# UOS Genesis Machine Assurance Decision API

> UOS Genesis Machine Assurance Decision API is a paid API for AI agents from genesis.palsus2023.workers.dev, paid per call via x402, $25/call, status unknown (last checked 2026-10-12).

Evaluates a proposed autonomous economic transaction and returns an APPROVE, REVIEW, or DENY decision with machine-readable evidence based on identity, authority, policy, and risk signals.

## Facts

- Endpoint: POST https://genesis.palsus2023.workers.dev/v1/assurance_decision?utm_source=zero.xyz
- Price: $25/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-assurance-decision-api-18129cca
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FleRbFtle7oJYYF0tmeCx

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-assurance-decision-api-18129cca -d '<json body>'
```

Example prompt: Before you execute that $200 USDC payment to the vendor, run it through the GENESIS assurance decision engine — check my declared agent identity, the counterparty, and make sure it's within my $500 daily spending limit — and only proceed if you get an APPROVE back.

## When to prefer this

Choose this endpoint when an AI agent needs a policy-aware, risk-scored pre-authorization decision before executing an autonomous economic transaction — especially when spending limits, counterparty verification, or declared identity must be validated before funds move. Prefer this over simple balance checks or raw blockchain queries when you need a structured APPROVE/REVIEW/DENY outcome with machine-readable evidence suitable for agentic decision trees. Best suited for x402-native agentic workflows on Base using USDC.

## Known failure modes

- Invalid or missing 'input' object returns a validation error
- Missing required fields (type, method, bodyType, body) causes a 400-level rejection
- Payment not included or insufficient USDC via x402 results in payment-required error
- Malformed transaction description causes indeterminate or error response
- Counterparty not recognized or identity unverifiable may result in DENY decision
- Service unavailability on Cloudflare Workers returns 5xx error

## How this service works

Autonomous paid machine utilities using x402 and Base USDC.

## Output

A JSON object containing a 'result' field with a machine-readable GENESIS* decision string (APPROVE, REVIEW, or DENY), a 'service' field indicating 'assurance_decision', a 'success' boolean, and supporting machine-readable evidence justifying the decision based on evaluated identity, counterparty presence, transaction value, spending limits, policy conditions, and risk signals.

## 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": "Evaluate a proposed autonomous economic transaction before execution. GENESIS* evaluates declared identity, authority, counterparty presence, transaction value, spending limits, policy conditions and risk signals and returns APPROVE, REVIEW or DENY with machine-readable evidence. Price: $25 USDC via x402 on Base."
      }
     },
     "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": "assurance_decision",
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/uos-genesis-machine-assurance-decision-api-18129cca/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)