the402 endpoint detail

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kronossignals.com alerts btc

https://kronossignals.com/api/v1/alerts/btc

answers 402

Real-time Bitcoin (BTC) market-regime alerts: volatility squeeze, breakout, funding-rate extreme, open-interest surge — derived from live derivatives data. Event feed for crypto trading agents. Pay-per-call via x402 on Base USDC.

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
0x36038e1d712c5e39f35952164ec58ec2b96caee7
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
86 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:21:45.663Z (2d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fkronossignals.com%2Fapi%2Fv1%2Falerts%2Fbtc"