the402 endpoint detail

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oracle.the-undesirables.com v1 portfolio-optimize

https://oracle.the-undesirables.com/api/v1/portfolio-optimize

answers 402

Optimize a trading card portfolio with Markowitz mean-variance analysis over conformal-calibrated risk forecasts (Monte Carlo GBM/Merton available opt-in). Provide a list of card names, budget, and risk tolerance (conservative/moderate/aggressive) to receive optimal position sizing, per-card allocation weights, Sharpe ratios, and rebalancing recommendations.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.50
Network
base
Pay to
0x642e8a7C289381f24f0395e0539f0bA41c74Cc1B
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
155 ms
Payment options
3 usable of 3
Last checked
2026-08-15T14:22:53.294Z (6d ago)
Category
data

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Foracle.the-undesirables.com%2Fapi%2Fv1%2Fportfolio-optimize"