---
title: "Get variant statistics"
method: GET
path: "/sessions/{session_id}/variants/statistics/summary"
tags: ["variants"]
---

# Get variant statistics

`GET /sessions/{session_id}/variants/statistics/summary`

## Request

- Base URL: `https://api.helena.bio` (the document declares no server; this is the origin it was published from)
- URL: `https://api.helena.bio/sessions/{session_id}/variants/statistics/summary`
- Auth: none declared
- TypeScript: <https://skmtc.dev/helena-bioinformatics/apis/helix-insight-variant-analysis-service/docs/sessions/:session_id/variants/statistics/summary/get.ts> (a function with typed inputs; its response is checked against the schema)

Get aggregated statistics about variants

## Path parameters

- `session_id` string, uuid, required

## Query parameters

- `acmg_class` string[], nullable: Filter by ACMG classifications

## Response `200`

Successful Response

- VariantStatisticsResponse: Variant statistics response.
  - `total_variants` integer, required
  - `classification_breakdown` object, required
  - `tier_breakdown` object
  - `impact_breakdown` object, required
  - `top_genes` object[], required
  - `curated_count` integer: mtDNA curated variant count

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/helena-bioinformatics/apis/helix-insight-variant-analysis-service.md) - [All operations](https://skmtc.dev/helena-bioinformatics/apis/helix-insight-variant-analysis-service/llms.txt) - [OpenAPI document](https://skmtc.dev/helena-bioinformatics/apis/helix-insight-variant-analysis-service/revisions/a800b0b27feb?raw)