the402 endpoint detail

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entropyindex.com risk vol-expansion-context

https://www.entropyindex.com/api/v1/risk/vol-expansion-context

answers 402

Risk Pulse: Vol expansion context — Returns a heat check before you size — or poll again while in. Countries, chokepoints, and crypto (Taiwan, Hormuz, Bitcoin) plus perp context (funding flip, rekt guard, tape vs structure). $0.25. Is anything hot? Not a trade signal.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.25
Network
base
Pay to
0x560d98EAF3777A88e40Dc19a2d8c8493ad789981
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
202 ms
Payment options
5 usable of 5
Last checked
2026-09-06T01:13:22.545Z (36d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwww.entropyindex.com%2Fapi%2Fv1%2Frisk%2Fvol-expansion-context"