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One row per block header, ordered by number. See Blocks for when block rows are returned. Select fields under fields.block by the name shown in bold; each comes back under its column name, with the Arrow type shown next to the name.

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Fields

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UInt64
Block number.Column number · JSON number · never null
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FixedSizeBinary(32)
Block hash.Column hash · JSON hex string · never null
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FixedSizeBinary(32)
Hash of the parent block.Column parent_hash · JSON hex string · never null
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UInt64
Block timestamp, Unix seconds.Column timestamp · JSON number · never null
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UInt64
Block size in bytes.Column size · JSON number · never null
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UInt64
Total gas used by the block’s transactions.Column gas_used · JSON number · never null
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UInt64
Block gas limit.Column gas_limit · JSON number · never null
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FixedSizeBinary(16)
EIP-1559 base fee; null before London.Column base_fee_per_gas · JSON decimal string · can be null
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FixedSizeBinary(32)
State trie root.Column state_root · JSON hex string · never null
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FixedSizeBinary(32)
Transactions trie root.Column transactions_root · JSON hex string · never null
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FixedSizeBinary(32)
Receipts trie root.Column receipts_root · JSON hex string · never null
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FixedSizeBinary(256)
Bloom filter of the block’s logs, 256 bytes.Column logs_bloom · JSON hex string · never null
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FixedSizeBinary(16)
Proof-of-work difficulty; 0 after the Merge.Column difficulty · JSON decimal string · can be null
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FixedSizeBinary(16)
Cumulative difficulty. No client sends it any more, so it is unavailable on every chain served.Column total_difficulty · JSON decimal string · can be null
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FixedSizeBinary(20)
Fee recipient (coinbase).Column miner · JSON hex string · never null
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FixedSizeBinary(8)
Proof-of-work nonce, 8 bytes.Column nonce · JSON hex string · can be null
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FixedSizeBinary(32)
Hash of the uncles list.Column sha3_uncles · JSON hex string · never null
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List<FixedSizeBinary(32)>
Uncle block hashes.Column uncles · JSON array · never null
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FixedSizeBinary(32)
Mix hash (prevRandao after the Merge).Column mix_hash · JSON hex string · can be null
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Binary
Extra data set by the block producer.Column extra_data · JSON hex string · never null
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FixedSizeBinary(32)
Withdrawals trie root (Shanghai+).Column withdrawals_root · JSON hex string · can be null
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List<Struct<index: UInt64, validator_index: UInt64, address: FixedSizeBinary(20), amount: UInt64>>
Validator withdrawals (Shanghai+): {index, validator_index, address, amount} entries, amount in gwei.Column withdrawals · JSON array · can be null
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UInt64
Blob gas used by the block (Cancun+).Column blob_gas_used · JSON number · can be null
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UInt64
Excess blob gas (Cancun+).Column excess_blob_gas · JSON number · can be null
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FixedSizeBinary(32)
Parent beacon block root (Cancun+).Column parent_beacon_block_root · JSON hex string · can be null
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FixedSizeBinary(32)
EIP-7685 requests hash (Prague+).Column requests_hash · JSON hex string · can be null

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Arbitrum fields

Filled on Arbitrum chains only; null (and listed in unavailable_fields) elsewhere. Served chains: Robinhood Chain.
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UInt64
Arbitrum: the L1 block number.Column l1_block_number · JSON number · can be null
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UInt64
Arbitrum: number of L2-to-L1 messages so far.Column send_count · JSON number · can be null
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FixedSizeBinary(32)
Arbitrum: root of the L2-to-L1 message accumulator.Column send_root · JSON hex string · can be null

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Availability per chain

Which of these a chain fills is on its chain page and in GET /v1/schema.