Cortexa research tool·genomics·ena_portal

ENAPortal Count Records

Count the number of records matching a query in the European Nucleotide Archive (ENA). Supports counting studies, samples, reads, and other result types. Useful for estimating dataset sizes before downloading. Example: counting studies with 'description="transcriptomics"' returns ~9,000+, showing the breadth of transcriptomics data in ENA.

Livelast probed 2026-04-30 23:07Z· 107msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 107ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "query": {
      "description": "ENA search query. Examples: 'description=\"cancer\"', 'tax_tree(9606)', 'description=\"CRISPR\" AND tax_tree(10090)'.",
      "type": "string"
    },
    "result_type": {
      "description": "Type of records to count. Options: 'study', 'sample', 'read_run', 'analysis', 'assembly'. Default: 'study'.",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "required": [
    "query"
  ],
  "type": "object"
}

Examples (1)

Default ENAPortal Count Records call

public-safeinput

{
  "query": "BRCA1"
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_ENAPortal_count_records
Tool name: ENAPortal_count_records
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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