PubMed biomedical literature search API

Search PubMed (NCBI) for biomedical and life-sciences literature. Returns PMID, title, journal, publication date, authors, and URL. Answers 'recent medical research on X', 'PubMed papers about Y', 'studies on this drug/condition', 'biomedical literature on Z'.

Price$0.01per request

MethodPOST

Route/v1/science/pubmed

StatusLive

MIME typeapplication/json

Rate limit30/minute

Cache3600s public

sciencepubmedbiomedicalmedicalliteraturencbipapershealthresearch

API URLhttps://x402.hexl.dev/v1/science/pubmed

Integration docs

Example request

{
  "query": "CRISPR gene therapy",
  "limit": 1
}

Example response

{
  "query": "CRISPR gene therapy",
  "total": 8421,
  "articles": [
    {
      "pmid": "37000000",
      "title": "CRISPR-based therapeutics…",
      "journal": "Nature",
      "pubDate": "2026 Jan",
      "authors": [
        "Smith J",
        "Doe A"
      ],
      "url": "https://pubmed.ncbi.nlm.nih.gov/37000000/"
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "query"
  ],
  "properties": {
    "query": {
      "type": "string",
      "examples": [
        "CRISPR gene therapy"
      ]
    },
    "limit": {
      "type": "number",
      "default": 10
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}