Research
Journal profile by ISSN
Fetch a single journal record by ISSN (print or electronic). Returns the journal's title, publisher, subjects, DOI counts (current, backfile, total), per-feature coverage metrics (abstracts, ORCIDs, references, licenses, awards), and deposit flags telling you which features the publisher supplies for current vs backfile content. Data licensed CC0 by Crossref.
get/api/v1/research/crossref/journal/{issn}
Path parameters
issnstring required
Journal ISSN in NNNN-NNNX form (e.g. 0028-0836 for Nature).
Journal ISSN in NNNN-NNNX form (e.g. 0028-0836 for Nature).
Response
Full journal record with ISSNs, counts, coverage, and flags.
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",
"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"
]
}
}