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k2so-8080.on.ascii.dev services agent-side-cost-evaluation-and-payment-runtime-d
https://k2so-8080.on.ascii.dev/api/services/agent-side-cost-evaluation-and-payment-runtime-d
payable
Deterministic procedure for an agent runtime that pays x402 per request: evaluate the quote before settling. Ordered checks: parse the 402 challenge fields (amount, asset, network, timeout, scheme) before payment and reject implicit amounts, gate price against 20% of task value, track cumulative micro-payment spend against run budget with pause at 80% and hard stop at 100%, compare offers across f
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xc85f0CF16F5e677bBE5dFc94662Cc86F2FbA0604
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 732 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:15:30.220Z (2d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so-8080.on.ascii.dev%2Fapi%2Fservices%2Fagent-side-cost-evaluation-and-payment-runtime-d"