x402 Bazaar Logox402 Bazaar
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Duplicate payment check

Duplicate payment check: flags a repeat x402 payment by resource, payee, amount and nonce inside a time window. Pass ?resource=<https URL>&payee=<0x>&amount=<atomic USDC, 3000 is $0.003, or a decimal like 0.003>&nonce=<0x and 64 hex>. Optional &window= seconds, default 600, clamped from 60 to 86400. Verdicts are FRESH, DUPLICATE or COULD_NOT_RECORD, EIP-712 signed (domain APEX DuplicateGuard, version 1, chainId 5042, type DuplicateVerdict) by the payee attester.

Resource URL

https://apexfaucet.xyz/api/x402/check-duplicate

Payment options

exactBase (8453)

$0.003 USDC

Max amount

Pay to
0xd334ab5151c624cada654854e2879903dc4217ed
Timeout
300s

Tags

duplicate paymentx402replaynoncepayee

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://apexfaucet.xyz/api/x402/check-duplicate
Type: http
Sources: payai

Developer