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Last updated on January 1, 1970

1 min read

Method /lookupBlock Ton (TON)
connect with JSON-RPC protocol



Look up block by either seqno, lt or unixtime.


workchain - query

required, integer

block workchain id

shard - query

required, integer

block shard id

seqno - query

optional, integer

block height

lt - query

optional, integer

block's Logical time

unixtime - query

optional, integer

block's unix time


curl --location --request GET '' 
--header 'x-api-key: YOUR-API-KEY' 
--header 'Content-Type: application/json'


    "ok": true,
    "result": {
        "@extra": "1687338545.5527961:2:0.1486653485640057",
        "@type": "ton.blockIdExt",
        "file_hash": "t81TFPL17RLgqteZsYf64yY2EX18p/V5f3Z9itK1DrA=",
        "root_hash": "2a8ZfAc+YN+hWDxtnlj+lsmPxDljA1ur8XVvL52UB2s=",
        "seqno": 30497145,
        "shard": "-9223372036854775808",
        "workchain": -1
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