the402 endpoint detail

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agent402.tools skill search-and-cite

https://agent402.tools/api/skill/search-and-cite

answers 402

Bundled execution of the Answer-a-question with sources workflow - The 'research a question, return an answer with citations' workflow. Brave answer for the AI-synthesized take with citations, Brave web for the canonical SERP, Brave news for time-sensitive context, then a deterministic web-fetch + extract pass on the top citations to verify the answer hasn't hallucinated. Five tools, one cited par

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.12
Network
base
Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
125 ms
Payment options
13 usable of 13
Last checked
2026-09-06T01:17:19.844Z (19d ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fskill%2Fsearch-and-cite"