Research

Full metadata for a DOI

Changed on

Fetch a single scholarly work by DOI. Returns the full Crossref record including bibliographic metadata (title, authors, container, volume/issue/page, ISSN, language), dates (created, deposited, indexed, published), counts (reference-count, is-referenced-by-count), and deposited lists (references, licenses, full-text links, funder acknowledgements). DOIs contain forward slashes; pass them unencoded in the path segment. Data licensed CC0 by Crossref.

get/api/v1/research/crossref/works/{doi}

Request

  • Base URL: https://sugra.ai
  • URL: https://sugra.ai/api/v1/research/crossref/works/{doi}
  • Auth: API key in header x-api-key

Path parameters

doistring required

DOI of the work (e.g. 10.1038/nature12373). Forward slashes are preserved.

Response

Full work record plus indexed_date_time mirroring meta.data_time.

Example response

{
  "meta": {
    "endpoint": "/api/v1/fred/us/cpi",
    "data_time": "2026-04-16T14:30:00Z",
    "response_time": "2026-04-16T14:30:12Z",
    "provider": "Sugra API v1.0.1",
    "data_age_days": 8.532,
    "source": "sugra_crypto",
    "attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
    "fallback_chain": [
      "sugra_crypto",
      "sugra_finance"
    ],
    "stale_since": "2026-09-08T12:00:00Z",
    "period": "2026-Q1",
    "notes": "the UKMTO report behind these counts is dated 2026-08-21 and is 11 days old"
  }
}

Changes