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Arkham Intelligence – Wallet Balance History by Address
x402
Arkham Intelligence – Wallet Balance History by Address is a paid API for AI agents from api.arkm.com, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).
Returns daily USD balance history for a blockchain address across multiple chains (e.g. Ethereum, BSC)
Price / call$0.2
Success—
StatusUnknown
How this service works
Get Arkham historical data for an address. $0.20 per call.
Output
A JSON object keyed by blockchain name (e.g. 'ethereum', 'bsc'), each containing an array of daily balance snapshots with a USD value and ISO 8601 timestamp. For example: {"ethereum": [{"usd": 2524608983.37, "time": "2023-11-29T00:00:00Z"}, ...], "bsc": [...]}
Example use cases
Whale wallet portfolio tracking
“Show me the daily USD balance history for wallet 0xBE0eB53F46cd790Cd13851d5EFf43D12404d33E8 on Ethereum going back to November 2023 — I want to see how the holdings changed week by week.”
Due diligence on a DeFi counterparty
“I need to audit the historical on-chain balance of 0x3f5CE5FBFe3E9af3971dD833D26bA9b5C936f0bE across Ethereum and BSC — can you pull the daily USD values from Arkham for the last 60 days?”
Investigating suspicious wallet activity
“Look up the balance history on Arkham for wallet address 0x28C6c06298d514Db089934071355E5743bf21d60 — I want to see if there were any big spikes or drops in USD value on Ethereum around December 2023.”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/history/addressWhen to prefer
Choose this endpoint when you need time-series USD balance history for a specific wallet address across one or more EVM-compatible chains. It is ideal for portfolio audits, whale tracking, due diligence investigations, or detecting unusual balance movements. Prefer this over generic block explorers when you want aggregated multi-chain USD valuations in a single structured response. Use Arkham specifically when on-chain identity intelligence and labeled address data is important context.
Side effects
- Invalid or malformed wallet address returns an error or empty result
- Address with no on-chain activity returns empty arrays
- Unsupported chain identifier causes missing data or error
- Insufficient USDC balance for x402 payment results in 402 Payment Required response
- Rate limiting or authentication failure if API key is invalid
- Date range with no data returns empty arrays for the requested period
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chains | — | Chains to filter by, as a single comma-separated value (e.g. 'ethereum,bsc'). If omitted, returns data across all suppo… |
| address | — | The blockchain address to query historical data for. |
Output
Schema · Response
{
"type": "json",
"example": {
"bsc": [
{
"usd": 2844820.37,
"time": "2023-12-13T00:00:00Z"
},
{
"usd": 3174696.58,
"time": "2023-12-14T00:00:00Z"
}
],
"ethereum": [
{
"usd": 2524608983.37,
"time": "2023-11-29T00:00:00Z"
},
{
"usd": 2535428111.78,
"time": "2023-11-30T00:00:00Z"
}
]
}
}Tags
x402
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