# Wikipedia Article Summary Lookup

> Wikipedia Article Summary Lookup is a paid API for AI agents from wikipedia.hergertsynthora.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Returns a Wikipedia article's title, plain-text extract, thumbnail, and canonical URL for any given topic title

## Facts

- Endpoint: POST https://wikipedia.hergertsynthora.com/service
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/wikipedia-article-summary-lookup-7f5c69b1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nW9XrwmVze15n8NLX7zV5

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 wikipedia-article-summary-lookup-7f5c69b1 -d '<json body>'
```

Example prompt: Can you pull up the Wikipedia summary for 'Marie Curie' — I need the article extract, thumbnail, and the canonical Wikipedia link?

## When to prefer this

Use this endpoint when an agent needs fast, deterministic, encyclopedic background knowledge about a named topic, person, place, or concept — especially when no API key or complex auth is desired. It is ideal for enriching entities with brief descriptions, thumbnails, and authoritative links. Prefer it over a web search when Wikipedia coverage is sufficient and structured, predictable output is required.

## Known failure modes

- Article not found for the given title — upstream Wikipedia returns no result, no charge applied
- Ambiguous or misspelled title returns wrong article or empty result
- Upstream Wikipedia API failure — no charge applied per service terms
- Rate limiting if wallet address not provided or free tier exhausted
- Network timeout or service unavailability

## How this service works

Wikipedia article summary for any topic: title, extract, thumbnail, canonical URL. Instant knowledge lookup for agents. Deterministic, no key. $0.01 USDC via x402 on Base.

## Output

Returns the Wikipedia article title, a plain-text extract (summary paragraph), a thumbnail image URL, and the canonical Wikipedia article URL for the requested topic.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "title": {
   "type": "string",
   "description": "title"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "niche": "wikipedia",
  "result": {}
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/wikipedia-article-summary-lookup-7f5c69b1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from wikipedia.hergertsynthora.com](https://www.zero.xyz/host/wikipedia.hergertsynthora.com/llms.txt)