curl --request POST \
  --url https://api.anysite.io/api/europepmc/articles/search \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "query": "<string>",
  "count": 2,
  "timeout": 300,
  "result_type": "core",
  "sort": "relevance"
}
'

[
  {
    "id": "<string>",
    "source": "<string>",
    "@type": "@europepmc_article",
    "pmid": "<string>",
    "pmcid": "<string>",
    "doi": "<string>",
    "title": "",
    "abstract": "<string>",
    "author_string": "<string>",
    "affiliation": "<string>",
    "authors": [],
    "journal": {
      "@type": "@europepmc_journal",
      "title": "<string>",
      "iso_abbreviation": "<string>",
      "medline_abbreviation": "<string>",
      "nlmid": "<string>",
      "issn": "<string>",
      "essn": "<string>",
      "volume": "<string>",
      "issue": "<string>",
      "issue_id": 123,
      "year": 123,
      "month_of_publication": 123,
      "print_publication_date": "<string>",
      "date_of_publication": "<string>"
    },
    "pub_year": 123,
    "page_info": "<string>",
    "first_publication_date": "<string>",
    "language": "<string>",
    "pub_model": "<string>",
    "publication_status": "<string>",
    "pub_types": [],
    "version_number": 123,
    "has_evaluations": false,
    "versions": [],
    "keywords": [],
    "mesh_headings": [],
    "chemicals": [],
    "grants": [],
    "comments": [],
    "full_text_urls": [],
    "license": "<string>",
    "is_open_access": false,
    "in_epmc": false,
    "in_pmc": false,
    "has_pdf": false,
    "has_book": false,
    "has_suppl": false,
    "has_references": false,
    "has_text_mined_terms": false,
    "has_db_cross_references": false,
    "has_labs_links": false,
    "has_data": false,
    "cited_by_count": 0,
    "date_of_creation": "<string>",
    "date_of_revision": "<string>",
    "first_index_date": "<string>",
    "web_url": ""
  }
]