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/api/v2/lookupBlock RPC Method

Look up block by either seqno, lt or unixtime.

Updated on
Jun 02, 2026

Query Parameters

workchain
integer
REQUIRED

Identifies the workchain

shard
string
REQUIRED

The shard identifier

seqno
integer

The sequence number of the block

lt
integer

The block's logical time

unixtime
integer

The block's unixtime

Returns

ok
boolean

Indicates that the request was successful

result
object

The result object which contains the following fields:

@type
string

The extended block ID object for the latest block

workchain
integer

Indicates the masterchain

shard
string

The shard identifier within the masterchain

seqno
integer

The sequence number of the latest block

root_hash
string

The root hash of the latest block’s state

file_hash
string

The file hash for the latest block

@extra
string

Additional metadata for the response

Request
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