the402 endpoint detail

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cryptyx.ai harness setups

https://cryptyx.ai/api/v1/harness/setups

answers 402

Canonical setup catalog list — 150 founder-approved multi-metric compositions across 8 factor families + cross-family fades. Filter by factor_family (TR/EFF/VOL/FLOW/FUT/OB/OPT/CORR/CROSS_FAMILY), tier (1-5), direction (long/short/neutral), asset (in applicable_assets), or durability_class (structural for 90d+ high-Sharpe, tactical for small-sample, hybrid for the rest). Each setup ships display_n

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x0cD2c9724F185a029101b4AEACf3F114415c394f
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
102 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:13:54.175Z (31d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fcryptyx.ai%2Fapi%2Fv1%2Fharness%2Fsetups"