{ "opencollection": "1.0.0", "info": { "name": "ClinicalTrials.gov REST BioSample Stats API", "version": "2.0.5" }, "items": [ { "info": { "name": "Stats", "type": "folder" }, "items": [ { "info": { "name": "Study Sizes", "type": "http" }, "http": { "method": "GET", "url": "https://clinicaltrials.gov/api/v2/stats/size" }, "docs": "Statistics of study JSON sizes." }, { "info": { "name": "Field Values", "type": "http" }, "http": { "method": "GET", "url": "https://clinicaltrials.gov/api/v2/stats/field/values", "params": [ { "name": "types", "value": "", "type": "query", "description": "Filter by field types" }, { "name": "fields", "value": "", "type": "query", "description": "Filter by piece names or field paths of leaf fields.\nSee [Data Structure](/data-api/about-api/study-data-structure) for the available values.\n\nIf specified, must be non-empty comma- or pipe-separated list of fields to return." } ] }, "docs": "Value statistics of the study leaf fields." }, { "info": { "name": "List Field Sizes", "type": "http" }, "http": { "method": "GET", "url": "https://clinicaltrials.gov/api/v2/stats/field/sizes", "params": [ { "name": "fields", "value": "", "type": "query", "description": "Filter by piece names or field paths of leaf fields.\nSee [Data Structure](/data-api/about-api/study-data-structure) for the available values.\n\nIf specified, must be non-empty comma- or pipe-separated list of fields to return.\nIf unspecified, all available stats will be returned." } ] }, "docs": "Sizes of list/array fields.\n\nTo search studies by a list field size, use `AREA[FieldName:size]` search operator.\nFor example, [AREA\\[Phase:size\\] 2](https://clinicaltrials.gov/search?term=AREA%5BPhase:size%5D%202)\nquery finds studies with 2 phases." } ] } ], "bundled": true }