the402 endpoint detail

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cryptyx.ai composite backtest

https://cryptyx.ai/api/signals/composite/backtest

answers 402

Walk-forward backtest of a custom 8-class composite weight vector at 7d/14d/30d. Runs custom, IC-weighted default, and equal-weight blends in parallel with full performance breakdowns. Benchmark your blend against the production moat.

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
94 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:23:15.687Z (1h ago)
Category
ai-inference

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