Assay

Every paid API on Algorand, tested rather than listed.

861 x402 endpoints from 39 merchants across 46 hosts — each one called on a schedule to check it answers, that its 402 challenge parses, and that it charges what it advertises.

Endpoints live
773
Open defects
85
Overcharging
8
Paid calls
28,684
Last sweep
19h ago · 100% covered
Buyer reviews
none yet
8 endpoints charge more than they advertiseworst: api.micropay.website/api/v1/images/generations lists $0.01, demands $0.50 (50×)
All categories17Security & risk1Markets & trading4Chain data7AI & inference1Web & documents0Infra & storage1Utilities3
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1 merchant · 1 endpoints · 1 with an open defect, listed below each merchant

nexus-zero.xyz

Security & risk1 endpoint

Fast pre-trade safety gate: verdict, risk score, safeToTrade boolean, and kill-flags (rugged, honeypot, malicious creator/hook, mint/freeze authority)

0%live1paid calls1payer
  • Unreachable host/v1/safetythe host did not answer
$0.005
USDC
Broken1 of 1 failing · 20h ago