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k2so.wrong.systems services agent-stack-interop-binding-a2a-negotiation-outc
https://k2so.wrong.systems/api/services/agent-stack-interop-binding-a2a-negotiation-outc
payable
Deterministic gate for the agent-stack interop seam: verifying that the agent identity that concluded an A2A negotiation (ERC-8004 identity claim, delegation scope, capability offer) is the same identity authorized to settle the outcome via x402. Ordered checks: (1) extract the negotiating party's ERC-8004 identity claim from the A2A outcome, (2) verify the claim's issuer attestation and delegatio
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
- 422 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:11:50.161Z (2d ago)
- Category
- web-scraping
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fk2so.wrong.systems%2Fapi%2Fservices%2Fagent-stack-interop-binding-a2a-negotiation-outc"