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Synapse API — BNB NFT Floor Price
x402
Synapse API — BNB NFT Floor Price is a paid API for AI agents from synapse-api-brown.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).
Returns the current floor price for an NFT collection on the BNB (Binance Smart Chain) network given a contract address.
Price / call$0.01
Success—
StatusUnknown
How this service works
High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.
Output
Returns the current floor price for the specified NFT collection on BNB Chain, typically including the floor price value and denomination (e.g., in BNB or USD).
Example use cases
NFT investment floor check
“What's the floor price right now for the NFT collection at contract 0x5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d4e on BNB chain? I'm thinking about buying in.”
Portfolio floor price tracking
“Can you pull the current floor price for the BNB NFT contract 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b so I can compare it against what I paid last month?”
NFT arbitrage opportunity check
“Check the floor price of the NFT collection with contract address 0xDeAdBeEf0000000000000000000000000000dEaD on Binance Smart Chain — I want to see if it's dropped below 0.5 BNB.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/bnb/nft/floor-price?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time or near-real-time NFT floor price data specifically on the BNB (Binance Smart Chain) network. Prefer it over general NFT marketplaces when building automated agents or bots that need programmatic, pay-per-call access to floor price data without API key management overhead.
Side effects
- Invalid or malformed contract address returns an error
- Contract address does not correspond to an NFT collection on BNB Chain
- Collection has no active listings, making floor price unavailable
- Network or upstream data provider outage causing timeout or empty response
- Payment failure via x402 protocol blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| contractAddress | string |
Tags
x402
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