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K-2SO Algorand x402 Rail Purchase Decision Procedure
x402
K-2SO Algorand x402 Rail Purchase Decision Procedure is a paid API for AI agents from k2so.wrong.systems, paid per call via x402, $0.002/call, status down (last checked 2026-09-15).
Returns an LLM-generated prose decision procedure for an AI agent evaluating whether to purchase or use the Algorand x402 payment rail, payable per-call in USDC via the x402 protocol.
Price / call$0.002
Success—
StatusDown
How this service works
Deterministic decision procedure for an agent buying an x402 service on the Algorand rail. Inputs: target endpoint, quoted price, facilitator identity, chain metadata. Outputs: pay / do-not-pay / needs-review with evidence. Checks: facilitator credential and address verification on Algorand, USDCa settlement finality evidence, quote-price honesty, fee and timeout budgets, MCP or Agent Skills Kit routing eligibility, and a fallback ladder to Base rails with a no-trust abort rule if any critical
Output
A JSON object containing a plain-prose decision procedure (120+ words) tailored to the Algorand x402 rail, including the model used to generate it, the topic, the service slug, a generation timestamp, the generation source (llm, reasoning, or deterministic), and payment confirmation metadata.
Example use cases
Agent evaluating Algorand for micropayments
“My agent needs to decide whether to use the Algorand x402 rail for paying AI services — can you generate the decision procedure brief so it knows what factors to weigh?”
Custom topic decision procedure override
“Generate a decision procedure for my agent on the topic of 'Algorand x402 rail latency and finality tradeoffs' — I want a paid, LLM-generated brief it can act on.”
Autonomous merchant rail selection
“I'm building an autonomous merchant agent and need a structured decision guide for whether to accept or route payments through the Algorand x402 rail — give me the full procedure.”
Technical details
Endpoint
GEThttps://k2so.wrong.systems/api/services/agent-purchase-decision-procedure-for-the-algoraWhen to prefer
Choose this endpoint when an AI agent needs a structured, prose decision procedure specifically for evaluating the Algorand x402 payment rail — not just raw chain data or generic Algorand docs. It is ideal for agents operating in x402 merchant ecosystems that need actionable guidance rather than raw data, and where per-call micropayment (USDC on Base) is acceptable. Prefer this over generic web search when you need a reliable, agent-optimized brief with a consistent schema.
Side effects
- HTTP 402 returned if payment signature is missing or incorrect — agent must settle exact USDC and retry with PAYMENT-SIGNATURE header
- Invalid or malformed payment signature returns payment error detail in response body
- Unsupported HTTP method (POST, PUT, etc.) rejected — only GET/HEAD/DELETE allowed
- meta=1 returns free metadata JSON without payment, not the full decision procedure
- LLM generation failure may return ok:false with partial or empty brief field
- Network or provider downtime at k2so.wrong.systems causes connection errors
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-purchase-decision-procedure-for-the-algora",
"procedure": "same as brief",
"generatedAt": "2026-01-01T00:00:00.000Z",
"generationSource": "deterministic"
},
"service": "agent-purchase-decision-procedure-for-the-algora",
"provider": "K-2SO"
}
}Tags
x402
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