# The Sandbox (SAND-USD) Bid-Ask Spread Check

> The Sandbox (SAND-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 2026-10-14).

Retrieves the current bid-ask spread for The Sandbox (SAND-USD) from Coinbase Exchange public USD market data.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-market-sandbox-spread-check?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-sandbox-sand-usd-bid-ask-spread-check-a0fb23c2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_u8ZJ_ZzY7m24_DbXp3xVW

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 the-sandbox-sand-usd-bid-ask-spread-check-a0fb23c2 -d '<json body>'
```

Example prompt: What's the current bid-ask spread for The Sandbox token on Coinbase — pull the live SAND-USD market data and tell me how wide the spread is right now.

## When to prefer this

Use this endpoint when you specifically need bid-ask spread data for The Sandbox (SAND) from Coinbase's public USD markets. It is ideal for lightweight, per-call liquidity checks without needing a full exchange API integration. Prefer this over broader market data APIs when you want a simple, pay-per-use spread snapshot for SAND-USD or another Coinbase USD pair.

## Known failure modes

- Invalid product ID returns an error indicating the pair does not exist on Coinbase
- Coinbase Exchange API downtime may result in stale or unavailable data
- Network timeouts or service unavailability at market.datapackvibe.com
- Malformed product string (e.g. missing '-USD') causes a lookup failure

## How this service works

The Sandbox Bid-ask spread check: Bid-ask spread check for The Sandbox (SAND-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 derived bid-ask spread for the SAND-USD trading pair (or another specified Coinbase USD product) sourced from Coinbase Exchange public market data. Data is informational only and not investment advice.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-sandbox-sand-usd-bid-ask-spread-check-a0fb23c2/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)