# public-domain-check

> public-domain-check is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Determines whether a creative work is in the public domain across multiple jurisdictions (US, Canada, UK, EU, Australia) based on publication year and author death year, with per-jurisdiction verdicts and reasoning.

## Facts

- Endpoint: GET https://intel.rallylive.ca/library/public-domain-check
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/public-domain-check-a54481a1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gq2U_VVSS1t-AExAms0ie

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 public-domain-check-a54481a1
```

Example prompt: Can you check if a novel published in 1925 by an author who died in 1960 is in the public domain — I need verdicts for the US, Canada, the UK, and Australia?

## When to prefer this

Choose this endpoint when you need a multi-jurisdiction public domain assessment with explicit legal reasoning rather than a single-country check or a generic copyright database query. It is especially useful for publishing, archiving, or content licensing workflows that span the US, Canada, UK, EU, and Australia, and where a documented verdict per jurisdiction is needed. Prefer it over manual copyright databases when you want an automated, reasoned verdict for a specific publication year and author death year combination.

## Known failure modes

- Missing publication year or author death year causes incomplete analysis
- Ambiguous or unknown death year yields uncertain verdicts
- Works with complex authorship (corporate, anonymous, pseudonymous) may produce inaccurate results
- Edge-case renewal records (US 1923–1963) may not be fully verifiable
- Endpoint returns reasoning but explicitly disclaims legal validity

## How this service works

Is a work in the public domain? Applies the standard rules for the US (published before the current year minus 95, plus the 1929-1963 renewal note), Canada (life + 70 since 2022-12-30, life + 50 for authors who died before 1972), the UK and EU (life + 70) and Australia, from the publication year and author death year you give, then checks whether the work is already in the free catalogue. Returns a verdict per jurisdiction with reasoning; not legal advice. $0.01 per check.

## Output

A per-jurisdiction verdict (US, Canada, UK/EU, Australia) stating whether the work is in the public domain, the legal reasoning applied (e.g. publication-date cutoffs, life+70 or life+50 rules, US renewal requirements), and a flag indicating if the work is already in the free catalogue. Comes with a disclaimer that it is not legal advice.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/public-domain-check-a54481a1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from intel.rallylive.ca](https://www.zero.xyz/host/intel.rallylive.ca/llms.txt)