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SiteCheck Web Intel – PubMed Article Metadata
x402
SiteCheck Web Intel – PubMed Article Metadata is a paid API for AI agents from api.webintel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-25).
Fetches bibliographic summary metadata (title, journal, publication date, authors, DOI) for up to 20 PubMed articles by PMID using NCBI E-utilities esummary
Price / call$0.002
Success—
StatusUnknown
How this service works
PubMed article metadata by PMID (NCBI E-utilities esummary, public, no key): title, journal, publication date, authors and DOI for up to 20 ids. Summary fields only, no abstracts.
Output
Returns a structured record for each requested PMID containing: article title, journal name, publication date, list of authors, and DOI. Returns summary-level fields only (no abstracts). Covers up to 20 PMIDs per call.
Example use cases
Cite papers from a reading list
“I have a list of PMIDs from a systematic review — 31978945, 28465531, 22674478 — can you fetch their titles, authors, journals and DOIs so I can format proper citations?”
Verify authorship of a study
“I need to confirm who authored the paper with PubMed ID 33146667 and which journal it was published in — can you look that up?”
Enrich dataset with article metadata
“I've got a spreadsheet column of PubMed IDs: 34561234, 29876543, 31234567, 30098765. Can you retrieve the title, publication date, and DOI for each one so I can enrich the dataset?”
Technical details
Endpoint
GEThttps://api.webintel-api.workers.dev/api/search/pubmed-article-metadata?utm_source=zero.xyzWhen to prefer
Use this endpoint when you have one or more PubMed IDs (PMIDs) and need structured bibliographic summary data — title, authors, journal, date, DOI — without needing full abstracts or full-text. Prefer this over a general web search when you need reliable, structured NCBI-sourced metadata rather than scraped citation data. Supports up to 20 IDs per call, making it efficient for batch citation enrichment workflows.
Side effects
- Invalid or non-existent PMID returns empty or error record for that ID
- Supplying more than 20 PMIDs may result in truncation or error
- Malformed PMID string (non-numeric) causes validation failure
- NCBI E-utilities rate limits or downtime may cause upstream errors
- Articles without a DOI will return an empty DOI field
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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