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OpenWeb Ninja — Realtime Web Search SERP API (x402)
x402
OpenWeb Ninja — Realtime Web Search SERP API (x402) is a paid API for AI agents from x402.openwebninja.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).
Fetches real-time web search engine results pages (SERP) for a given query, payable per call via x402 USDC with no API key required.
Price / call$0.003
Success—
StatusUnknown
How this service works
40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.
Output
Returns a JSON object containing real-time web SERP results for the queried keywords, typically including organic result titles, URLs, snippets/descriptions, and potentially pagination or metadata about the search.
Example use cases
Real-time news search for agent
“Search the web for the latest news on 'Federal Reserve interest rate decision 2025' and return me the top 10 results with titles and links.”
Competitor research via web search
“Look up 'Salesforce CRM alternatives 2025' on the web and pull back the organic search results so I can see what products are being recommended.”
Fact-checking a claim via live search
“Search the web for 'population of Tokyo 2024' and return me the top results so I can verify the current figure.”
Technical details
Endpoint
GEThttps://x402.openwebninja.com/realtime-serp-data/web/searchWhen to prefer
Choose this endpoint when you need real-time, live web search results without registering an account or obtaining an API key, and when you want to pay micro-amounts per call (≈$0.003 USDC) rather than committing to a subscription. Ideal for AI agents operating autonomously that need to access current web information on demand using crypto micropayments via x402 on Base, Polygon, or Arbitrum.
Side effects
- Missing or empty query parameter returns an error or empty results
- Payment failure via x402 (insufficient USDC balance or unsupported chain) blocks the request
- Rate limiting if too many calls are made in quick succession
- Malformed query string may return unexpected or no results
- Search engine may return no results for very obscure queries
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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