# ExchangeRebel Wikipedia Related Articles

> ExchangeRebel Wikipedia Related Articles is a paid API for AI agents from exchangerebel.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-13).

Fetches Wikipedia articles related to a given topic or page via a GET request

## Facts

- Endpoint: GET https://exchangerebel.com/toll/wiki/related?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/exchangerebel-wikipedia-related-articles-2939f920
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_z19vrNq1tZ81YEXdpE1xS

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 exchangerebel-wikipedia-related-articles-2939f920
```

Example prompt: Can you find Wikipedia articles related to 'quantum entanglement' for me?

## When to prefer this

Choose this endpoint when you need to discover related Wikipedia articles for a given topic — useful for research expansion, knowledge graph building, or surfacing connected encyclopedia content. Prefer this over general web search when you specifically want Wikipedia-sourced related topics rather than broader internet results.

## Known failure modes

- Missing or empty 'input' query parameter returns an error
- Invalid query type or method returns a validation error
- No related articles found for obscure topics may return an empty result
- Rate limiting or payment failure results in 402 response
- Network timeout if Wikipedia upstream is slow

## How this service works

wikipedia-related

## Output

Returns a list of Wikipedia articles related to the queried topic, likely including article titles, links, and possibly brief descriptions or summaries of each related page.

## 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"
    }
   }
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/exchangerebel-wikipedia-related-articles-2939f920/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from exchangerebel.com](https://www.zero.xyz/host/exchangerebel.com/llms.txt)