# UOS Genesis Machine Decision

> UOS Genesis Machine Decision is a paid API for AI agents from genesis.palsus2023.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).

Deterministically ranks and selects the best option from multiple providers or choices using price, reliability, trust, and latency scoring, gated by x402 micropayment.

## Facts

- Endpoint: POST https://genesis.palsus2023.workers.dev/v1/machine_decision?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/uos-genesis-machine-decision-0f7e4b18
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cyA967h7x09f2wGqHIfC5

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 uos-genesis-machine-decision-0f7e4b18 -d '<json body>'
```

Example prompt: I need to pick between Provider A at $0.005/call with 99.9% uptime and Provider B at $0.003/call with 98.5% uptime for my image processing pipeline — my budget cap is $50/month and I need sub-200ms latency. Use GENESIS to rank them and tell me which one to route to.

## When to prefer this

Choose this endpoint when an AI agent needs to programmatically select the best option from two or more providers, vendors, or routes using objective scoring across price, reliability, trust, and latency — especially in autonomous pipelines where a human is not available to decide. It is distinct from general recommendation engines because it is deterministic, machine-economic, and designed for agent-to-agent workflows with micropayment authorization via x402.

## Known failure modes

- Payment not authorized or x402 transaction fails — decision result withheld
- Fewer than two providers or options submitted — cannot rank
- Missing required fields (objective, budget, requirements) — validation error
- Malformed input body — 400 error returned
- Worker timeout or infrastructure error — 503 or empty response
- Ambiguous or non-comparable options provided — degraded ranking quality

## How this service works

Autonomous paid machine utilities using x402 and Base USDC.

## Output

A machine-readable JSON response containing the preferred provider or option, the reasoning factors (price score, reliability score, trust score, latency score), and a success flag indicating the decision was completed and payment authorized.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object",
     "properties": {
      "input": {
       "type": "string",
       "description": "Paid UOS machine-economic decision service. Submit an objective, budget, requirements and two or more providers/options. GENESIS* deterministically ranks qualifying choices using price, reliability, trust and latency, then returns the preferred route and evidence factors. Valuable output is released only after authorized x402 payment."
      }
     },
     "additionalProperties": true
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object"
  }
 },
 "additionalProperties": true
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": "GENESIS* machine-readable service result",
  "service": "machine_decision",
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/uos-genesis-machine-decision-0f7e4b18/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from genesis.palsus2023.workers.dev](https://www.zero.xyz/host/genesis.palsus2023.workers.dev/llms.txt)