Vellium & Co

Directory › Payments and on-ramps › Rate a call you paid for

Rate a call you paid for

Tell this server whether a call you paid for delivered what it promised. Bound to the receipt: give it the settlement transaction from that call's PAYMENT-RESPONSE (or Payment-Receipt) header and a verdict of "good" or "bad", and only the w

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
200 ms
Price
$0.001 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
2
Category
Payments and on-ramps
Address
https://agent402.tools/api/feedback

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/b95adee90a7d.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].