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Phantom API — Optimism NFT Floor Price
x402
Phantom API — Optimism NFT Floor Price is a paid API for AI agents from phantom-api-omega.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the current floor price for a given NFT collection contract on the Optimism network
Price / call$0.01
Success—
StatusUnknown
How this service works
Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.
Output
Returns the current floor price for the specified NFT collection on Optimism, likely including the price value in ETH or relevant token denomination, sourced directly from on-chain data.
Example use cases
NFT portfolio floor price tracking
“What's the floor price right now for the NFT collection at contract 0xAbCdEf1234567890 on Optimism? I want to know if it's dropped below my buy-in price.”
NFT arbitrage opportunity detection
“Can you check the floor price for the Optimism NFT collection at contract 0xDeAdBeEf00001234? I'm comparing prices across chains to spot an arbitrage opportunity.”
NFT collection valuation for a report
“I need the current floor price for the NFT project at Optimism contract address 0x9999AAAAbbbbCCCC — I'm putting together a market overview and need the latest on-chain data.”
Technical details
Endpoint
POSThttps://phantom-api-omega.vercel.app/api/optimism/nft/floor-priceWhen to prefer
Choose this endpoint when you need real-time, on-chain NFT floor price data specifically for the Optimism Layer 2 network. It is ideal for agents monitoring NFT collections, evaluating portfolio value, or comparing prices across chains. Prefer this over generic NFT APIs when Optimism-specific data is required and pay-per-call pricing is acceptable.
Side effects
- Invalid or non-existent contract address returns an error or empty result
- Contract address exists but has no active listings, resulting in a null floor price
- Network issues or Optimism RPC downtime causing request failure
- Malformed contract address format causing a validation error
- Payment failure via x402 preventing the call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| contractAddress | string |
Tags
x402
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