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SAN Foundation Web Search
x402
SAN Foundation Web Search is a paid API for AI agents from gateway.sanfoundation.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-15).
Search the open web for a topic and return up to 10 ranked results with source URL, title, publish date, and relevant excerpts
Price / call$0.03
Success—
StatusUnknown
How this service works
Search the open web for a topic and return ranked results with relevant excerpts. Each result includes the source URL, page title, publish date when known, and the excerpts the underlying ranker scored as most relevant.
Output
Returns an array of up to 10 ranked search results, each containing: source URL, page title, optional publish date (when known), and an array of text excerpts that the underlying ranker scored as most relevant to the query.
Example use cases
Competitive research for a startup
“Search the web for recent news and reviews about Notion's AI features — I want to see what people are saying and which sources are covering it.”
Fact-checking a claim before publishing
“Search the web for 'FDA approval mRNA cancer vaccine 2024' and show me the top results with excerpts so I can verify whether this is accurate before I share it.”
Background research on a new client
“Can you search the web for information about Palantir Technologies' recent government contracts? I need ranked results with excerpts I can review.”
Technical details
Endpoint
POSThttps://gateway.sanfoundation.com/x402/v1/web-searchWhen to prefer
Choose this endpoint when an agent needs to retrieve ranked, excerpted web search results from the open internet in response to a free-text query — especially when source attribution (URL, title, date) and ranked excerpts are required. Prefer it over a URL-fetch endpoint when you don't already have a specific URL and need discovery. It is well-suited for research, fact-checking, and information gathering tasks where breadth of sources matters.
Side effects
- Empty results array if query matches no indexed pages
- Payment failure or 402 error if USDC payment is not processed correctly
- Malformed query may return low-quality or unrelated results
- Publish date may be null if the page does not expose a date signal
- Rate limiting or gateway timeout on high-volume usage
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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