# SiteCheck Agent Intel & Dev — Wikipedia Deep Research

> SiteCheck Agent Intel & Dev — Wikipedia Deep Research is a paid API for AI agents from api.fadeandco.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-29).

Searches English Wikipedia for a query and returns up to 5 top articles with their summary, description, and last edit timestamp — no AI synthesis, raw source data only.

## Facts

- Endpoint: POST https://api.fadeandco.workers.dev/api/agent-intel/deep-research?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sitecheck-agent-intel-dev-wikipedia-deep-research-7b93c7de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KBV9LAgnF_mGfZ58gchqI

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 sitecheck-agent-intel-dev-wikipedia-deep-research-7b93c7de -d '<json body>'
```

Example prompt: Search Wikipedia for 'quantum entanglement' and give me the top 3 articles with their summaries and when they were last edited.

## When to prefer this

Choose this endpoint when you need verifiable, encyclopedic background information from English Wikipedia specifically — not the open web — and want raw source text without AI synthesis or hallucination risk. Ideal for fact-checking, grounding agent responses, or seeding research workflows where the caller will read and combine sources manually. Prefer over general web-search tools when Wikipedia coverage is sufficient and citation accuracy is paramount.

## Known failure modes

- Query too short (under 2 chars) or too long (over 200 chars) returns validation error
- limit outside 1–5 range returns error
- Query yields no Wikipedia matches — empty sources array returned
- Wikipedia API unavailable — upstream timeout or error propagated
- Malformed JSON request body returns 400-level error

## How this service works

Research starter: searches English Wikipedia (not the open web) for a query and returns the top articles with their summary text, description and last edit time. No AI synthesis; the caller reads and combines the sources.

## Output

A JSON object containing the original query, the Wikipedia API source URL, a checkedAt timestamp, and an array of up to 5 article objects each with: title, Wikipedia URL, a short snippet, a full summary sentence, a one-line description, and an ISO 8601 last-edited timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "number",
   "description": "How many articles, 1 to 5 (default 3)"
  },
  "query": {
   "type": "string",
   "description": "Research question or keywords, 2 to 200 characters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "query": "web crawler",
  "source": "https://en.wikipedia.org/w/api.php",
  "sources": [
   {
    "url": "https://en.wikipedia.org/wiki/Web_crawler",
    "title": "Web crawler",
    "snippet": "web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web",
    "summary": "A web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing.",
    "lastEdited": "2026-10-15T05:37:02Z",
    "description": "Software that systematically browses the World Wide Web"
   },
   {
    "url": "https://en.wikipedia.org/wiki/WebCrawler",
    "title": "WebCrawler",
    "snippet": "WebCrawler is a search engine, and one of the oldest surviving search engines on the web today. For many years, it operated as a metasearch engine. WebCrawler",
    "summary": "WebCrawler is a search engine, and one of the oldest surviving search engines on the web today. For many years, it operated as a metasearch engine. WebCrawler was the first web search engine to provide full-text search.",
    "lastEdited": "2026-09-22T06:44:02Z",
    "description": "Web search engine"
   }
  ],
  "checkedAt": "2026-10-23T09:35:16.065Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sitecheck-agent-intel-dev-wikipedia-deep-research-7b93c7de/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.fadeandco.workers.dev](https://www.zero.xyz/host/api.fadeandco.workers.dev/llms.txt)