BlockBook

Get BlockBook and backend status

get

Returns general information about the BlockBook instance and the connected ECash backend node.

Authorizations

api-keyAuth

api-keystringRequired

Responses

200

Successful response with BlockBook and backend status

application/json

get

/api/v2

HTTPcURLJavaScriptPython

GET /api/v2 HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with BlockBook and backend status

{
  "blockbook": {
    "coin": "ECash",
    "host": "5eccb858ad56",
    "version": "devel",
    "gitCommit": "1322a919",
    "buildTime": "2023-06-08T12:23:48+00:00",
    "syncMode": true,
    "initialSync": false,
    "inSync": true,
    "bestHeight": 4197420,
    "lastBlockTime": "2026-01-16T12:27:22.115775026Z",
    "inSyncMempool": true,
    "lastMempoolTime": "2026-01-16T12:27:31.355293003Z",
    "mempoolSize": 4,
    "decimals": 8,
    "dbSize": 69251869499,
    "about": "Blockbook - blockchain indexer for Trezor Suite https://trezor.io/trezor-suite. Do not use for any other purpose."
  },
  "backend": {
    "chain": "main",
    "blocks": 4197420,
    "headers": 4197420,
    "bestBlockHash": "00000000000078a22c6a07170a46f158961e51fcd3a6b4946659b1bb65142aab",
    "difficulty": "77174.25716955366",
    "sizeOnDisk": 44237589224,
    "version": "4060100",
    "subversion": "/ECash:4.6.1(ECash.network)/",
    "protocolVersion": "70028"
  }
}

Get block hash by block height

get

Returns the block hash corresponding to the specified block height in the ECash blockchain.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

heightintegerRequired

Block height for which the block hash is requested

Example: 4197420

Responses

200

Successful response containing the block hash

application/json

get

/api/v2/block-index/{height}

HTTPcURLJavaScriptPython

GET /api/v2/block-index/{height} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response containing the block hash

{
  "blockHash": "000000000000a46e66b6ba67256ece7d162bc70cbdca0cbb8526905eea329512"
}

Get block details by block height

get

Returns detailed information about a block at the specified height or hash, including block metadata and a list of transactions.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

heightintegerRequired

Block height (integer) or block hash (string) to identify the block.

Example: 4197220

Responses

200

Successful response containing block details

application/json

get

/api/v2/block/{blockHeightOrHash}

HTTPcURLJavaScriptPython

GET /api/v2/block/{blockHeightOrHash} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response containing block details

{
  "page": 1,
  "totalPages": 1,
  "itemsOnPage": 1000,
  "hash": "000000000000a46e66b6ba67256ece7d162bc70cbdca0cbb8526905eea329512",
  "previousBlockHash": "000000000000894844979ad0b8fdbd36d0eaf99a8488b01cf13bc2ab6abc3ce0",
  "nextBlockHash": "00000000000077002d85c7c2a568a494c7c95c5c73d1a6a357440b5a57fabccf",
  "height": 4197220,
  "confirmations": 201,
  "size": 505,
  "time": 1768553331,
  "version": 805306368,
  "merkleRoot": "164cca0cd09959450fc9cc44113bb175c302326b69d9119bb394e27776151836",
  "nonce": "0",
  "bits": "1b00c624",
  "difficulty": "84671.98485923823",
  "txCount": 2,
  "txs": [
    {
      "txid": "eddb27dea179495f955db5433a56f0e9790c8bb9ea209ab36952184789bfdea2",
      "vin": [
        {
          "n": 0,
          "addresses": [
            "RX1aVw91LpfmPza7hVrU1M484x5ZiGacdP"
          ],
          "isAddress": true,
          "value": "1060537490"
        }
      ],
      "vout": [
        {
          "value": "1059949430",
          "n": 0,
          "spent": true,
          "addresses": [
            "RDrUforScxfp64xnZjDTKMjWfoHVu7mQ9b"
          ],
          "isAddress": true
        }
      ],
      "blockHash": "000000000000a46e66b6ba67256ece7d162bc70cbdca0cbb8526905eea329512",
      "blockHeight": 4197220,
      "confirmations": 201,
      "blockTime": 1768553331,
      "value": "1059949430",
      "valueIn": "1060537490",
      "fees": "588060"
    }
  ]
}

Get detailed transaction information

get

Returns a detailed transaction object including raw hex data, inputs, outputs, and block-related metadata.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

txidstringRequired

Transaction identifier (TXID)

Example: eddb27dea179495f955db5433a56f0e9790c8bb9ea209ab36952184789bfdea2

Responses

200

Successful response containing transaction details

application/json

get

/api/v2/tx-specific/{txid}

HTTPcURLJavaScriptPython

GET /api/v2/tx-specific/{txid} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response containing transaction details

{
  "txid": "eddb27dea179495f955db5433a56f0e9790c8bb9ea209ab36952184789bfdea2",
  "hash": "cafeaab897f566d7f5153b67213e8b0c53571519ef1e5a6741e9d939edf7020f",
  "version": 1,
  "size": 192,
  "vsize": 165,
  "locktime": 0,
  "vin": [
    {
      "coinbase": "03640b4040022f42696e616e63652f31207f05475a166306",
      "sequence": 4294967295
    }
  ],
  "vout": [
    {
      "value": 2500.0059,
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 383728f848001d3faa649269a3f940890b4a0da1 OP_EQUALVERIFY OP_CHECKSIG",
        "hex": "76a914383728f848001d3faa649269a3f940890b4a0da188ac",
        "reqSigs": 1,
        "type": "pubkeyhash",
        "addresses": [
          "REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7"
        ]
      },
      "spentTxId": "9f19baca7d15e7d2152830e802d67d384303b08adeab1838edebbd815ddf9f88",
      "spentIndex": 39,
      "spentHeight": 4197409,
      "valueSat": 250000588060
    }
  ],
  "hex": "010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff1803640b4040022f42696e616e63652f31207f05475a166306ffffffff021c3d32353a0000001976a914383728f848001d3faa649269a3f940890b4a0da188ac0000000000000000266a24aa21a9ed995fb49ed60c575ac789a4392155e51594c4104d4226aa26249f42cc334c1efa0120000000000000000000000000000000000000000000000000000000000000000000000000",
  "blockhash": "000000000000a46e66b6ba67256ece7d162bc70cbdca0cbb8526905eea329512",
  "height": 4197220,
  "confirmations": 201,
  "time": 1768553331,
  "blocktime": 1768553331
}

Get transaction details by transaction ID

get

Returns a simplified transaction representation in BlockBook v2 format. Values are represented in satoshis as strings.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

txidstringRequired

Transaction identifier (TXID)

Example: eddb27dea179495f955db5433a56f0e9790c8bb9ea209ab36952184789bfdea2

Responses

200

Successful response containing transaction data

application/json

get

/api/v2/tx/{txid}

HTTPcURLJavaScriptPython

GET /api/v2/tx/{txid} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response containing transaction data

{
  "txid": "eddb27dea179495f955db5433a56f0e9790c8bb9ea209ab36952184789bfdea2",
  "version": 1,
  "vin": [
    {
      "sequence": 4294967295,
      "n": 0,
      "isAddress": false,
      "coinbase": "03640b4040022f42696e616e63652f31207f05475a166306"
    }
  ],
  "vout": [
    {
      "value": "250000588060",
      "n": 0,
      "spent": true,
      "hex": "76a914383728f848001d3faa649269a3f940890b4a0da188ac",
      "addresses": [
        "REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7"
      ],
      "isAddress": true
    }
  ],
  "blockHash": "000000000000a46e66b6ba67256ece7d162bc70cbdca0cbb8526905eea329512",
  "blockHeight": 4197220,
  "confirmations": 201,
  "blockTime": 1768553331,
  "size": 192,
  "vsize": 165,
  "value": "250000588060",
  "valueIn": "0",
  "fees": "0",
  "hex": "010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff1803640b4040022f42696e616e63652f31207f05475a166306ffffffff021c3d32353a0000001976a914383728f848001d3faa649269a3f940890b4a0da188ac0000000000000000266a24aa21a9ed995fb49ed60c575ac789a4392155e51594c4104d4226aa26249f42cc334c1efa0120000000000000000000000000000000000000000000000000000000000000000000000000"
}

Get address details

get

Returns information about a specific address, including balances, transaction count, and transaction IDs.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

addressstringRequired

The blockchain address to query

Example: REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7

Responses

200

Successful response with address information

application/json

get

/api/v2/address/{address}

HTTPcURLJavaScriptPython

GET /api/v2/address/{address} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with address information

{
  "page": 1,
  "totalPages": 24,
  "itemsOnPage": 1000,
  "address": "REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7",
  "balance": "1250036366481",
  "totalReceived": "4176764294689021",
  "totalSent": "4175514258322540",
  "unconfirmedBalance": "0",
  "unconfirmedTxs": 0,
  "txs": 23170,
  "txids": [
    "9f19baca7d15e7d2152830e802d67d384303b08adeab1838edebbd815ddf9f88",
    "646935fb916b3298797db127a6019a440c3395054b910e227fc18e24941cd0de",
    "b3a3a0029be86e20115767db4b431a80b3f24636bba48d742c62c57472af2cd7"
  ]
}

Get UTXOs for an address

get

Returns a list of unspent transaction outputs (UTXOs) for the given address, XPUB, or descriptor.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

addressstringRequired

Address, XPUB or descriptor to query UTXOs for.

Example: REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7

Query parameters

confirmedbooleanOptional

If true, only return confirmed UTXOs. Defaults to false (returns both confirmed and unconfirmed).

Default: false

Responses

200

Successful response with UTXOs

application/json

get

/api/v2/utxo/{addressOrXpubOrDescriptor}

HTTPcURLJavaScriptPython

GET /api/v2/utxo/{addressOrXpubOrDescriptor} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with UTXOs

[
  {
    "txid": "646935fb916b3298797db127a6019a440c3395054b910e227fc18e24941cd0de",
    "vout": 0,
    "value": "250012506692",
    "height": 4197402,
    "confirmations": 19,
    "coinbase": true
  }
]

Estimate transaction fee per kilobyte

get

Estimates the fee (in coins) per kilobyte needed for a transaction to be confirmed within a certain number of blocks.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

blocksintegerRequired

Number of blocks within which the transaction should be confirmed

Example: 10

Responses

200

Successful fee estimation

application/json

get

/api/v2/estimatefee/{blocks}

HTTPcURLJavaScriptPython

GET /api/v2/estimatefee/{blocks} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful fee estimation

{
  "result": "0.01013364"
}

Get balance history for an address

get

Returns the balance history of a given address, including amounts received, sent, and sent to self, grouped by time intervals.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

addressstringRequired

The ECash address to retrieve balance history for

Example: REQRzqybtFvVGDGKpmGb8MaEGwuDczC1K7

Responses

200

Balance history data

application/json

get

/api/v2/balancehistory/{address}

HTTPcURLJavaScriptPython

GET /api/v2/balancehistory/{address} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Balance history data

[
  {
    "time": 1717480800,
    "txs": 1,
    "received": "250000000000",
    "sent": "0",
    "sentToSelf": "0"
  }
]

Get list of tickers at a specific timestamp

get

Returns a list of cryptocurrency tickers and their rates at the specified timestamp.

Authorizations

api-keyAuth

api-keystringRequired

Query parameters

timestampintegerRequired

Unix timestamp to retrieve ticker data for

Example: 1768553331

Responses

200

List of tickers

application/json

get

/api/v2/tickers-list

HTTPcURLJavaScriptPython

GET /api/v2/tickers-list?timestamp=1768553331 HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

List of tickers

[
  {
    "symbol": "XVG",
    "price": "0.03456",
    "marketCap": "452345678",
    "volume24h": "2345678",
    "change24h": "2.34"
  }
]

Get XPUB/Descriptor Details

get

Returns balances and transaction history for the given extended public key (XPUB) or output descriptor.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

xpubOrDescriptorstringRequired

Extended public key (XPUB) or output descriptor.

Example: xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQ

Query parameters

pageintegerOptional

Page number of returned transactions (pagination)

Default: 1Example: 1

pageSizeintegerOptional

Number of transactions returned per page

Default: 1000Example: 500

fromintegerOptional

Start block height filter (inclusive)

Example: 3000000

tointegerOptional

End block height filter (inclusive)

Example: 4000000

detailsstringOptional

Level of transaction detail. Supported: basic, tokens, tokenBalances, txids, txs

Example: txids

Responses

200

Successful XPUB/Descriptor details response

application/json

get

/api/v2/xpub/{xpubOrDescriptor}

HTTPcURLJavaScriptPython

GET /api/v2/xpub/{xpubOrDescriptor} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful XPUB/Descriptor details response

{
  "page": 1,
  "totalPages": 1,
  "itemsOnPage": 22,
  "address": "xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2j",
  "balance": "12706308",
  "totalReceived": "12926308",
  "totalSent": "220000",
  "unconfirmedBalance": "0",
  "unconfirmedTxs": 0,
  "txs": 22,
  "addrTxCount": 22,
  "txids": [
    "4a556c81e88d30f99f56a0df1d28de0f22d3d6a1342bc0bbe882a5201fe2b9ff"
  ],
  "usedTokens": 19,
  "tokens": [
    {
      "type": "XPUBAddress",
      "name": "RXYzV2Hr5CDjXPavHDpDMjmU33BA2veHy6",
      "path": "m/44'/175'/0'/0/0",
      "transfers": 3,
      "decimals": 8,
      "balance": "10665",
      "totalReceived": "110665",
      "totalSent": "100000"
    }
  ]
}

Broadcast raw transaction

get

Broadcasts a raw transaction in hexadecimal format to the network. Returns the transaction ID if successfully broadcast. Kindly note that if sendtx is too long, the hexadecimal transaction may be cut off. In this case, it is preferable to use the POST version of the sendtx method.

Authorizations

api-keyAuth

api-keystringRequired

Path parameters

hexTxDatastringRequired

Raw transaction data in hexadecimal string format.

Example: 0200000001abcdef...00000000

Responses

200

Transaction broadcast successfully

application/json

get

/api/v2/sendtx/{hexTxData}

HTTPcURLJavaScriptPython

GET /api/v2/sendtx/{hexTxData} HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Transaction broadcast successfully

{
  "result": "4a556c81e88d30f99f56a0df1d28de0f22d3d6a1342bc0bbe882a5201fe2b9ff"
}

Broadcast raw transaction via POST body

post

Broadcasts a raw transaction provided in hexadecimal format via the request body. Returns the transaction ID if successfully broadcast.

Authorizations

api-keyAuth

api-keystringRequired

Body

application/json

hexstringOptional

Raw transaction in hexadecimal format

Example: 0200000001abcdef...00000000

Responses

200

Transaction broadcast successfully

application/json

post

/api/v2/sendtx/

HTTPcURLJavaScriptPython

POST /api/v2/sendtx/ HTTP/1.1
Host: xec-blockbook.nownodes.io
api-key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 37

{
  "hex": "0200000001abcdef...00000000"
}

200

Transaction broadcast successfully

{
  "result": "4a556c81e88d30f99f56a0df1d28de0f22d3d6a1342bc0bbe882a5201fe2b9ff"
}