
"ars": 3263929.2,
"aud": 4927.756,
"bch": 9.129773,
"bdt": 375879.47,
"bhd": 1164.9298,
"bits": 31543.648,
"bmd": 3090.943,
"bnb": 4.836708,
"brl": 17972,
"btc": 0.03154421,
"cad": 4433.9644,
"chf": 2819.2192,
"clp": 2973150.5,
"cny": 22586.164,
"czk": 75205.91,
...Response: 200
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{
"id": "7",
"data": []
}Get transaction
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"9","method":"getTransaction","params":{"txid":"0x01a246edf989e422bfab34f63bfe521aef1cd429058184e88741d94bda3f7760"}} Response: 200
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{
"id": "9",
"data": {
"txid": "0x01a246edf989e422bfab34f63bfe521aef1cd429058184e88741d94bda3f7760",
"vin": [
{
"n": 0,
"addresses": [
"0x7B5FdBf6710006B1e5A8eD86e41e8AAe4810b305"
],
"isAddress": true
}
],
"vout": [
{
"value": "34994645158724335",
"n": 0,
"addresses": [
"0x4945cE2d1B5BD904CAc839b7FDAbAfd19Cab982b"
],
"isAddress": true
}
],
"blockHash": "0x4e813ffa582fce48793f88842b90b9b5576fde756cc7db778f1d2c50c6544ff0",
"blockHeight": 26242039,
"confirmations": 7570,
"blockTime": 1739273425,
"value": "34994645158724335",
"fees": "711487757040",
"ethereumSpecific": {
"status": 1,
"nonce": 4,
"gasLimit": 21000,
"gasUsed": 21000,
"gasPrice": "19911149",
"l1Fee": 293353628040,
"l1GasPrice": "2690999992",
"l1GasUsed": 1600,
"data": "0x",
"parsedData": {
"methodId": "",
"name": "Transfer"
}
}
}
}Get transaction specific
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"10","method":"getTransactionSpecific","params":{"txid":"0xdc18ac078e20f5ce8ee72004c89400ffa4bee67e8aa292dce69f5978dce84532"}} Response: 200
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{
"id": "10",
"data": {
"tx": {
"nonce": "0x4",
"gasPrice": "0x12fd1ed",
"gas": "0x5208",
"to": "0x4945cE2d1B5BD904CAc839b7FDAbAfd19Cab982b",
"value": "0x7c5371c1ba02ef",
"input": "0x",
"hash": "0x01a246edf989e422bfab34f63bfe521aef1cd429058184e88741d94bda3f7760",
"blockNumber": "0x1906bf7",
"blockHash": "0x4e813ffa582fce48793f88842b90b9b5576fde756cc7db778f1d2c50c6544ff0",
"from": "0x7B5FdBf6710006B1e5A8eD86e41e8AAe4810b305",
"transactionIndex": "0x87"
},
"receipt": {
"gasUsed": "0x5208",
"status": "0x1",
"logs": [],
"l1Fee": "0x444d3d2188",
"l1GasPrice": "0xa06566b8",
"l1GasUsed": "0x640"
}
}
}Estimate fee
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"11","method":"estimateFee","params":{"blocks":[2,5,10,20]}} Response: 200
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{
"id": "11",
"data": [
{
"feePerTx": "1121236762392",
"feePerUnit": "20843544",
"feeLimit": "53793"
},
{
"feePerTx": "60314689159352856",
"feePerUnit": "1121236762392",
"feeLimit": "53793"
},
{
"feePerTx": "3244508073949068182808",
"feePerUnit": "60314689159352856",
"feeLimit": "53793"
},
{
"feePerTx": "174531822821942224757790744",
"feePerUnit": "3244508073949068182808",
"feeLimit": "53793"
}
]
}Send transaction
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
Body
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{"id":"1","method":"sendTransaction","params":{"hex":"010000000001019d64f0c72a0d206001decbffaa722eb1044534c74eee7a5df8318e42a4323ec10000000017160014550da1f5d25a9dae2eafd6902b4194c4c6500af6ffffffff02809698000000000017a914cd668d781ece600efa4b2404dc91fd26b8b8aed8870553d7360000000017a914246655bdbd54c7e477d0ea2375e86e0db2b8f80a8702473044022076aba4ad559616905fa51d4ddd357fc1fdb428d40cb388e042cdd1da4a1b7357022011916f90c712ead9a66d5f058252efd280439ad8956a967e95d437d246710bc9012102a80a5964c5612bb769ef73147b2cf3c149bc0fd4ecb02f8097629c94ab013ffd00000000"}} Response: 200
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{
"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
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"13","method":"getFiatRatesForTimestamps","params":{"timestamps":[1575288000,1575550800],"currencies":[""]}} Response: 200
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{
"id": "13",
"data": {
"tickers": [
{
"ts": 1739274545,
"rates": {
"aed": 9926.03,
"ars": 2853796,
"aud": 4307.81,
"bch": 7.970156,
"bdt": 328633,
"bhd": 1018.68,
"bits": 27553,
"bmd": 2702.43,
"bnb": 4.2128,
"brl": 15713.02,
"btc": 0.02755293,
"cad": 3876,
"chf": 2466.54,
"clp": 2603658,
"cny": 19747.21,
"czk": 65744,
"dkk": 19537.67,
"dot": 532.995,
"eos": 4179,
"eth": 1,
"eur": 2619.5,
"gbp": 2186.25,
"gel": 7526.27,
"hkd": 21060,
"huf": 1057384,
"idr": 44268130,
"ils": 9701.38,
"inr": 234594,
"jpy": 411530,
"krw": 3928613,
"kwd": 834.75,
"link": 138.982,
"lkr": 803576,
"ltc": 21.09856,
"mmk": 5669702,
"mxn": 55746,
"myr": 12079.87,
"ngn": 4061755,
"nok": 30343,
"nzd": 4789.34,
"php": 157257,
"pkr": 755685,
"pln": 10942.42,
"rub": 259646,
"sar": 10134.38,
"sats": 2755293,
"sek": 29508,
"sgd": 3664.07,
"thb": 92077,
"try": 97434,
"twd": 88738,
"uah": 112658,
"usd": 2702.43,
"vef": 270.59,
"vnd": 69018824,
"xag": 85.11,
"xau": 0.93015,
"xdr": 2072.85,
"xlm": 8120,
"xrp": 1086,
"yfi": 0.45367306,
"zar": 49908
}
},
{
"ts": 1739274545,
"rates": {
"aed": 9926.03,
"ars": 2853796,
"aud": 4307.81,
"bch": 7.970156,
"bdt": 328633,
"bhd": 1018.68,
"bits": 27553,
"bmd": 2702.43,
"bnb": 4.2128,
"brl": 15713.02,
"btc": 0.02755293,
"cad": 3876,
"chf": 2466.54,
"clp": 2603658,
"cny": 19747.21,
"czk": 65744,
"dkk": 19537.67,
"dot": 532.995,
"eos": 4179,
"eth": 1,
"eur": 2619.5,
"gbp": 2186.25,
"gel": 7526.27,
"hkd": 21060,
"huf": 1057384,
"idr": 44268130,
"ils": 9701.38,
"inr": 234594,
"jpy": 411530,
"krw": 3928613,
"kwd": 834.75,
"link": 138.982,
"lkr": 803576,
"ltc": 21.09856,
"mmk": 5669702,
"mxn": 55746,
"myr": 12079.87,
"ngn": 4061755,
"nok": 30343,
"nzd": 4789.34,
"php": 157257,
"pkr": 755685,
"pln": 10942.42,
"rub": 259646,
"sar": 10134.38,
"sats": 2755293,
"sek": 29508,
"sgd": 3664.07,
"thb": 92077,
"try": 97434,
"twd": 88738,
"uah": 112658,
"usd": 2702.43,
"vef": 270.59,
"vnd": 69018824,
"xag": 85.11,
"xau": 0.93015,
"xdr": 2072.85,
"xlm": 8120,
"xrp": 1086,
"yfi": 0.45367306,
"zar": 49908
}
}
]
}
}Get fiat rates for tickers list
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
Body
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{"id":"15","method":"getFiatRatesTickersList","params":{"timestamp":1676591569}}Response: 200
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{
"id": "15",
"data": {
"ts": 1739274545,
"available_currencies": [
"aed",
"ars",
"aud",
"bch",
"bdt",
"bhd",
"bits",
"bmd",
"bnb",
"brl",
"btc",
"cad",
"chf",
"clp",
"cny",
"czk",
"dkk",
"dot",
"eos",
"eth",
"eur",
"gbp",
"gel",
"hkd",
"huf",
"idr",
"ils",
"inr",
"jpy",
"krw",
"kwd",
"link",
"lkr",
"ltc",
"mmk",
"mxn",
"myr",
"ngn",
"nok",
"nzd",
"php",
"pkr",
"pln",
"rub",
"sar",
"sats",
"sek",
"sgd",
"thb",
"try",
"twd",
"uah",
"usd",
"vef",
"vnd",
"xag",
"xau",
"xdr",
"xlm",
"xrp",
"yfi",
"zar"
]
}
}Get current fiat rates
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"6","method":"getCurrentFiatRates","params":{"currencies":[""]}} Response: 200
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{
"id": "6",
"data": {
"ts": 1739274545,
"rates": {
"aed": 9926.03,
"ars": 2853796,
"aud": 4307.81,
"bch": 7.970156,
"bdt": 328633,
"bhd": 1018.68,
"bits": 27553,
"bmd": 2702.43,
"bnb": 4.2128,
"brl": 15713.02,
"btc": 0.02755293,
"cad": 3876,
"chf": 2466.54,
"clp": 2603658,
"cny": 19747.21,
"czk": 65744,
"dkk": 19537.67,
"dot": 532.995,
"eos": 4179,
"eth": 1,
"eur": 2619.5,
"gbp": 2186.25,
"gel": 7526.27,
"hkd": 21060,
"huf": 1057384,
"idr": 44268130,
"ils": 9701.38,
"inr": 234594,
"jpy": 411530,
"krw": 3928613,
"kwd": 834.75,
"link": 138.982,
"lkr": 803576,
"ltc": 21.09856,
"mmk": 5669702,
"mxn": 55746,
"myr": 12079.87,
"ngn": 4061755,
"nok": 30343,
"nzd": 4789.34,
"php": 157257,
"pkr": 755685,
"pln": 10942.42,
"rub": 259646,
"sar": 10134.38,
"sats": 2755293,
"sek": 29508,
"sgd": 3664.07,
"thb": 92077,
"try": 97434,
"twd": 88738,
"uah": 112658,
"usd": 2702.43,
"vef": 270.59,
"vnd": 69018824,
"xag": 85.11,
"xau": 0.93015,
"xdr": 2072.85,
"xlm": 8120,
"xrp": 1086,
"yfi": 0.45367306,
"zar": 49908
}
}
}Subscribe new block
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
Body
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{"id":"16","method":"subscribeNewBlock","params":{}}Response: 200
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{
"id": "17",
"data": {
"subscribed": true
}
}Unsubscribe new block
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"16","method":"unsubscribeNewBlock","params":{}} Response: 200
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{
"id": "16",
"data": {
"subscribed": false
}
}Subscribe new transaction
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"17","method":"subscribeNewTransaction","params":{}} Response: 200
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{
"id": "17",
"data": {
"subscribed": true
}
}Unsubscribe new transaction
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"17","method":"unsubscribeNewTransaction","params":{}} Response: 200
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{
"id": "17",
"data": {
"subscribed": false
}
}Subscribe address
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"18","method":"subscribeAddresses","params":{"addresses":["0xba98d6a5ac827632e3457de7512d211e4ff7e8bd","0x73d0385f4d8e00c5e6504c6030f47bf6212736a8"]}} Response: 200
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{
"id": "18",
"data": {
"subscribed": true
}
}Unsubscribe address
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"18","method":"unsubscribeAddresses","params":{}} Response: 200
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{
"id": "18",
"data": {
"subscribed": false
}
}Subscribe new fiat rates
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"19","method":"subscribeFiatRates","params":{"currency":"usd"}} Response: 200
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{
"id": "19",
"data": {
"subscribed": true
}
}Unsubscribe new fiat rates
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wss://base-blockbook.nownodes.io/wss/{{api_key}}
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{"id":"19","method":"unsubscribeFiatRates","params":{}} Response: 200
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{
"id": "19",
"data": {
"subscribed": false
}
}Last updated