# Hyperliquid Smart Money Data API – Coverage Probe

> Hyperliquid Smart Money Data API – Coverage Probe is a paid API for AI agents from whaletape.xyz, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Returns metadata about how many markets, asset classes, and historical date ranges are tracked before committing to a paid data purchase

## Facts

- Endpoint: GET https://whaletape.xyz/coverage
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/hyperliquid-smart-money-data-api-coverage-probe-ab92a659
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qQQ4E0kvay0Tc_A6-DIWQ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability hyperliquid-smart-money-data-api-coverage-probe-ab92a659
```

Example prompt: Before I pay for the full whale position data, check whaletape's coverage endpoint to see how many markets they track, which asset classes are included, and how far back their history goes.

## When to prefer this

Use this endpoint as a low-cost ($0.001 USDC) first step before calling any paid whaletape data series. It is ideal when you need to verify that a specific market or date range is tracked before committing to a more expensive query. Prefer this over the full market snapshot or historical series endpoints when you only need catalog-level metadata, not actual price or position data.

## Known failure modes

- HTTP 402 if payment header is missing or invalid
- HTTP 500 if the coverage service is temporarily unavailable
- Empty or partial response if catalog metadata is not yet initialized
- Stale coverage counts if the underlying market index has not been refreshed recently

## How this service works

What history exists before you pay for it: how many markets we track, which asset classes, and the range covered. The cheap probe that tells an agent whether the paid series is worth buying

## Output

Returns a summary of the data catalog: total number of markets tracked (e.g. 320+), the asset classes available, and the time range of historical data held — allowing the caller to assess whether the paid series meets their needs before purchasing.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "last_ts": 1788010000,
  "symbols": 320,
  "first_ts": 1787400000,
  "asset_classes": [
   "commodity",
   "crypto",
   "equity",
   "fx",
   "index"
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/hyperliquid-smart-money-data-api-coverage-probe-ab92a659/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from whaletape.xyz](https://www.zero.xyz/host/whaletape.xyz/llms.txt)