Crossref Metadata Search
FreemiumLiveLast verified 24 Sept 2026
Search and fetch metadata for scholarly works by DOI, title, author, funder, or journal.
Example request
curl -s -A 'WildAPIsResearch/0.1 (+https://wildapis.com)' 'https://api.crossref.org/works/10.1037/0003-066X.59.1.29'
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Free and keyless for everyone; adding contact info (mailto param or User-Agent) routes you to a faster 'polite pool'. A paid Plus tier adds an SLA.
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