x402 Bazaar Logox402 Bazaar
← Back to discover
httpcdpthirdwebpayai

agent402.tools

Grade any x402 seller's payment-security posture from the outside - a read-only black-box check mapped to the 'Five Attacks on x402' failure modes. Probes the URL's 402 challenge (never pays) and scores TLS transport, gated-response cache hygiene (Attack III / cache leakage), error/info-leak hygiene, and payment-terms well-formedness, then returns a letter grade with per-check findings and an honest note on what only insider/active testing can confirm.

Resource URL

https://agent402.tools/api/x402-audit

Payment options

exactBase (8453)

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactPolygon (137)

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactArbitrum (42161)

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 143

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 43114

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 1329

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 10

$0.011 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 4663

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactEVM 42220

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
uptoBase (8453)

$0.01 USDC

Max amount

Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Timeout
300s
exactSolana

$0.01 USDC

Max amount

Pay to
J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg
Timeout
300s
exactalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k

$0.01 USDC

Max amount

Pay to
C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE
Timeout
300s

Tags

webtoolsagentsx402auditpaymentssecurityposture

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://agent402.tools/api/x402-audit
Type: http
Sources: cdp, thirdweb, payai

Developer