exa_web_search_publications $0.00875 per call

Search research publications. The search endpoint lets you intelligently search the web and extract contents from the results. (Exa · Open web & SEO data)

For AI agents: call exa_web_search_publications
POST https://toll402.dev/v1/p/exa.web.search.publications
{
 "query": "approximate nearest neighbor search HNSW",
 "category": "publication",
 "numResults": 3
}
Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server: npx -y toll402-mcp · remote https://toll402.dev/mcp.

Input schema

{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "a research question, method, or a vague recollection of the paper",
   "examples": [
    "approximate nearest neighbor search HNSW"
   ]
  },
  "category": {
   "type": "string",
   "description": "must be `publication`",
   "examples": [
    "publication"
   ]
  },
  "numResults": {
   "type": "integer",
   "examples": [
    5
   ]
  },
  "startPublishedDate": {
   "type": "string"
  },
  "includeDomains": {
   "type": "string",
   "description": "e.g. [\"arxiv.org\"]"
  },
  "contents": {
   "type": "object",
   "description": "{highlights: {query}} pulls the matching passage"
  }
 },
 "additionalProperties": true,
 "required": [
  "query",
  "category"
 ],
 "description": "results are paper pages (arxiv, publisher, DOI landing pages): url, title, publishedDate, author"
}

MCP

{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}

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