---
title: "Stream gene summaries (lightweight, ~300KB)"
method: GET
path: "/sessions/{session_id}/variants/summaries"
tags: ["variants-streaming"]
---

# Stream gene summaries (lightweight, ~300KB)

`GET /sessions/{session_id}/variants/summaries`

## 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/summaries`
- Auth: none declared

Stream pre-generated gene summaries for instant case loading

## Path parameters

- `session_id` string, uuid, required

## Query parameters

- `expected_version` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service.md) · [All operations](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service/llms.txt) · [OpenAPI document](https://skmtc.dev/helena/apis/helix-insight-variant-analysis-service/revisions/fe51fd20cdf1?raw)