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OnchainExpat Wiki Search API
x402
OnchainExpat Wiki Search API is a paid API for AI agents from x402.onchainexpat.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Searches Wikipedia and returns relevant article content or summaries for a given query
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol
Output
Returns structured JSON with Wikipedia search results including article titles, summaries, URLs, and relevant metadata for the queried topic.
Example use cases
Real-time fact checking for content
“I'm writing an article about renewable energy. Can you search Wikipedia for information about solar power and wind energy to make sure I'm getting the facts right?”
Background research for customer support
“A customer asked me about the history of blockchain technology. Search Wikipedia for that and give me a brief overview so I can explain it to them properly.”
Educational content generation for students
“Search Wikipedia for information about photosynthesis and summarize the key processes involved so I can help explain it to students learning biology.”
Technical details
Endpoint
POSThttps://x402.onchainexpat.com/api/x402-tools/wiki/searchWhen to prefer
Choose this endpoint when you need pay-per-use Wikipedia search without managing your own Wikipedia API integration, especially in x402-enabled micropayment workflows where per-call billing is preferred over subscription models.
Side effects
- No results found for obscure or misspelled queries
- Payment failure if USDC balance is insufficient for $0.01 per call
- Query too vague returns unrelated articles
- Rate limiting or timeout if Wikipedia upstream is slow
- Empty response body if query parameter is missing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | Max results (default 10, max 50) |
| queryrequired | string | Wikipedia search query. Alias: 'q' |
| language | string | Wikipedia language code (default 'en') |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| query | string | |
| cached | boolean | |
| results | array |
Tags
x402
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