Wallets API

A wallet's native balance at a specific past block

What a wallet's native-currency balance was at one specific historical block, in raw base units (the slot on SOL). ETH, BNB, BASE, STABLE, SOL.

GET/api/external/wallet-analysis/wallet-balance-at-block/{chain}/{address}

Get a free API key Try it in the API reference

Chains

Solana SOL
BNB Chain BNB
Ethereum ETH
Stable STABLE
Base BASE

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/wallet-analysis/wallet-balance-at-block/SOL/<address>?block=<block>"

Parameters
Parameter	Description
`block` query · integer · required	The block number to read the native balance at — on SOL, the slot.
`chain` path · string · required	The chain the wallet address belongs to. ETH, BNB, BASE, STABLE and SOL are served; RHC and ARC return 400. CELO, ARB, OP and SCROLL return 400 here.
`address` path · string · required	The wallet address.

Response fields

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

Response fields of A wallet's native balance at a specific past block
Field	Type	Description
`nativeBalanceRaw`	string \| null	RAW base units (wei; lamports on SOL) at the requested block, as a decimal string, or null when the block could not be resolved (past the chain head, or otherwise unresolvable). Never decimalized: no decimals count is published for the native coin on this path.

Price per call

Solana: 201 credits
BNB Chain, Ethereum, Stable, Base: 14 credits

Charged only when the call succeeds. Prices as of 2026-10-30; the current ones are always in the API reference.

A wallet's own raw account record
The same wallet's CURRENT native balance, decimalized, instead of a past block.
Wallet balance history over time
A USD-total series over calendar dates, not a native balance at one block.
A wallet's balance of one token at a specific past block
The same past-block question for the NATIVE coin rather than a token.
Wallet transaction ledgers
A wallet's own normal and internal transaction ledgers in a window — native-currency moves and contract calls, not swaps. Different from wallet activity, which reports only trade (swap) events.
Which transactions went between these two addresses?
The transactions a wallet sent to one counterparty, received from it, or both, newest first, found however many other transactions either side has.
Which NFTs a wallet bought or sold
A wallet's NFT marketplace trades: what it bought or sold, at what price, on which marketplace, and when. Not what it currently holds. ETH only.

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