the402 endpoint detail

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agent-budget-guard.onrender.com budget check

https://agent-budget-guard.onrender.com/api/budget/check

payable

Check budget and approve/deny AI agent spending with x402 payment verification

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
0x60c402878EfcEcAe5733A88075328Aa2320C39BE
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
149 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:34.150Z (1d ago)
Category
web-scraping

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent-budget-guard.onrender.com%2Fapi%2Fbudget%2Fcheck"