Insight

Get block information by hash

get

Returns detailed information about a block by its hash

Authorizations

api-keystringRequired

Path parameters

hashstringRequired

Block hash

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

Responses

200

Successful response with block data

application/json

hashstringOptional

Block hash

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

heightintegerOptional

Block height

Example: 123456

versionintegerOptional

Block version

Example: 4

merklerootstringOptional

Merkle root of transactions

Example: abc123def456abc123def456abc123def456abc123def456abc123def456abc1

timeintegerOptional

Block timestamp in UNIX time

Example: 1614556800

mediantimeintegerOptional

Median time of previous blocks

Example: 1614556700

nonceintegerOptional

Block nonce

Example: 1234567890

bitsstringOptional

Difficulty bits

Example: 1a012345

difficultynumberOptional

Block difficulty

Example: 12345.6789

chainworkstringOptional

Cumulative chain work

Example: 0000000000000000000000000000000000000000000000000123456789abcdef

previousblockhashstringOptional

Previous block hash

Example: 0000000000123456789abcdef0123456789abcdef0123456789abcdef0123

nextblockhashstringOptional

Next block hash

Example: 0000000000987654321fedcba0987654321fedcba0987654321fedcba0987

rewardnumberOptional

Block reward

Example: 3

isMainChainbooleanOptional

Whether block is in main chain

Example: true

txstring[]Optional

Array of transaction IDs in the block

Example: ["txid1","txid2","txid3"]

404

Block not found

application/json

get

/block/{hash}

GET /api/block/{hash} HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

{
  "hash": "00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c",
  "height": 123456,
  "version": 4,
  "merkleroot": "abc123def456abc123def456abc123def456abc123def456abc123def456abc1",
  "time": 1614556800,
  "mediantime": 1614556700,
  "nonce": 1234567890,
  "bits": "1a012345",
  "difficulty": 12345.6789,
  "chainwork": "0000000000000000000000000000000000000000000000000123456789abcdef",
  "previousblockhash": "0000000000123456789abcdef0123456789abcdef0123456789abcdef0123",
  "nextblockhash": "0000000000987654321fedcba0987654321fedcba0987654321fedcba0987",
  "reward": 3,
  "isMainChain": true,
  "poolInfo": {
    "poolName": "ZenPool",
    "url": "https://zenpool.com"
  },
  "tx": [
    "txid1",
    "txid2",
    "txid3"
  ]
}

Get block hash by height

get

Returns the block hash for a given block height

Authorizations

api-keystringRequired

Path parameters

heightintegerRequired

Block height

Example: 123456

Responses

200

Successful response with block hash

application/json

blockHashstringOptional

Block hash

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

404

Block not found

application/json

get

/block-index/{height}

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

{
  "blockHash": "00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c"
}

Get raw block data

get

Returns raw block data in hexadecimal format

Authorizations

api-keystringRequired

Path parameters

blockHashstringRequired

Block hash

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

Responses

200

Successful response with raw block data

application/json

rawblockstringOptional

Raw block data in hex

Example: 010000000000000000000000000000000000000000000000000000000000000000000000abc123def456...

404

Block not found

application/json

get

/rawblock/{blockHash}

GET /api/rawblock/{blockHash} HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

{
  "rawblock": "010000000000000000000000000000000000000000000000000000000000000000000000abc123def456..."
}

Get blocks with pagination and filtering

get

Returns list of blocks with optional limit and date filtering

Authorizations

api-keystringRequired

Query parameters

limitintegerOptional

Number of blocks to return (default: 10)

Example: 3

blockDatestring · dateOptional

Filter blocks by date (YYYY-MM-DD format)

Example: 2025-04-22

Responses

200

Successful response with blocks list

application/json

lengthintegerOptionalExample: 3

get

/blocks

GET /api/blocks HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with blocks list

{
  "blocks": [
    {
      "hash": "00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c",
      "height": 123456,
      "time": 1614556800,
      "txlength": 150,
      "size": 1024000,
      "poolInfo": {
        "poolName": "ZenPool"
      }
    }
  ],
  "length": 3,
  "pagination": {
    "next": "0000000000987654321fedcba0987654321fedcba0987654321fedcba0987",
    "prev": "0000000000123456789abcdef0123456789abcdef0123456789abcdef0123"
  }
}

Get transaction information

get

Returns detailed information about a transaction

Authorizations

api-keystringRequired

Path parameters

txidstringRequired

Transaction ID

Example: abc123def456abc123def456abc123def456abc123def456abc123def456abc1

Responses

200

Successful response with transaction data

application/json

txidstringOptional

Transaction ID

Example: abc123def456abc123def456abc123def456abc123def456abc123def456abc1

versionintegerOptionalExample: 1

locktimeintegerOptionalExample: 0

blockhashstringOptionalExample: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

blockheightintegerOptionalExample: 123456

confirmationsintegerOptionalExample: 150

timeintegerOptionalExample: 1614556800

blocktimeintegerOptionalExample: 1614556800

valueOutnumberOptionalExample: 1

sizeintegerOptionalExample: 250

valueInnumberOptionalExample: 1

feesnumberOptionalExample: 0.0001

get

/tx/{txid}

GET /api/tx/{txid} HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with transaction data

{
  "txid": "abc123def456abc123def456abc123def456abc123def456abc123def456abc1",
  "version": 1,
  "locktime": 0,
  "vin": [
    {
      "txid": "previous_txid_here",
      "vout": 0,
      "sequence": 4294967295,
      "n": 0,
      "addr": "znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
      "valueSat": 100000000,
      "value": 1,
      "doubleSpentTxID": null
    }
  ],
  "vout": [
    {
      "value": "1.00000000",
      "n": 0,
      "scriptPubKey": {
        "addresses": [
          "znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq"
        ],
        "hex": "76a914...88ac"
      },
      "spentTxId": null,
      "spentIndex": null,
      "spentHeight": null
    }
  ],
  "blockhash": "00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c",
  "blockheight": 123456,
  "confirmations": 150,
  "time": 1614556800,
  "blocktime": 1614556800,
  "valueOut": 1,
  "size": 250,
  "valueIn": 1,
  "fees": 0.0001
}

Get raw transaction data

get

Returns raw transaction data in hexadecimal format

Authorizations

api-keystringRequired

Path parameters

txidstringRequired

Transaction ID

Example: abc123def456abc123def456abc123def456abc123def456abc123def456abc1

Responses

200

Successful response with raw transaction data

application/json

rawtxstringOptional

Raw transaction data in hex

Example: 0100000001000000000000000000000000000000000000000000000000000000000000000000000000...

get

/rawtx/{txid}

GET /api/rawtx/{txid} HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with raw transaction data

{
  "rawtx": "0100000001000000000000000000000000000000000000000000000000000000000000000000000000..."
}

Get address information

get

Returns detailed information about an address including transactions

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Query parameters

noTxListinteger · enumOptional

If set to 1, excludes transaction list from response

Example: 1Possible values:

fromintegerOptional

Start index for transactions pagination

Example: 0

tointegerOptional

End index for transactions pagination

Example: 10

Responses

200

Successful response with address data

application/json

addrStrstringOptionalExample:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

balancenumberOptionalExample: 10.5

balanceSatintegerOptionalExample: 1050000000

totalReceivednumberOptionalExample: 15.2

totalReceivedSatintegerOptionalExample: 1520000000

totalSentnumberOptionalExample: 4.7

totalSentSatintegerOptionalExample: 470000000

unconfirmedBalancenumberOptionalExample: 0.1

unconfirmedBalanceSatintegerOptionalExample: 10000000

unconfirmedTxApperancesintegerOptionalExample: 1

txApperancesintegerOptionalExample: 5

transactionsstring[]OptionalExample: ["txid1","txid2","txid3"]

get

/addr/{addr}

GET /api/addr/{addr} HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with address data

{
  "addrStr": "znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
  "balance": 10.5,
  "balanceSat": 1050000000,
  "totalReceived": 15.2,
  "totalReceivedSat": 1520000000,
  "totalSent": 4.7,
  "totalSentSat": 470000000,
  "unconfirmedBalance": 0.1,
  "unconfirmedBalanceSat": 10000000,
  "unconfirmedTxApperances": 1,
  "txApperances": 5,
  "transactions": [
    "txid1",
    "txid2",
    "txid3"
  ]
}

Get address balance

get

Returns current balance of an address

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with balance

application/json

stringOptionalExample: 10.5

get

/addr/{addr}/balance

GET /api/addr/{addr}/balance HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with balance

10.5

Get total received by address

get

Returns total amount ever received by an address

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with total received

application/json

stringOptionalExample: 15.2

get

/addr/{addr}/totalReceived

GET /api/addr/{addr}/totalReceived HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with total received

15.2

Get total sent by address

get

Returns total amount ever sent by an address

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with total sent

application/json

stringOptionalExample: 4.7

get

/addr/{addr}/totalSent

GET /api/addr/{addr}/totalSent HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with total sent

4.7

Get unconfirmed balance of address

get

Returns unconfirmed balance (pending transactions) of an address

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with unconfirmed balance

application/json

stringOptionalExample: 0.1

get

/addr/{addr}/unconfirmedBalance

GET /api/addr/{addr}/unconfirmedBalance HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with unconfirmed balance

0.1

Get UTXOs for address

get

Returns unspent transaction outputs (UTXOs) for a given address

Authorizations

api-keystringRequired

Path parameters

addrstringRequired

ZEN address

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with UTXOs

application/json

addressstringOptional

Address owning the UTXO

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

txidstringOptional

Transaction ID

Example: abc123def456abc123def456abc123def456abc123def456abc123def456abc1

voutintegerOptional

Output index

Example: 0

scriptPubKeystringOptional

Script public key in hex

Example: 76a914...88ac

amountnumberOptional

Amount in ZEN

Example: 1.5

satoshisintegerOptional

Amount in satoshis

Example: 150000000

heightintegerOptional

Block height where UTXO was created

Example: 123456

confirmationsintegerOptional

Number of confirmations

Example: 150

404

Address not found

application/json

get

/addr/{addr}/utxo

GET /api/addr/{addr}/utxo HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

[
  {
    "address": "znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
    "txid": "abc123def456abc123def456abc123def456abc123def456abc123def456abc1",
    "vout": 0,
    "scriptPubKey": "76a914...88ac",
    "amount": 1.5,
    "satoshis": 150000000,
    "height": 123456,
    "confirmations": 150
  }
]

Get transactions by block or address

get

Returns transactions filtered by block hash or address

Authorizations

api-keystringRequired

Query parameters

blockstringOptional

Block hash to filter transactions

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

addressstringOptional

Address to filter transactions

Example:

znn1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Responses

200

Successful response with transactions

application/json

pagesTotalintegerOptional

Total number of pages

Example: 5

400

Bad request - either block or address parameter must be provided

application/json

get

/txs

GET /api/txs HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

{
  "pagesTotal": 5,
  "txs": [
    {
      "txid": "abc123def456abc123def456abc123def456abc123def456abc123def456abc1",
      "version": 1,
      "locktime": 0,
      "vin": [
        {}
      ],
      "vout": [
        {}
      ],
      "blockhash": "00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c",
      "blockheight": 123456,
      "confirmations": 150,
      "time": 1614556800,
      "valueOut": 1,
      "size": 250
    }
  ]
}

Get transactions for multiple addresses

get

Returns transactions for multiple comma-separated addresses with pagination

Authorizations

api-keystringRequired

Path parameters

addrsstringRequired

Comma-separated list of ZEN addresses

Example: znn1addr1,znn1addr2,znn1addr3

Query parameters

fromintegerOptional

Start index for pagination (default: 0)

Example: 0

tointegerOptional

End index for pagination (default: 10)

Example: 10

Responses

200

Successful response with transactions

application/json

totalItemsintegerOptional

Total number of transactions

Example: 45

fromintegerOptional

Start index

Example: 0

tointegerOptional

End index

Example: 10

400

Bad request - invalid addresses format

application/json

get

/addrs/{addrs}/txs

GET /api/addrs/{addrs}/txs HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

{
  "totalItems": 45,
  "from": 0,
  "to": 10,
  "items": [
    {
      "txid": "abc123def456abc123def456abc123def456abc123def456abc123def456abc1",
      "addresses": [
        "znn1addr1",
        "znn1addr2"
      ],
      "blockheight": 123456,
      "time": 1614556800,
      "value": 2.5
    }
  ]
}

Get synchronization status

get

Returns blockchain synchronization status and progress

Authorizations

api-keystringRequired

Responses

200

Successful response with sync status

application/json

statusstring · enumOptional

Sync status

Example: syncingPossible values:

blockChainHeightintegerOptional

Current blockchain height

Example: 123456

syncPercentagenumberOptional

Sync progress percentage

Example: 95.5

heightintegerOptional

Current node height

Example: 117890

errorstringOptional

Error message if status is error

typestringOptional

Type of sync

Example: full

get

/sync

GET /api/sync HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with sync status

{
  "status": "syncing",
  "blockChainHeight": 123456,
  "syncPercentage": 95.5,
  "height": 117890,
  "error": null,
  "type": "full"
}

Get peer information

get

Returns information about connected peers

Authorizations

api-keystringRequired

Responses

200

Successful response with peer information

application/json

connectedbooleanOptional

Whether node is connected to peers

Example: true

hoststringOptional

Node host

Example: 127.0.0.1

portintegerOptional

Node port

Example: 9033

versionstringOptional

Node version

Example: v2.0.19

countrystringOptional

Node country

Example: US

get

/peer

GET /api/peer HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

200

Successful response with peer information

{
  "connected": true,
  "host": "127.0.0.1",
  "port": 9033,
  "version": "v2.0.19",
  "country": "US"
}

Get various blockchain status information

get

Returns different types of blockchain status information based on query parameter

Authorizations

api-keystringRequired

Query parameters

qstring · enumRequired

Type of status information to retrieve

Example: getInfoPossible values:

Responses

200

Successful response with status information

application/json

numberOptional

Difficulty value for getDifficulty

Example: 12345.6789

stringOptional

Block hash for getBestBlockHash/getLastBlockHash

Example: 00000000007d7d0c09f7a7b7af7473b2c94f7aa3f937a6baf12c5c5c5c5c5c5c

numberOptional

Total supply for getTotalSupply

Example: 21000000

400

Invalid query parameter

application/json

get

/status

GET /api/status?q=getInfo HTTP/1.1
Host: zen-insight.nownodes.io
api-key: YOUR_API_KEY
Accept: */*

{
  "version": "v2.0.19",
  "protocolversion": 170002,
  "blocks": 123456,
  "timeoffset": 0,
  "connections": 12,
  "proxy": "",
  "difficulty": 12345.6789,
  "testnet": false,
  "relayfee": 0.0001,
  "errors": "",
  "network": "livenet"
}

PreviousValidateaddress

Last updated 3 months ago

hashtagGet block information by hash

hashtagGet block hash by height

hashtagGet raw block data

hashtagGet blocks with pagination and filtering

hashtagGet transaction information

hashtagGet raw transaction data

hashtagGet address information

hashtagGet address balance

hashtagGet total received by address

hashtagGet total sent by address

hashtagGet unconfirmed balance of address

hashtagGet UTXOs for address

hashtagGet transactions by block or address

hashtagGet transactions for multiple addresses

hashtagGet synchronization status

hashtagGet peer information

hashtagGet various blockchain status information

Get block information by hash

Get block hash by height

Get raw block data

Get blocks with pagination and filtering

Get transaction information

Get raw transaction data

Get address information

Get address balance

Get total received by address

Get total sent by address

Get unconfirmed balance of address

Get UTXOs for address

Get transactions by block or address

Get transactions for multiple addresses

Get synchronization status

Get peer information

Get various blockchain status information