# Canon Fact-Checking & Academic Research API

> Canon Fact-Checking & Academic Research API is a paid API for AI agents from tascanon.orbonomy.xyz, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-19).

Verifies claims and searches academic papers and journals by topic and date, returning research-backed fact-check results for AI agents.

## Facts

- Endpoint: POST https://tascanon.orbonomy.xyz/api/events?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/canon-fact-checking-academic-research-api-6031e39e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NoLNsS5Pbh-KidesYT5s_

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-checking-academic-research-api-6031e39e -d '<json body>'
```

Example prompt: Can you fact-check the claim that 'microplastics have been found in human blood' using Canon — search for academic research published around 2022-04-01 on that topic?

## When to prefer this

Choose this endpoint when an AI agent needs to verify factual claims against academic literature or search peer-reviewed sources on a specific topic. Particularly useful when grounding AI responses in citable research, fact-checking news claims, or exploring the scholarly consensus on a topic tied to a specific time period.

## Known failure modes

- Missing required 'date' field returns validation error
- Missing required 'topic' field returns validation error
- Payment failure due to insufficient USDC balance on Base network
- Topic with no matching academic sources may return empty results
- Invalid date format may cause parsing errors
- Service unavailable returns HTTP 402 or 5xx error

## 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 presumably fact-check or research results related to the given topic and date, including references to academic papers or journal articles that confirm or refute the claim.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "date",
  "topic"
 ],
 "properties": {
  "date": {
   "type": "string"
  },
  "topic": {
   "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-checking-academic-research-api-6031e39e/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)