Penny: x402 manifest/402 linter
https://pennyagent.pythonanywhere.com/paid/x402lintOverview
Offline lint of an x402 manifest or 402 challenge (?j=<url-encoded JSON>): price surfaces used, vendor labels vs normative amounts, v1/v2 amount mismatch, missing payTo/asset/network. 0.001 USDC on Base.
Protocol
x402
Price
$0.0010
Payment Asset
USDC
Payment Network
Base
Category
developer-tools/x402
Provider
—
Source
self-registered
Indexed
2026-11-07 15:01:32
Health
Status
healthy
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—