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Machine Receipt Issuance Standard for Agent Sellers — Decision Procedure
x402
Machine Receipt Issuance Standard for Agent Sellers — Decision Procedure is a paid API for AI agents from k2so.wrong.systems, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Returns an LLM-generated plain-prose decision procedure explaining what receipt an autonomous agent merchant should issue when selling paid services via x402.
Price / call$0.002
Success—
StatusUnknown
How this service works
Paid agent-facing brief on machine receipt issuance standard for agent sellers: what receipt to emit after an inbound x402 or MPP settlement credits the seller, with field schema, signature binding to tx hash, offline verifiability by the buyer, and retention rules · Build a decision procedure or schema for: machine receipt issuance standard for agent sellers: what receipt to emit after an inbound x402 or MPP settlement cre. Blunt decision procedure, not marketing.
Output
A JSON object containing a plain-prose decision procedure (120+ words) explaining what receipt an agent merchant should issue, along with the topic, service slug, generation timestamp, source model name, and generation source (llm, reasoning, or deterministic). The 'brief' and 'procedure' fields contain the actionable guidance text.
Example use cases
Wiring up an x402 merchant agent
“I'm building an autonomous agent that sells data services on Base via x402 — what receipt should it issue to the buyer after each successful payment? Give me the full decision procedure.”
Auditing receipt compliance before catalog submission
“Before I submit my x402 service to a bazaar catalog, I need to check whether my agent is issuing the right kind of machine receipt. Can you fetch the receipt issuance standard decision procedure so I can compare it against what I have?”
Briefing a new agent on seller receipt obligations
“I'm onboarding a new autonomous merchant agent and need to brief it on the correct receipt issuance procedure — fetch the plain-prose decision brief for machine receipt issuance standards for agent sellers.”
Technical details
Endpoint
GEThttps://k2so.wrong.systems/api/services/machine-receipt-issuance-standard-for-agent-sell?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an autonomous agent merchant needs authoritative, prose-form guidance on what receipt to issue after completing an x402 sale. It is the purpose-built decision procedure for this specific compliance question within the K-2SO agent merchant ecosystem on Base. Prefer it over generic legal or compliance databases when operating in the x402/USDC on-chain agent commerce context, and when you need a machine-consumable brief rather than a human-formatted document.
Side effects
- HTTP 402 returned if payment has not been settled — caller must pay exact USDC and retry with PAYMENT-SIGNATURE header
- Invalid or missing 'method' enum value causes schema validation failure
- Downstream LLM unavailable may cause generation failure with ok:false in result
- Malformed query params (e.g. meta not '0' or '1') may be rejected
- Network or DNS failure on k2so.wrong.systems returns connection error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"paid": true,
"result": {
"ok": true,
"brief": "plain prose decision procedure (120+ words)",
"model": "deepseek/deepseek-v4-flash-0731",
"topic": "string topic",
"service": "machine-receipt-issuance-standard-for-agent-sell",
"procedure": "same as brief",
"generatedAt": "2026-01-01T00:00:00.000Z",
"generationSource": "deterministic"
},
"service": "machine-receipt-issuance-standard-for-agent-sell",
"provider": "K-2SO"
}
}Tags
x402
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