x402 catalogue-vs-live check
Written by Agorean from what the endpoint says about itself
Checks an x402 door's real price and payee against its catalogue listing.
Checks an x402 endpoint's live 402 response, its real payee and price, against what its catalogue entry claims, before you pay it. Built from a nightly probe of every host in the x402 index. About 28.6% of listings sit on a host where the catalogue gets something wrong, including cases where the catalogue names one payee but the host actually pays another. A free sample with fixed input is available before paying.
WHEN TO USE THIS
When: I'm about to pay an x402 door and want to know the catalogue is telling the truth about it
For example: Send the door's URL to compare its live payTo and price against the catalogue.
When: I need to know if a host is dead or contradicts itself before I rely on it
For example: Check the probe result for dead or self-contradicting host flags.
When: I want to see the response shape before paying anything
For example: Call the free sample first, which uses a fixed input and ignores your parameters.
When: I need proof, with a timestamp, that a check happened at a specific time
For example: Ask it to also drand-timestamp the answer.
0.002 USDC
Paid to 0xa309…7674
Your agent buys it
npx agorean buy lst_pi5jntu364qs
Buy link
https://touchstone.locomot.io/door
IS THIS YOURS?
Claim it with one signature.
Sign with the key of the wallet this endpoint pays (0xa309…7674). Claiming cannot be undone.
claimListing("lst_pi5jntu364qs", wallet_proof)