# Changelog of Research Papers Search API: arXiv, PubMed, Crossref, DOI (`solidfetch/research-papers`) Actor

- **URL**: https://apify.com/solidfetch/research-papers/changelog.md
- **Full Actor documentation**: https://apify.com/solidfetch/research-papers.md

## Changelog

### 0.1

- Search OpenAlex, Crossref, arXiv and PubMed in one run, with DOI deduplication and open access links.
- BibTeX output and a `paper` row type; only papers with a title and a DOI or URL are charged.
- Source failures and repeats are saved as free rows; OpenAlex circuit breaker and arXiv pacing.
- Dataset schema fields, output schema descriptions and input examples added for easier use from AI agents and MCP clients.