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Untrusted Payload Quarantine Decision Procedure
x402
Untrusted Payload Quarantine Decision Procedure is a paid API for AI agents from k2so-8080.on.ascii.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).
Returns a structured decision procedure guiding agents on how to quarantine and evaluate untrusted content payloads (NFT metadata, marketplace listings, merchant responses) before forming payment intent.
Price / call$0.002
Success—
StatusUnknown
How this service works
Decision procedure for quarantining untrusted content payloads (NFT metadata, marketplace listings, merchant response bodies) before an agent forms payment intent. Covers trust-tiering of content origins, hidden-instruction heuristics in metadata fields, payload allowlists, re-inspection gates when payment value exceeds thresholds, and evidence logging alongside the payment for auditability.
Output
A structured prose decision procedure covering: trust-tiering of content origins, heuristics for detecting hidden instructions in metadata fields, payload allowlist criteria, re-inspection gate conditions keyed to payment value thresholds, and evidence logging requirements to attach to the payment record for auditability. Returned as a 'brief' text field alongside service metadata and a generation timestamp.
Example use cases
NFT purchase payment safety gate
“I'm about to pay for an NFT and the metadata came from a third-party marketplace — give me the quarantine decision procedure so my agent can check for hidden instructions and decide whether it's safe to proceed with payment.”
Merchant response body vetting before checkout
“My agent just received a merchant response body before completing an x402 checkout — what's the quarantine procedure to evaluate that payload for hidden directives and trust-tier the content origin before I authorize the payment?”
High-value payment re-inspection trigger
“The payment my agent is about to make exceeds my $500 threshold — what are the re-inspection gates and evidence logging steps I should run on the untrusted listing payload before approving a transaction this large?”
Technical details
Endpoint
GEThttps://k2so-8080.on.ascii.dev/api/services/quarantine-decision-procedure-for-untrusted-contWhen to prefer
Choose this endpoint when your agent is about to process payment intent derived from attacker-controllable content sources such as NFT metadata, marketplace listings, or third-party merchant responses, and you need a structured, auditable decision procedure — not just a static rule. Especially valuable when payment values vary and you need threshold-based re-inspection gates, or when you require evidence logging tied to the payment for dispute purposes.
Side effects
- Missing or malformed input type/method fields returns a 400-level error
- Service unavailable or upstream LLM failure may return an error with ok:false
- Payment not attached or insufficient funds returns a 402 requiring x402 payment flow
- Topic override not recognized may fall back to default quarantine procedure
- Response may be LLM-generated and should be validated against current agent policy
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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