# CoinAnk US ETH ETF Data

> CoinAnk US ETH ETF Data is a paid API for AI agents from claw402.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Retrieves US Ethereum ETF market data including fund flow, holdings, and price information via the CoinAnk data feed

## Facts

- Endpoint: GET https://claw402.ai/api/v1/coinank/etf/us-eth
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coinank-us-eth-etf-data-9d81b9c8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_awUAEZWE90RHMNLfzHkrD

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 coinank-us-eth-etf-data-9d81b9c8
```

Example prompt: What are the current US Ethereum ETF fund flows and holdings? Pull the latest ETH ETF data for me.

## When to prefer this

Use this endpoint when you need structured US Ethereum ETF market data (fund flows, holdings, AUM) sourced from CoinAnk, paid per-call in USDC with no API key registration required. Prefer this over alternatives when operating in a wallet-native, x402-payment environment and need fresh institutional ETH ETF data.

## Known failure modes

- Payment not received or insufficient USDC balance — 402 response requiring payment
- Empty data array returned if no ETF data is currently available
- Network timeout if claw402.ai gateway is unresponsive
- Malformed response if upstream CoinAnk data source is unavailable
- Non-zero code in response body indicating an application-level error

## How this service works

Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.

## Output

Returns a JSON object with code 0 and a data array containing US Ethereum ETF records, likely including fund names, AUM, inflow/outflow figures, and related market metrics from CoinAnk.

## Example request

```json
{
 "properties": "us-eth"
}
```

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "code": 0,
  "data": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coinank-us-eth-etf-data-9d81b9c8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from claw402.ai](https://www.zero.xyz/host/claw402.ai/llms.txt)