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PubMed Search API (Synapse)
x402
PubMed Search API (Synapse) is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).
Searches PubMed biomedical literature and returns matching article metadata including PMID, title, journal, and publication date.
Price / call$0.002
Success—
StatusUnknown
How this service works
Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.
Output
Returns a JSON object containing the total count of matching articles and a list of result objects each with PMID, article title, journal name, and publication date.
Example use cases
Drug research literature review
“Search PubMed for scientific articles about metformin and its effects on gut microbiome — I want to see the titles, journals, and publication dates of what comes up.”
Rare disease research discovery
“How many PubMed papers are there on Duchenne muscular dystrophy? Can you pull up some recent results with the journal names?”
AI agent biomedical fact-checking
“Find PubMed articles about the link between BRCA1 mutations and ovarian cancer risk so I can verify the claims in this report.”
Technical details
Endpoint
GEThttps://anibalb.duckdns.org/x402/pubmed-search?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, no-account, pay-per-call access to PubMed biomedical literature search at $0.002 per call — ideal for AI agents that need to query medical research programmatically without registering for NCBI API keys or managing credentials.
Side effects
- Empty or vague query returns zero or irrelevant results
- Payment failure via x402 if insufficient USDC balance
- Rate limiting or timeouts if the underlying NCBI PubMed service is slow
- Malformed query string may return unexpected results
- DuckDNS host may be temporarily unavailable or change IP
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1149875,
"query": "diabetes",
"results": [
{
"pmid": "42932781",
"title": "...",
"journal": "...",
"pubdate": "2026"
}
]
}
}Tags
x402
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