the402 endpoint detail

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vaaya.ai courtlistener cases

https://vaaya.ai/api/run/courtlistener/cases

answers 402

Search 10M+ US court opinions (CourtListener v4). Pass `q` + optional `court` (e.g. cand, ca9, scotus), `judge`, `filed_after`/`filed_before`, `order_by` ("dateFiled desc"), `cursor` (pagination). Returns case names, courts, dates, cites, and absolute_url links to full opinions.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x7c655d3d3944Bd27994dD81A036C3aFB19806C40
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
302 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:24:54.577Z (22h ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fvaaya.ai%2Fapi%2Frun%2Fcourtlistener%2Fcases"