Vellium & Co

Directory › Blockchain reads › InsumerAPI

InsumerAPI

Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 chains: token balance, NFT ownership, EAS, Farcaster, view calls, ratio rules, account code (plain key, EIP-7702 delegation, or contr

Go to this service →

Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
272 ms
Price
$0.050 per call
Paying buyers, last 30 days
6 (directory's own records)
Paid calls, last 30 days
24
Category
Blockchain reads
Address
https://api.insumermodel.com/v1/attest

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/89a7a10d84d8.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].