Unpaywall
Unpaywall is now part of OpenAlex, and Unpaywall support is managed by the OpenAlex support team. To report a data-quality issue or open-access status correction, email support@openalex.org.
- Recommendation for IRs: License reporting
- How are documents located from repository records?
- How are repository records matched to published articles?
- Recommendation for IRs: Version reporting
- How do I make the Unpaywall extension work on my site?
- Preventing Code Injection - Using Text From Unpaywall Safely
- What do the fields in the API response and snapshot records mean?
- What counts as an Open Access location?
- What do the host_type values "publisher" and "repository" mean?
- What does oa_date mean and how is it determined?
- What is an OA license?
- How do I use the title search API?
- Which DOIs does Unpaywall cover?
- How is the best OA location determined?
- What does is_paratext mean in the API?
- Link Resolver Integrations
- Unpaywall Change Notes
- How do I read JSONL files?
- Why does the Unpaywall plugin say this paywalled article is Open Access?
- How do we decide if a given journal is fully OA?
- Paper version definitions