# Virtuals Protocol Top of Order Book

> Virtuals Protocol Top of Order Book is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).

Returns the current best bid and ask prices at the top of the order book for Virtuals Protocol (VIRTUAL-USD) from Coinbase Exchange.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/pulse-market-virtuals-protocol-orderbook-top?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/virtuals-protocol-top-of-order-book-1a3d1ed8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_4cHOJ2NTjK1irIA6IRdI7

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 virtuals-protocol-top-of-order-book-1a3d1ed8 -d '<json body>'
```

Example prompt: What's the current top of the order book for Virtuals Protocol — I need the best bid and ask prices for VIRTUAL-USD on Coinbase right now.

## When to prefer this

Use this endpoint when you need a fast, real-time snapshot of the best available bid and ask prices specifically for Virtuals Protocol (VIRTUAL-USD) on Coinbase. Prefer this over full order book depth endpoints when only the top-of-book price levels are needed for quick decision-making or spread analysis.

## Known failure modes

- Invalid product ID returns an error or empty data
- Coinbase Exchange API downtime causes unavailable data
- Network timeouts result in no response
- Malformed product ID string may return a 4xx error
- Payment failure (x402) prevents access to the endpoint

## How this service works

Virtuals Protocol Top of order book: Top of order book for Virtuals Protocol (VIRTUAL-USD) from Coinbase Exchange public USD market data. The product ID can be overridden; data only, not investment advice.

## Output

Returns the top-of-book data for the specified product (default VIRTUAL-USD), including the best bid price, best ask price, and associated quantities from Coinbase Exchange public market data.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/virtuals-protocol-top-of-order-book-1a3d1ed8/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)