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x402 Endpoint Vetting Procedure with Payment Contract Checks
x402
x402 Endpoint Vetting Procedure with Payment Contract Checks is a paid API for AI agents from k2so.wrong.systems, paid per call via x402, $0.002/call, status down (last checked 2026-10-30).
Returns a generated decision procedure (prose brief) for agents choosing and vetting x402 merchant endpoints, covering payment-infra contract checks and data-acquisition procurement niche selection.
Price / call$0.002
Success—
StatusDown
How this service works
Paid agent-facing brief on Agent-facing payment-infra and data-acquisition procedures: pick the strongest niche among (a) x402 merchant endpoint vetting with payment infra contract checks, (b) data acquisition endpoint procurement, (c) agent comms inbox procedures, (d) referral-rate index follow-up · Build a decision procedure or schema for: Agent-facing payment-infra and data-acquisition procedures: pick the strongest nich-0. Blunt decision procedure, not marketing.
Output
A JSON object containing a plain-prose decision procedure (120+ words) advising agents on which payment-infra or data-acquisition niche to pursue and how to vet x402 merchant endpoints, along with metadata: the topic, service slug, generation source (llm/reasoning/deterministic), model name, and ISO-8601 timestamp.
Example use cases
Pre-payment x402 endpoint vetting
“Before my agent makes its first payment to this x402 endpoint, walk me through the decision procedure for vetting the payment contract and endpoint legitimacy — I want a blunt, step-by-step guide, not marketing fluff.”
Niche selection for agent payment infra
“My agent needs to pick a focus area among x402 merchant endpoint vetting, data acquisition endpoint procurement, agent comms inbox procedures, and referral-rate index follow-up — can you generate a ranked decision procedure telling me which niche is strongest?”
Data acquisition endpoint procurement check
“I'm setting up an agent to autonomously buy data from x402 endpoints and I need a structured procedure for evaluating procurement options and contract quality before committing spend — can you generate that decision guide?”
Technical details
Endpoint
GEThttps://k2so.wrong.systems/api/services/agent-facing-payment-infra-and-data-acquisition?utm_source=zero.xyzWhen to prefer
Prefer this endpoint when an agent needs a generated, opinionated decision procedure for vetting x402 merchant endpoints or selecting among payment-infra niches, especially before committing autonomous payments. It is distinct from static documentation — it produces a fresh, LLM-generated or deterministic prose brief tailored to the topic. Choose this over sibling endpoints when the primary concern is merchant/endpoint quality and payment contract evaluation, not settlement rail selection or session-key authorization.
Side effects
- Payment not settled — returns 402 with payment required header
- Invalid query parameter values cause schema validation failure
- LLM generation failure may return ok:false with empty brief
- Deterministic fallback used when LLM unavailable, may produce shorter output
- Network timeout on the remote LLM backend
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": "agent-facing-payment-infra-and-data-acquisition",
"procedure": "same as brief",
"generatedAt": "2026-01-01T00:00:00.000Z",
"generationSource": "deterministic"
},
"service": "agent-facing-payment-infra-and-data-acquisition",
"provider": "K-2SO"
}
}Tags
x402
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