# Author Provenance Decision

> Author Provenance Decision is a paid API for AI agents from agentreadiness.halowerk.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-14).

Passively fetches public evidence from a target URL and evaluates whether the site's content can be attributed to a verifiable, credible author

## Facts

- Endpoint: POST https://agentreadiness.halowerk.com/v1/author-provenance-decision?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/author-provenance-decision-a509f134
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_CLQp_8SjGCPZFhL9jgOMm

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 author-provenance-decision-a509f134 -d '<json body>'
```

Example prompt: Can you check whether https://example-news.com has verifiable author provenance — I want to know if there's public evidence of who actually writes the content there and whether it meets a credible authorship standard?

## When to prefer this

Use this endpoint when you need a passive, read-only signal on whether a public website has credible, verifiable author attribution — ideal for content trust pipelines, agent-readiness audits, due diligence workflows, or monitoring authorship transparency over time. Prefer it over generic web scraping when you need a structured verdict with threshold, evidence source, and recommended action rather than raw HTML.

## Known failure modes

- Target URL is unreachable or returns non-200 status, resulting in an inability to fetch evidence
- Target requires authentication or blocks crawlers, leading to incomplete or no observation
- No author attribution signals found on the page, resulting in a fail verdict with limited evidence
- Malformed or too-short target URL rejected by input validation
- Rate limiting or network errors on the target side causing partial evidence collection

## How this service works

Author provenance decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

## Output

Returns a structured verdict object containing the observation (what was found), the evaluation threshold, a pass/fail verdict, the exact evidence source URL, known limitations of the check, and a recommended action — all without performing any login, form submission, exploit, or load test on the target.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "target": {
   "type": "string",
   "maxLength": 2048,
   "minLength": 3,
   "description": "Public HTTP(S) URL or domain to inspect. A bare domain is normalized to HTTPS."
  },
  "context": {
   "type": "object",
   "description": "Optional non-secret correlation labels returned unchanged only in the request lifecycle.",
   "maxProperties": 12,
   "additionalProperties": {
    "type": [
     "string",
     "number",
     "boolean",
     "null"
    ]
   }
  },
  "baseline": {
   "type": [
    "object",
    "null"
   ],
   "description": "Optional baseline returned by a previous snapshot call.",
   "additionalProperties": true
  },
  "compare_url": {
   "type": "string",
   "maxLength": 2048,
   "minLength": 3,
   "description": "Optional public comparison URL. Used by change and monitoring services."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/author-provenance-decision-a509f134/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentreadiness.halowerk.com](https://www.zero.xyz/host/agentreadiness.halowerk.com/llms.txt)