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Optimism Bid-Ask Spread Check
x402
Optimism 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 2026-10-02).
Calculates the latest absolute and percentage bid-ask spread for the OP-USD (Optimism) market using Coinbase Exchange public data.
Price / call$0.01
Success—
StatusUnknown
How this service works
Optimism Bid-ask spread check: Calculate the latest absolute and percentage bid-ask spread. Coinbase Exchange public USD market data; not investment advice.
Output
Returns the current absolute bid-ask spread (in USD) and the percentage bid-ask spread for the specified Coinbase USD product (defaulting to OP-USD), derived from the latest public order book data on Coinbase Exchange.
Example use cases
Pre-trade liquidity check for OP
“Before I put in a large order for Optimism, can you check the current OP-USD bid-ask spread so I know how much slippage to expect?”
Spread monitoring for trading bot
“Check the OP-USD bid-ask spread right now and tell me both the absolute spread and the percentage — I want to know if it's tight enough to execute a trade.”
Market health snapshot for DeFi portfolio
“Can you pull the latest bid-ask spread for OP-USD on Coinbase and tell me if the market looks liquid today?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-market-optimism-spread-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need real-time bid-ask spread metrics (both absolute and percentage) for the OP-USD pair on Coinbase Exchange. Prefer this over general market data endpoints when spread/liquidity analysis is the primary goal rather than price or volume alone.
Side effects
- Invalid product ID returns an error or empty result
- Coinbase Exchange API downtime causes data unavailability
- Non-USD product pairs may not be supported
- Stale data if order book hasn't updated recently
- Payment failure for the $0.01 USDC x402 charge blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| product | string | Coinbase USD product ID; defaults to OP-USD. |
Tags
x402
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