Vellium & Co

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Agent Mercantile

Inspect one Base ERC-20 owner/token/spender allowance with same-block balance and token metadata plus factual exposure flags. No wallet access, signing, or transaction execution. Call when you need a same-block Base allowance-versus-balance

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
173 ms
Price
$0.010 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
3
Category
Blockchain reads
Address
https://api.agentmercantile.com/v1/allowance-exposure

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/b9c4e9a0b4b3.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].