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Heurist Mesh: Exa Web Search
x402
Heurist Mesh: Exa Web Search is a paid API for AI agents from mesh.heurist.xyz, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Searches the live web for any topic using Exa, returning filtered and digested results with optional time and domain constraints.
Price / call$0.005
Success—
StatusUnknown
How this service works
Search the web for any topics. MANDATORY: Use time_filter for ANY time-sensitive requests. Domain filtering should be empty for the first query of a topic, and if it returns too much noise, do another query with targeted trusted domains.
Output
A digested set of web search results including page titles, URLs, snippets or summaries, and publication dates. Results are filtered by time range and/or domain if specified, and are returned in a format ready for LLM consumption.
Example use cases
Breaking crypto news research
“Search the web for any major announcements or developments about Ethereum ETF approvals in the last 3 days — no domain filter needed, just give me the freshest results.”
Competitor intelligence from trusted sources
“Find the latest articles about OpenAI product launches from the past month, but only pull results from techcrunch.com and theverge.com to keep it reliable.”
Macroeconomic event lookup
“Search the web for news about the Federal Reserve interest rate decision from this week — use a time filter for the last 7 days so I don't get old articles.”
Technical details
Endpoint
POSThttps://mesh.heurist.xyz/x402/solana/agents/ExaSearchDigestAgent/exa_web_searchWhen to prefer
Choose this endpoint when you need fresh, real-time web search results — especially for time-sensitive topics like news, market events, or recent announcements. It is preferable over static knowledge bases when recency matters. Use domain filtering as a second step to reduce noise after a broad first query. Prefer this over the Firecrawl scrape endpoint when you want multi-result search rather than full-page extraction of a single known URL.
Side effects
- No results returned if query is too narrow or domain filter is too restrictive
- Stale or irrelevant results if time_filter is omitted for time-sensitive queries
- Payment failure if insufficient USDC balance for x402 protocol
- Rate limiting or timeout on high-traffic queries
- Domain filter returning noise if too broad a domain is specified
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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