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$ man pubmed-search

/pubmed-search

agentutility / web-probe / pubmed-search
PRICE / CALL
$0.01
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
webprobe
CATEGORY
uncategorized
STATUS
live
NAME
pubmed-search searches pubmed for biomedical literature by free-text query, with optional date range and sort (relevance / pub_date / first_author)
SYNOPSIS
POST https://x402.agentutility.ai/pubmed-search
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }
↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.
DESCRIPTION

Searches PubMed for biomedical literature by free-text query, with optional date range and sort (relevance / pub_date / first_author). Returns total hit count plus PMID, title, authors, journal, publication date, abstract, MeSH terms, and DOI per paper. Federal public-domain data via NCBI. Use it as a medical journal lookup, NIH paper search, clinical-research finder, MeSH-term query, or NCBI E-utilities wrapper.

INPUTrequest schema
propertytypedescriptionreq?
querystringPubMed query string. Supports field tags ('cancer[Title]', 'Smith J[Author]'), boolean operators, and MeSH terms.required
limitnumberMax papers to return. 1-50. Default 10.optional
date_fromstringLower bound on publication date (YYYY/MM/DD or YYYY-MM-DD).optional
date_tostringUpper bound on publication date (YYYY/MM/DD or YYYY-MM-DD).optional
sortstringResult ordering. Default 'relevance'.
enum: relevance · pub_date · first_author
optional
include_abstractbooleanIf true (default), include the abstract text per paper. Set false for a smaller, faster response.optional
OUTPUTresponse shape
fieldtypedescription
totalstringTotal number of PubMed records matching the query, as reported by NIH E-utilities (string-encoded integer).
returnedstringCount of PMID results actually included in this response payload (string-encoded integer).
EXAMPLEStwo ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/pubmed-search \
  -H 'Content-Type: application/json' \
  -d '{ }'
first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.
EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster
npx -y @agentutility/mcp-<cluster>

# Required: EVM private key with USDC on Base
export X402_PRIVATE_KEY=0x...

# Then call the pubmed-search tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
tags
web-probebiomedical-searchpubmedliterature-searchresearch-papersmedical-researchncbipmid-lookup
methods
POST
cluster
webprobe
price
$0.01 USDC per call
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SEE ALSO
agentutility · webprobe · x402 · mcp · llms.txt · registry.json · bazaar.x402.org