Grounded answer with citations · agent402.tools
Ask a question and get a written answer
Ask a question and get a written answer with the sources it was drawn from. The engine searches its index, reads the pages and composes the answer, returning the citation list (title, URL, published date) alongside it so every claim can be checked. Model-backed: the answer text is generated, the citations are retrieved.
Input
Sample response
Published by the provider. Your run returns a fresh response.
response6 keys
answer"x402 is an HTTP-native payment protocol that settles stablecoin payments per request ..."
citationCount1
citations1 item
0{ author, publishedDate, text, … }5 keys
fetchedAt"2026-09-13T20:00:00.000Z"
query"What is the x402 payment protocol and who uses it?"
source"exa"
responseobject, 6 keysYour agent can do this on its own
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Reported by the x402 directory.