Ethereum Exchange Flow Data API: CEX Inflows, Outflows & DEX Swaps

“Exchange flow” means two different products in crypto data. The first is an exchange-wide series: how many coins of an asset moved onto or off all known addresses of an exchange in a period, for every user of that exchange. The second is wallet-level flow: which specific wallets sent coins to an exchange or pulled them off, with the transaction hash. Both are useful; they answer different questions. This page covers what Deep Blue Alpha provides (the second kind, for Ethereum whales), how it compares with metric providers, and how to read it without mislabeling transfers as trades.

Why exchange transfers and DEX swaps must be separate columns

Most whale flow on Ethereum is not trading. In the Oct 16, 2026 sample of tracked-whale moves, 3,517 of 4,536 rows (78%) were exchange deposits or withdrawals and 1,019 (22%) were DEX swaps. Our September 2026 study measured the USD side: about 97% of whale dollar flow was exchange transfers. A coin leaving an exchange for a whale wallet is commonly read as the accumulation side of flow, but it is not a purchase — what happened on the exchange’s own books is not visible on-chain. A feed that adds withdrawals and swaps together as “buying” is answering a question the chain cannot answer.

That is why every Deep Blue Alpha row carries both an action and a venue_type, and every per-token aggregate splits the totals.

What the exchange-flow endpoint returns

GET https://deepbluealpha.io/api/v1/token/{symbol}/flow
X-API-Key: dba_your_key_here

data.windows["24h" | "7d" | "30d"]:
  net_flow_usd, buy_volume_usd, sell_volume_usd, trades, wallets,
  dex_buy_usd, dex_sell_usd, exchange_withdraw_usd, exchange_deposit_usd

buy_volume_usd and sell_volume_usd are the accumulation side (DEX buys plus coins pulled off exchanges) and the distribution side (DEX sells plus coins sent to exchanges). Use the four split fields when you need exchange flow alone. /api/v1/top-tokens?tf=1H|24H|7D ranks tokens by tracked-whale flow, and /api/v1/transactions returns individual moves newest first with cursor pagination.

Wallet-level vs exchange-wide flow providers

How to evaluate an exchange-flow feed

1. Decide whether you need wallet-level rows or per-asset totals. Per-asset exchange netflow series come from metric providers such as CryptoQuant and Glassnode. Rows of individual exchange deposits and withdrawals by named wallets come from a wallet-level feed such as Deep Blue Alpha.
2. Check how deposits and withdrawals are separated from swaps. A withdrawal from an exchange is not a purchase. Make sure the feed labels exchange transfers and DEX swaps separately; Deep Blue Alpha uses CEX_WITHDRAW, CEX_DEPOSIT, SWAP_BUY and SWAP_SELL with a venue_type column.
3. Check whose flow is counted. Exchange-wide flow includes every user of the exchange. Deep Blue Alpha counts moves where the wallet on its side is one of 20,000+ tracked whales, which is a narrower and different question.
4. Check history depth. Deep Blue Alpha keeps tracked-whale moves from Oct 7, 2026; other exchange-flow rows for 30 days. Long backtests need a provider with deeper history.
5. Pull a sample and reconcile it. Load /data/sample.csv, group by token and venue_type, and compare totals with the /api/v1/token/{symbol}/flow windows.

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