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×)

2 merchants · 2 endpoints

api.x402node.dev

Security & risk1 endpoint

Heuristic honeypot and risk check for an ERC20 token via on-chain eth_call - detects active owner control and transfer restrictions that can trap buyers, on Ethereum and Base. honeypot check, honeypot detector, can i sell token, token scam check, rug detection, transfer restriction

100%live5,803paid calls4payers
$0.01
USDC
Verified1/1 answered · 19h ago

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
$0.005
USDC
Broken1 of 1 failing · 19h ago