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Synapse API — Sonic NFT Floor Price
x402
Synapse API — Sonic 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 2026-10-16).
Returns the current floor price for an NFT collection on the Sonic blockchain 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 (lowest listing price) for the specified NFT collection on the Sonic blockchain, likely including the price value and denomination/currency unit.
Example use cases
NFT arbitrage opportunity detection
“Check the floor price for the NFT collection at contract 0x4a8f3b2c9d1e7f6a0b5c8d3e2f1a9b7c on Sonic — I want to know if it's dropped below 50 SONIC so I can buy in.”
Portfolio valuation for NFT holdings
“Look up the floor price for the Sonic NFT contract 0x1234567890abcdef1234567890abcdef12345678 so I can estimate the current value of the 5 NFTs I hold from that collection.”
NFT floor price alert monitoring
“Fetch the floor price for the NFT collection at contract 0xdeadbeef1234567890abcdef1234567890abcdef on Sonic — I'm tracking it daily to set up a price alert when it hits a new all-time low.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/sonic/nft/floor-price?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need NFT floor price data on the Sonic blockchain network. It is purpose-built for Sonic chain NFTs and is pay-per-call at $0.01 USDC, making it cost-effective for spot lookups. Prefer this over generic multi-chain NFT APIs when Sonic network coverage is confirmed and you only need floor price (not full collection analytics or sales history).
Side effects
- Invalid or malformed contract address returns an error
- Contract address not found on Sonic network returns empty or 404-like response
- Collection has no active listings so floor price is unavailable
- Network congestion or RPC issues may cause timeouts
- Incorrect network — contract exists on different chain, not Sonic
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| contractAddress | string |
Tags
x402
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