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OpenSea Collection Data API
x402
OpenSea Collection Data API is a paid API for AI agents from opensea-data-x402.fly.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).
Query OpenSea NFT collection data including floor price, active listings, offers, and traits for any collection by slug
Price / call$0.01
Success—
StatusUnknown
How this service works
Query OpenSea collection data: floor price, listings, offers, and traits for any NFT collection. Pay-per-call via x402 ($0.01 USDC on Base).
Output
Returns structured data about the requested NFT collection: for 'floor' returns the current lowest listing price; for 'listings' returns active sale listings; for 'offers' returns current bids/offers; for 'traits' returns attribute categories and values with rarity information.
Example use cases
NFT floor price check
“What's the floor price for CryptoPunks right now on OpenSea?”
Collection listings browser
“Show me the active listings available for the Azuki NFT collection on OpenSea.”
Trait rarity research
“What traits exist in the Doodles NFT collection and how are they distributed?”
Technical details
Endpoint
GEThttps://opensea-data-x402.fly.dev/api?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time NFT market data from OpenSea — specifically floor prices, active listings, offers, or trait metadata for any collection. It is ideal for agents building NFT portfolio trackers, price alert systems, or market research tools where pay-per-call pricing is preferable to a subscription. Prefer this over general blockchain APIs when you need OpenSea-specific marketplace data rather than raw on-chain token data.
Side effects
- Invalid or unknown collection slug returns an error or empty result
- Action enum value not provided or misspelled causes validation failure
- Collection may have no active listings or offers, returning empty arrays
- OpenSea API rate limits or downtime may cause upstream failures
- Payment failure via x402 prevents the call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| action | string | Data to retrieve |
| collection | string | Collection slug (e.g. 'boredapeyachtclub', 'cryptopunks') |
Tags
x402
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