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GET
/
getBlockHeader
Get block header metadata
curl --request GET \
  --url https://toncenter.com/api/v2/getBlockHeader
{
  "ok": true,
  "result": {
    "@type": "blocks.header",
    "id": {
      "@type": "ton.blockIdExt",
      "workchain": -1,
      "shard": "-9223372036854775808",
      "seqno": 1,
      "root_hash": "8GYhhrigd8CwZGrRT59iulLDcgiTYuvOAzFJxugc0Ts=",
      "file_hash": "V+XzykEwun4yePZhAEPZk77RbMfMOgS/S4GiJkSKY6s="
    },
    "global_id": -239,
    "version": 0,
    "after_merge": false,
    "after_split": false,
    "before_split": false,
    "want_merge": false,
    "want_split": false,
    "validator_list_hash_short": -1447544682,
    "catchain_seqno": 0,
    "min_ref_mc_seqno": 1,
    "is_key_block": false,
    "prev_key_block_seqno": 0,
    "start_lt": "1000000",
    "end_lt": "1000012",
    "gen_utime": 1573822385,
    "prev_blocks": [
      {
        "@type": "ton.blockIdExt",
        "workchain": -1,
        "shard": "-9223372036854775808",
        "seqno": 0,
        "root_hash": "F6OpKZKqvqeFp6CQmFomXNMfMj2EnaUSOXN+Mh+wVWk=",
        "file_hash": "XplPz01CXAps5qeSWUtxcyBfdAo5zVb1N979KLSKD24="
      }
    ],
    "@extra": "1755814930.1088252:0:0.1467032130574265"
  }
}

Query Parameters

​
workchain
integer
required
​
shard
integer
required
​
seqno
integer
required
​
root_hash
string
​
file_hash
string

Response

Successful Response

​
ok
boolean
required
​
result
object

Header information of the specified block.

​
error
string
​
code
integer
⌘I