{
  "opencollection": "1.0.0",
  "info": {
    "name": "OpenCitations Index REST Authors Metadata API",
    "version": "2.2.0"
  },
  "request": {
    "auth": {
      "type": "apikey",
      "key": "authorization",
      "value": "{{authorization}}",
      "placement": "header"
    }
  },
  "items": [
    {
      "info": {
        "name": "Metadata",
        "type": "folder"
      },
      "items": [
        {
          "info": {
            "name": "Get bibliographic metadata by ID",
            "type": "http"
          },
          "http": {
            "method": "GET",
            "url": "https://api.opencitations.net/index/v2/metadata/:ids",
            "params": [
              {
                "name": "ids",
                "value": "",
                "type": "path",
                "description": "One or more bibliographic entity IDs separated by \"__\". Supported prefixes: doi, issn, isbn, omid, openalex, pmid, pmcid.\n"
              },
              {
                "name": "require",
                "value": "",
                "type": "query",
                "description": "Removes rows with empty values in the specified field"
              },
              {
                "name": "filter",
                "value": "",
                "type": "query",
                "description": "Applies conditional filtering. Supports regex or operators (=, <, >). Format: field:operator:value. Example: date:>2015\n"
              },
              {
                "name": "sort",
                "value": "",
                "type": "query",
                "description": "Orders results by field in ascending or descending order. Format: asc(field) or desc(field).\n"
              },
              {
                "name": "format",
                "value": "",
                "type": "query",
                "description": "Output format. Accepts \"csv\" or \"json\" (default)."
              },
              {
                "name": "json",
                "value": "",
                "type": "query",
                "description": "Transforms JSON data structure. Supports array splitting or dict conversion.\n"
              }
            ]
          },
          "docs": "Retrieves the bibliographic metadata for each of the bibliographic entities identified by one or more input IDs.\nEach ID is built as follows: ID abbreviation + \":\" + ID value. For example, \"doi:10.3233/ds-170012\" indicates a DOI identifier with value \"10.3233/ds-170012\".\nSupported ID abbreviations: doi, issn, isbn, omid, openalex, pmid, pmcid.\nMultiple IDs can be specified separated with double underscore \"__\". Example: doi:10.1108/jd-12-2013-0166__doi:10.1016/j.websem.2012.08.001\nFields returne"
        }
      ]
    }
  ],
  "bundled": true
}