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Optimism Top of Order Book
x402
Optimism 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 2026-10-02).
Returns the best (top-level) bid and ask prices from the Coinbase Exchange public order book for the OP-USD trading pair.
Price / call$0.01
Success—
StatusUnknown
How this service works
Optimism Top of order book: Return the best bid and ask levels from the public order book. Coinbase Exchange public USD market data; not investment advice.
Output
Returns the single best bid price and quantity and the single best ask price and quantity from the live Coinbase Exchange OP-USD order book, representing the tightest available quotes at the time of request.
Example use cases
Real-time Optimism price check
“What's the current best bid and ask for OP-USD? I want to know what price I could buy or sell Optimism at right now.”
Algorithmic trading entry signal
“Fetch the top of the OP-USD order book so I can check whether the best ask is below $2.50 before placing a trade.”
Spread monitoring for arbitrage
“Get me the current best bid and best ask for Optimism on the OP-USD market — I want to see how tight the spread is at this moment.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-market-optimism-orderbook-top?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a lightweight, low-cost snapshot of the current best bid/ask for OP-USD without fetching the full order book depth. It is ideal for quick price checks, spread monitoring, or triggering alerts based on top-of-book quotes for the Optimism token specifically.
Side effects
- Invalid product ID returns an error or empty response
- Market temporarily unavailable due to Coinbase Exchange downtime
- Network timeout if the endpoint is under load
- Payment failure if the $0.01 USDC x402 payment is not properly submitted
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| product | string | Coinbase USD product ID; defaults to OP-USD. |
Tags
x402
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