Vellium & Co

Directory › Payments and on-ramps › Pyfile x402 API

Pyfile x402 API

One-read dead drop: hand a credential between two agents where neither should hold it first. POST the secret, pay once, receive a read_url that works exactly one time — the first read destroys the value before responding. Max 16KB.

Go to this service →

Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
271 ms
Price
$0.002 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://pyfile-agent.taile3ff35.ts.net:10000/secret/drop

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/765d7cb3a86c.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].