the402 endpoint detail

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cryptyx.ai metrics slicer

https://cryptyx.ai/api/metrics/slicer

answers 402

Single-metric z-score backtest over 5+ years of history per asset. Triggers, trigger rate, and per-horizon forward-return and max-drawdown stats across 8 horizons (1d-365d). Pre-composite single-factor edge testing.

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
0x0cD2c9724F185a029101b4AEACf3F114415c394f
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
108 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:23:16.700Z (1h ago)
Category
ai-inference

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