api.chainmarket-api.workers.dev

https://api.chainmarket-api.workers.dev/api/crypto/nft-floor-wash-detector

ERC-721 collection activity on Ethereum from Blockscout: name, holder count, supply and the newest 50 transfers, with round-trip transfers (a token sent A to B and straight back to A) flagged as possible wash signals. No sale prices, floor price or royalties: this source does not provide them.

last updated: Oct 23, 2026 · type: http · x402 v2

Payment Options

NetworkSchemeAmountPay To
Baseexact$0.002000 USDC0xb849...eAfA
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpexact0.00 tokensJ8vnmB...RdhR
eip155:5042exact0.00 tokens0xa475...9be3
Polygonexact$0.002000 USDC0xb849...eAfA
Arbitrum Oneexact$0.002000 USDC0xb849...eAfA
eip155:143exact0.00 tokens0xb849...eAfA
eip155:480exact0.00 tokens0xb849...eAfA
Optimismexact$0.002000 USDC0xb849...eAfA
Celoexact0.00 tokens0xb849...eAfA
xrpl:0exact0.002rDxNZC...f8UJ
xrpl:0exact0.00 tokensrDxNZC...f8UJ

Try It

Resource Activity

via Bazaar · last 30 days
Calls
2
Unique Payers
2
Last Called
Oct 23, 2026