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Discovery and markets API

What large transfers just moved on this chain, and between whom?

The biggest on-chain transfers on one chain, newest first: the asset, how much, its USD value and the exchange or treasury on each side where the source can name it.

GET/api/external/discovery/whale-transfers/{chain}
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What it returns

The largest transfers the source has seen on this chain, newest first, with the parties it could label. The floor is the source's own, about 10 M USD — nothing smaller is published here at any setting. The window is a fixed count of transfers ACROSS EVERY CHAIN the source watches and cannot be paged, so windowOldestAt comes back with every answer: it is the oldest transfer the source still publishes, and a since below it was NOT answered in full. A busy day elsewhere shortens the window for this chain too. About a day of transfers was covered when measured. fromLabel and toLabel are LABELS, not addresses: no address is published on this resource, and both are null on most sides because the source labels only the parties it knows. txHash is NOT unique — one transaction can carry several legs, each its own row. amountUsd is the source's valuation at the time, so it is an estimate; amount is what actually moved.

Chains

  • Solana SOL
  • Ethereum ETH

Request

Send your key in the x-dex-data-key header. Replace each <placeholder> with a real value.

curl -H "x-dex-data-key: $DEXDATA_API_KEY" \
  "https://api.dexdata.io/api/external/discovery/whale-transfers/SOL"
Parameters
ParameterDescription
since

query · integer · optional

Keep only transfers at or after this instant, in unix seconds. Compare it against windowOldestAt to know whether the window reached that far back.
minUsd

query · integer · optional

Keep only transfers the source valued at or above this many USD.
limit

query · integer · optional

How many transfers to return, 1 to 1000. Defaults to 50. The cap is the whole window: one request costs one upstream call whatever the limit. limit ≤ 125 keeps the answer under 32 KB.
chain

path · string · required

ETH or SOL. BNB, BASE, STABLE, RHC and ARC all return 400: the feed this resource reads filed no transfer under them when measured. CELO, ARB, OP and SCROLL return 400 here.

Response fields

A JSON response. Every field is always present; null means the value could not be established, never zero.

Response fields of What large transfers just moved on this chain, and between whom?
FieldTypeDescription
chainstringThe chain the transfers are on.
matchedintegerHow many transfers on this chain matched the filters, before limit trimmed them.
totalUsdnumberThe USD across every match, as the source valued each transfer. 0 when nothing matched: every transfer carries a value, so this sum is never unknown.
windowOldestAtintegerThe oldest transfer the source still publishes, on ANY chain, in Unix SECONDS — the floor of what is knowable here. Always present: an empty window is treated as a failure, not as "nothing moved".
transfersobject[]Newest first, capped by limit.
transfers[].txHashstringThe transaction's hash. NOT a unique key for a row: one transaction can carry several legs, and each leg is its own transfer here.
transfers[].atintegerThe block's time, in Unix SECONDS. This is the feed's order.
transfers[].blockHeightintegerThe block the transfer was mined in.
transfers[].assetSymbolstringThe asset's ticker as the source writes it.
transfers[].amountnumberHow much of the asset moved.
transfers[].amountUsdnumberWhat the source valued the transfer at, in USD, at the time it saw it. The quantity is what moved; this is an estimate of what it was worth.
transfers[].fromLabelstring | nullThe sending party as the source labels it (Binance, Tether Treasury, Wintermute, …). null when it has no label for the address — which is the majority of sides.
transfers[].toLabelstring | nullThe receiving party, labelled the same way; null when unlabelled.

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