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/extended/v1/block/{hash} REST API Endpoint

Retrieves block details of a specific block for a given chain height.

Updated on
Jun 13, 2025

Path Parameters

hash
Required

Hash of the block.

Returns

object
array

A block

canonical
boolean

Set to true if the block corresponds to the canonical chain tip.

height
integer

Height of the block.

hash
string

Hash representing the block.

parent_block_hash
string

Hash of the parent block.

burn_block_time
number

Unix timestamp (in seconds) indicating when this block was mined.

burn_block_time_iso
string

An ISO 8601 timestamp indicating when this block was mined (YYYY-MM-DDTHH:mm:ss.sssZ).

burn_block_hash
string

Hash of the anchor chain block.

burn_block_height
integer

Height of the anchor chain block.

miner_txid
string

Anchor chain transaction ID.

parent_microblock_hash
string

The hash of the last streamed block that precedes this block to which this block is to be appended. Empty string if no parent microblock stream exists.

parent_microblock_sequence
integer

The sequence number of the last streamed block that precedes this block to which this block is to be appended. -1 if no parent microblock stream exists.

txs
array

List of transactions included in the block.

microblocks_accepted
array

List of microblocks that were accepted in this anchor block. Does not include orphaned microblocks.

microblocks_streamed
array

List of microblocks that were streamed/produced by this anchor block's miner. Only includes microblocks accepted in the following anchor block. Does not include orphaned microblocks.

execution_cost_read_count
integer

Execution cost read count.

execution_cost_read_length
integer

Execution cost read length.

execution_cost_runtime
integer

Execution cost runtime.

execution_cost_write_count
integer

Execution cost write count.

execution_cost_write_length
integer

Execution cost write length.

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