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Synapse API — NFT Floor Price on Ink Chain
x402
Synapse API — NFT Floor Price on Ink Chain 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 2026-09-15).
Returns the current floor price for an NFT collection on the Ink blockchain 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 contract on the Ink blockchain, likely including the price value and denomination/currency used for listings.
Example use cases
NFT Investment Research on Ink
“Can you check the floor price for the NFT collection at contract 0x1234567890abcdef1234567890abcdef12345678 on Ink chain? I'm trying to decide if it's worth buying in.”
Portfolio Valuation for Ink NFTs
“I hold several NFTs from the contract 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef on Ink — what's the current floor price so I can estimate the minimum value of my holdings?”
NFT Price Alert Monitoring
“Check the floor price of the NFT project at contract address 0xabcdefabcdefabcdefabcdefabcdefabcdefabcd on Ink and let me know if it's dropped below 0.5 ETH.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/ink/nft/floor-priceWhen to prefer
Use this endpoint when you specifically need NFT floor price data on the Ink blockchain network. It is pay-per-call at $0.01 USDC via x402, making it cost-effective for one-off lookups. Prefer this over generic NFT marketplaces when you need programmatic, agent-accessible floor price data on Ink-native collections.
Side effects
- Invalid or malformed contract address returns an error
- Contract address not found on Ink network returns no data or 404
- Collection has no active listings, resulting in null or zero floor price
- Network or RPC issues causing timeout or 503 response
- Payment failure via x402 protocol causing 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| contractAddress | string |
Tags
x402
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