Observed arrival · 2026-08-26

Watch402 audits the x402 payment-api bazaar

watchx402.com Observed source

Editorial interest 84/100 Selection signal · not a rating of the site

A public monitor rechecks nearly 41,000 paid API listings for dead endpoints, payment failures, price drift, wallet changes, and network mismatches.

Landing page captured for the 2026-08-26 issue.

Field notes

The monitor compares each endpoint’s live HTTP 402 PAYMENT-REQUIRED challenge with the terms advertised in two discovery catalogs. Its checks cover price, payout wallet, network, scheme, and HTTP method, and the page says healthy endpoints are rechecked daily while dead ones receive weekly sweeps. Owners can claim a listing by signing with its payout wallet, then connect Telegram; the alert subscription costs $5 USDC per listing for 30 days.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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