the402 endpoint detail

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api.vrsai.tech capabilities decision_optimization

https://api.vrsai.tech/v1/capabilities/decision_optimization

answers 402

Choose the lowest-cost or highest-value feasible allocation, assignment, selection, or resource mix from caller-supplied options, capacities, budgets, and eligibility rules, with independently verified feasibility evidence and solver optimality/gap information.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.03
Network
base
Pay to
0x6746dFF7bDB1ED4940DBe50024795AD97CbA09Af
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
550 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:12:10.126Z (33d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.vrsai.tech%2Fv1%2Fcapabilities%2Fdecision_optimization"