

| Parameter | Type | Description |
|---|---|---|
chain* | string | Chain identifier (e.g. ethereum, base, polygon, arbitrum, optimism) |
tokenId* | string | Token id as a decimal string (supports tokenIds beyond 2^53) |
contractAddress* | string | 0x-prefixed 42-character contract address |
| Parameter | Type | Description |
|---|---|---|
low* | object | Fields: usd, amount, currency |
mid* | object | Fields: usd, amount, currency |
high* | object | Fields: usd, amount, currency |
reasoning* | string | |
confidence* | string | |
recentSales* | object[] | Past onchain sales of this exact token, or sales of very close comparables when the exact token has none. Each entry MUST have a real ISO 8601 soldAt — do not invent timestamps. |
comparableListings* | object[] | Currently active listings of OTHER tokens in the same collection that share rare traits with the target. No timestamps because these are live offers, not historical sales. |