{
  "opencollection": "1.0.0",
  "info": {
    "name": "NCBI Entrez E-utilities History Info API",
    "version": "v1.0.0"
  },
  "items": [
    {
      "info": {
        "name": "Info",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "EInfo - Get database information",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://eutils.ncbi.nlm.nih.gov/entrez/eutils/einfo.fcgi",
            "params": [
              {
                "name": "db",
                "value": "",
                "type": "query",
                "description": "Target database. Omit to return a list of all valid Entrez databases."
              },
              {
                "name": "version",
                "value": "",
                "type": "query",
                "description": "Set to '2.0' for EInfo XML version 2.0 with additional field attributes."
              },
              {
                "name": "retmode",
                "value": "",
                "type": "query",
                "description": "Response format. Values: xml (default), json."
              },
              {
                "name": "tool",
                "value": "",
                "type": "query",
                "description": "Name of application making the call."
              },
              {
                "name": "email",
                "value": "",
                "type": "query",
                "description": "Contact email address."
              },
              {
                "name": "api_key",
                "value": "",
                "type": "query",
                "description": "API key to enable higher request rate."
              }
            ]
          },
          "docs": "Provides a list of all valid Entrez databases, or information about a single database including field names, index terms, links to other Entrez databases, and other metadata."
        }
      ]
    }
  ],
  "bundled": true
}