the402 endpoint detail

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vaaya.ai blockrun fetch

https://vaaya.ai/api/run/blockrun/fetch

answers 402

BlockRun โ€” 103 onchain & market-data endpoints over x402: surf/* (prices, rankings, news, onchain SQL, social mindshare) and pm/* prediction markets (Polymarket, Kalshi, sports, Binance candles). GET { endpoint, ...query }. Mostly 1-2ยข caps. See onchain-data knowledge doc or vaaya/discover.

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
118 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:15.392Z (1d ago)
Category
finance-crypto

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