# Ethereum Name Service (ENS-USD) Bid-Ask Spread Check

> Ethereum Name Service (ENS-USD) Bid-Ask Spread Check is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns the current bid-ask spread for the ENS-USD trading pair from Coinbase Exchange public market data.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-market-ens-spread-check?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ethereum-name-service-ens-usd-bid-ask-spread-check-2e64f923
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YAq7kU8ArkKAuRh-mdfSP

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 ethereum-name-service-ens-usd-bid-ask-spread-check-2e64f923 -d '<json body>'
```

Example prompt: What's the current bid-ask spread for ENS-USD on Coinbase right now?

## When to prefer this

Use this endpoint when you need a quick, real-time bid-ask spread check for ENS-USD (or another Coinbase USD pair) without setting up a full Coinbase API integration. It is ideal for lightweight agent workflows that need to assess liquidity or spread width before executing a trade, and when paying per-call via x402 is acceptable.

## Known failure modes

- Invalid or unsupported Coinbase product ID returns an error or empty response
- Coinbase Exchange API downtime causes data unavailability
- Network timeout if the upstream data feed is slow
- Stale data if the market is illiquid or the feed hasn't updated recently

## How this service works

Ethereum Name Service Bid-ask spread check: Bid-ask spread check for Ethereum Name Service (ENS-USD) from Coinbase Exchange public USD market data. The product ID can be overridden; data only, not investment advice.

## Output

Returns the current bid price, ask price, and computed bid-ask spread for the ENS-USD (or overridden) trading pair sourced from Coinbase Exchange public market data. Intended for informational purposes only, not investment advice.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "product": {
   "type": "string",
   "default": "ENS-USD",
   "description": "Coinbase USD product ID; defaults to ADA-USD."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ethereum-name-service-ens-usd-bid-ask-spread-check-2e64f923/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)