the402 endpoint detail

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asistent-crypto.vercel.app x402 query

https://asistent-crypto.vercel.app/api/x402/query

payable

Real-time crypto & macro market data for AI agents, pay-per-call in USDC (no account or API key): Bitcoin (BTC) and Ethereum (ETH) prices, funding rates, open interest, Fear & Greed index, market dominance, macro rates (Fed, CPI, DXY), DeFi TVL, whale flows, on-chain stats, crypto news. 13 JSON tools. POST {tool, input}.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0xbeeBd30639E99bbcE11FAA2b463fCCCf6215831b
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
163 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:13:09.332Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fasistent-crypto.vercel.app%2Fapi%2Fx402%2Fquery"