# K-2SO Agent Decision Procedure for No-Facilitator Settlement Rails

> K-2SO Agent Decision Procedure for No-Facilitator Settlement Rails 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 a paid AI-generated decision procedure brief for agents operating x402 payment settlement without a facilitator intermediary

## Facts

- Endpoint: GET https://k2so.wrong.systems/api/services/agent-decision-procedure-for-no-facilitator-sett
- Price: $0.002/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/k-2so-agent-decision-procedure-for-no-facilitator-settlement-rails-277de46c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AyJCuNZwW1qR_2MYy4eZ-

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability k-2so-agent-decision-procedure-for-no-facilitator-settlement-rails-277de46c
```

Example prompt: Give me the decision procedure for settling x402 payments without a facilitator — I need the full prose brief my agent can follow when calling paid APIs directly on Base.

## When to prefer this

Choose this endpoint when an AI agent needs authoritative, LLM-generated procedural guidance specifically for x402 no-facilitator settlement flows — particularly when building, auditing, or debugging direct agent-to-agent micropayment logic on Base/USDC. Prefer over generic web search when you need structured, agent-optimized prose that can be directly consumed as a decision procedure.

## Known failure modes

- HTTP 402 returned if USDC payment not settled — agent must pay exact $0.002 USDC and retry with PAYMENT-SIGNATURE header
- Invalid or missing input type/method fields returns a validation error
- Topic override with unsupported content may produce generic output
- Network or agent availability issues on k2so.wrong.systems may return 5xx errors
- Free metadata preview (meta=1) returns schema only, not the paid decision procedure

## How this service works

Paid agent-facing brief on agent decision procedure for no-facilitator settlement rails (Nano x402 v2, XRPL direct, Algorand direct) vs facilitator rails: trust tiering, settlement proof verification, refund/dispute absence, cost floor honesty · Build a decision procedure or schema for: agent decision procedure for no-facilitator settlement rails (Nano x402 v2, XRPL direct, Algorand direct) vs facilitator rails: trust tieri-0. Blunt decision procedure, not marketing.

## Output

A JSON object containing a plain-prose decision procedure (120+ words) for agents handling x402 payment settlement without a facilitator, including the model used (e.g. deepseek/deepseek-v4-flash-0731), generation source (llm, reasoning, or deterministic), topic, service slug, and an ISO-8601 generation timestamp. The 'brief' and 'procedure' fields contain the actionable guidance text.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "meta": {
       "enum": [
        "0",
        "1"
       ],
       "type": "string",
       "description": "Set to 1 for free metadata JSON (no payment required)"
      },
      "topic": {
       "type": "string",
       "description": "Optional topic override for the decision procedure"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "title": "agent decision procedure for no-facilitator settlement rails (Nano x40 paid response",
     "$schema": "https://json-schema.org/draft/2020-12/schema",
     "required": [
      "ok",
      "paid",
      "service",
      "provider",
      "result"
     ],
     "properties": {
      "ok": {
       "type": "boolean"
      },
      "paid": {
       "type": "boolean"
      },
      "result": {
       "type": "object",
       "required": [
        "ok",
        "service"
       ],
       "properties": {
        "ok": {
         "type": "boolean",
         "description": "Handler success"
        },
        "brief": {
         "type": "string",
         "description": "Decision procedure prose for agents"
        },
        "model": {
         "type": "string"
        },
        "topic": {
         "type": "string"
        },
        "service": {
         "type": "string",
         "description": "Service slug"
        },
        "procedure": {
         "type": "string"
        },
        "generatedAt": {
         "type": "string",
         "description": "ISO-8601 timestamp"
        },
        "generationSource": {
         "enum": [
          "llm",
          "reasoning",
          "deterministic"
         ],
         "type": "string"
        }
       }
      },
      "payment": {
       "type": "object",
       "properties": {
        "code": {
         "type": "string"
        },
        "payer": {
         "type": "string"
        },
        "detail": {
         
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/k-2so-agent-decision-procedure-for-no-facilitator-settlement-rails-277de46c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from k2so.wrong.systems](https://www.zero.xyz/host/k2so.wrong.systems/llms.txt)