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One row per event log, ordered by (block_number, log_index). Select fields under fields.log by the name shown in bold; each comes back under its column name, with the Arrow type shown next to the name. topics (request only) selects topic0–topic3 at once.

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Fields

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UInt64
Number of the block containing the log.Column block_number · JSON number · never null
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UInt32
Position of the log in the block, counting from 0 across all transactions.Column log_index · JSON number · never null
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FixedSizeBinary(32)
Hash of the transaction that emitted the log.Column transaction_hash · JSON hex string · never null
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UInt32
Position of that transaction in the block.Column transaction_index · JSON number · never null
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FixedSizeBinary(20)
Contract that emitted the log. Filterable (address, addressSet).Column address · JSON hex string · never null
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FixedSizeBinary(32)
Event selector: keccak256 of the event signature (or the first indexed argument of an anonymous event). Filterable.Column topic0 · JSON hex string · can be null
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FixedSizeBinary(32)
First indexed argument, 32 bytes (addresses are left-padded). Filterable.Column topic1 · JSON hex string · can be null
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FixedSizeBinary(32)
Second indexed argument. Filterable.Column topic2 · JSON hex string · can be null
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FixedSizeBinary(32)
Third indexed argument. Filterable.Column topic3 · JSON hex string · can be null
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Binary
Non-indexed arguments, ABI-encoded. Empty (0x) when there are none.Column data · JSON hex string · never null
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UInt64
Timestamp of the block (Unix seconds), on every log.Column block_timestamp · JSON number · 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.