# AgentFeed Wikipedia Lookup

> AgentFeed Wikipedia Lookup is a paid API for AI agents from x402.ochinimus.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-28).

Fetches a Wikipedia article summary, lead text, URL, license, and metadata for a given article title and language

## Facts

- Endpoint: GET https://x402.ochinimus.app/api/wiki?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentfeed-wikipedia-lookup-0f47c83e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iq2a9KMnOCjDAHysHH7G_

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 agentfeed-wikipedia-lookup-0f47c83e
```

Example prompt: Can you pull the Wikipedia summary for 'Solana (blockchain platform)' in English and give me the lead paragraph and the article URL?

## When to prefer this

Use this endpoint when an AI agent needs a factual, encyclopedic summary of a well-known topic (people, technologies, projects, events) and Wikipedia is an authoritative source. Prefer this over general web search when you need structured metadata (license, attribution, revision timestamp) alongside the content — particularly useful when the agent must cite or attribute the source. Choose this over a raw Wikipedia API call when you need a pay-per-call, keyless integration with caching built in.

## Known failure modes

- Article not found for given title — API may return an error or empty result
- Ambiguous title resolves to a disambiguation page rather than a specific article
- Language code not supported or article does not exist in that language
- Rate limiting or payment failure via x402 if USDC balance is insufficient
- Stale cached result returned if article was recently updated

## How this service works

Wikipedia summary: the Wikipedia summary and lead section for a page title in any language, with the CC BY-SA 4.0 licence, the article URL and the authors link. Use when you need to answer: What does Wikipedia say about this topic? Cached 24 hours.

## Output

Returns a JSON object containing the article title, lead paragraph, full summary, canonical Wikipedia URL, history URL, license (CC BY-SA 4.0), license URL, attribution text, language code, source identifier, article type (standard/disambiguation/etc.), revision timestamp, whether the result was cached, and whether the call was paid. Null description field is included when Wikipedia has none.

## 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",
     "required": [
      "title"
     ],
     "properties": {
      "lang": {
       "type": "string",
       "description": "Wikipedia language code, default en"
      },
      "title": {
       "type": "string",
       "description": "the article title, e.g. Solana (blockchain platform)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "data": {
       "type": "object",
       "properties": {
        "url": {
         "type": "string"
        },
        "lead": {
         "type": "string"
        },
        "type": {
         "type": "string"
        },
        "title": {
         "type": "string"
        },
        "cached": {
         "type": "boolean"
        },
        "source": {
         "type": "string"
        },
        "license": {
         "type": "string"
        },
        "summary": {
         "type": "string"
        },
        "language": {
         "type": "string"
        },
        "attribution": {
         "type": "string"
        },
        "description": {},
        "history_url": {
         "type": "string"
        },
        "license_url": {
         "type": "string"
        },
        "revision_timestamp": {
         "type": "string"
        }
       }
      },
      "paid": {
       "type": "boolean"
      },
      "tool": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "url": "https://en.wikipedia.org/wiki/Solana_(blockchain_platform)",
   "lead": "Solana is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is SOL. Solana…",
   "type": "standard",
   "title": "Solana (blockchain platform)",
   "cached": false,
   "source": "Wikipedia REST and Action APIs",
   "license": "CC BY-SA 4.0",
   "summary": "Solana is a public blockchain platform that uses a proof-of-stake consensus mechanism and provides smart contract functionality. The platform's native cryptocurrency is SOL. Solana…",
   "language": "en",
   "attribution": "Text from Wikipedia, the free encyclopedia (en.wikipedia.org), available under CC BY-SA 4.0; authors are listed in the page history. Share-alike: text reused from this answer must…",
   "description": null,
   "history_url": "https://en.wikipedia.org/w/index.php?title=Solana_(blockchain_platform)&action=history",
   "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
   "revision_timestamp": "2026-08-20T13:48:00Z"
  },
  "paid": true,
  "tool": "get_wiki"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentfeed-wikipedia-lookup-0f47c83e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.ochinimus.app](https://www.zero.xyz/host/x402.ochinimus.app/llms.txt)