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Arkham x402 Entity Flow Data
x402
Arkham x402 Entity Flow Data is a paid API for AI agents from api.arkm.com, paid per call via x402, $0.6/call, status unknown (last checked 2026-09-14).
Returns time-series inflow and outflow fund flow data for a named blockchain entity across Bitcoin, Ethereum, and other chains.
Price / call$0.6
Success—
StatusUnknown
How this service works
Get Arkham historical USD flows for an entity. $0.60 per call.
Output
A JSON object keyed by blockchain (e.g. 'bitcoin', 'ethereum'), each containing an array of daily data points with fields: time (ISO timestamp), inflow (USD), outflow (USD), cumulativeInflow (USD), and cumulativeOutflow (USD).
Example use cases
Exchange capital flow monitoring
“Show me the daily inflow and outflow for Coinbase on Ethereum over the past two weeks — I want to see if there have been any unusual spikes in withdrawals.”
Entity net flow trend analysis
“Get me the cumulative inflow and outflow for Jump Trading across Bitcoin and Ethereum since the start of 2023 so I can analyze their net capital position over time.”
Crypto market stress detection
“Fetch the fund flow time series for Binance for January 2022 on both Bitcoin and Ethereum — I'm trying to see if there were signs of capital flight during that period.”
Technical details
Endpoint
POSThttps://api.arkm.com/x402/flow/entityWhen to prefer
Use this endpoint when you need time-series fund flow data (inflow/outflow) for a specific named on-chain entity (exchange, fund, protocol) across multiple chains. Prefer it over generic blockchain explorers when you need entity-level aggregation with Arkham's labeling, or when you need cumulative flow metrics rather than raw transaction data.
Side effects
- Unknown entity name returns empty arrays or 404
- Invalid time range returns error or empty data
- Payment failure (insufficient USDC) returns 402 with payment requirements
- Unsupported chain returns missing key in response
- Rate limiting if too many pay-per-request calls in quick succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chains | — | Chains to filter by, as a single comma-separated value (e.g. 'ethereum,bitcoin'). If omitted, returns data across all s… |
| entity | — | The entity ID to query flow data for. |
Output
Schema · Response
{
"type": "json",
"example": {
"bitcoin": [
{
"time": "2022-01-21T00:00:00Z",
"inflow": 6565472523.45,
"outflow": 6632247150.18,
"cumulativeInflow": 905891016225.6692,
"cumulativeOutflow": 889779478783.3397
},
{
"time": "2022-01-22T00:00:00Z",
"inflow": 528887137.66,
"outflow": 660515462.75,
"cumulativeInflow": 912456488749.1191,
"cumulativeOutflow": 896411725933.5198
}
],
"ethereum": [
{
"time": "2022-01-08T00:00:00Z",
"inflow": 1588990961.6,
"outflow": 1499520350.86,
"cumulativeInflow": 1425833420702.87,
"cumulativeOutflow": 1396841791568.538
},
{
"time": "2022-01-09T00:00:00Z",
"inflow": 1370833866.45,
"outflow": 1438004592.65,
"cumulativeInflow": 1427422411664.47,
"cumulativeOutflow": 1398341311919.398
}
]
}
}Tags
x402
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