the402 endpoint detail

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agents.x402stock.xyz v1 gainers

https://agents.x402stock.xyz/api/v1/gainers

payable

The day's biggest percentage gainers across US equities, with current and previous-day OHLCV per ticker. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0x422ce61131bd8c98c29e360089c1600e8d2fe8d2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
5402 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:10.620Z (1d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagents.x402stock.xyz%2Fapi%2Fv1%2Fgainers"