# x402 Multi-Tool API — Wikipedia Lookup

> x402 Multi-Tool API — Wikipedia Lookup is a paid API for AI agents from x402deploy.vercel.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Fetches a Wikipedia article summary, description, and URL for a given article title and language edition

## Facts

- Endpoint: POST https://x402deploy.vercel.app/api/wiki
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-multi-tool-api-wikipedia-lookup-25e213f0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cT_SPShLif7uDXX6iXOM3

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 x402-multi-tool-api-wikipedia-lookup-25e213f0 -d '<json body>'
```

Example prompt: Can you pull up the Wikipedia summary for 'Ethereum' — I need a quick description of what it is?

## When to prefer this

Choose this endpoint when you need a quick, authoritative encyclopedia-style summary of a well-known concept, person, place, or technology — especially when no authentication or API key is required and micropayment via x402 is acceptable. Prefer over web search when you want structured, factual reference content rather than a ranked list of web pages.

## Known failure modes

- Article title not found — Wikipedia returns no match, resulting in an error or empty response
- Ambiguous title that redirects to an unexpected article
- Language edition code not supported or article doesn't exist in that language
- Network or upstream Wikipedia API timeout
- Malformed request missing required 'title' field

## How this service works

Pay-per-request data toolkit for AI agents — 13 no-auth tools, $0.005 USDC each via x402. Web search, read URL, crypto price/markets/trending, Wikipedia, news headlines, weather, FX rates, IP geolocation, DNS lookup, stock quotes, and domain WHOIS.

## Output

Returns the Wikipedia article title, a plain-text extract (opening paragraph or summary), a short one-line description, and the canonical Wikipedia URL for the requested article in the specified language edition.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "title"
 ],
 "properties": {
  "lang": {
   "type": "string",
   "description": "Wikipedia language edition"
  },
  "title": {
   "type": "string",
   "description": "Wikipedia article title, e.g. 'Ethereum'"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "url": "https://en.wikipedia.org/wiki/Ethereum",
 "title": "Ethereum",
 "extract": "Ethereum is a decentralized blockchain with smart-contract functionality...",
 "description": "Open-source blockchain platform"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-multi-tool-api-wikipedia-lookup-25e213f0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402deploy.vercel.app](https://www.zero.xyz/host/x402deploy.vercel.app/llms.txt)