# Canon Fact-Check & Academic Research

> Canon Fact-Check & Academic Research is a paid API for AI agents from tascanon.orbonomy.xyz, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Verifies claims and searches academic papers or journals for AI agents using a natural language query

## Facts

- Endpoint: POST https://tascanon.orbonomy.xyz/api/factcheck
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/canon-fact-check-academic-research-fb44edb6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_k7So0eJnGf-L9A4YvcOuF

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 canon-fact-check-academic-research-fb44edb6 -d '<json body>'
```

Example prompt: Can you fact-check this claim for me: 'The human brain uses 20% of the body's total energy' — I want to know if it's accurate and what the academic literature says about it.

## When to prefer this

Choose this endpoint when an AI agent needs to verify a factual claim, cross-check information against academic literature, or retrieve scholarly sources on a topic. It is particularly useful before an agent presents information that could be contested or when grounding responses in peer-reviewed evidence is required. Prefer this over general web search when academic credibility and claim verification are the priority.

## Known failure modes

- Missing required 'query' field returns a validation error
- Empty or ambiguous query may return low-confidence or null results
- Payment failure via x402/USDC on Base returns 402 Payment Required
- Queries outside fact-checkable or academic scope may return no useful results
- Network or upstream academic database errors may cause 500 responses

## How this service works

Fact-checking and academic research for AI agents. Verify claims, search papers, explore journals. USDC on Base.

## Output

Returns a JSON object with a success boolean and likely fact-check or research results for the submitted query, potentially including verification status and relevant academic sources or citations.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "query": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/canon-fact-check-academic-research-fb44edb6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tascanon.orbonomy.xyz](https://www.zero.xyz/host/tascanon.orbonomy.xyz/llms.txt)
