---
title: "Get Baseline File"
method: GET
path: "/polaris-baselines/{service}/{filename}"
---

# Get Baseline File

`GET /polaris-baselines/{service}/{filename}`

## Request

- Base URL: `https://api-docs.session-exchange.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api-docs.session-exchange.com/polaris-baselines/{service}/{filename}`
- Auth: none declared

Return the body of a served baseline file. spec.yaml is returned as
raw bytes (verbatim) to preserve YAML anchors; never re-serialized.

## Path parameters

- `service` string, required
- `filename` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/session-exchange/apis/a4sx.md) · [All operations](https://skmtc.dev/session-exchange/apis/a4sx/llms.txt) · [OpenAPI document](https://skmtc.dev/session-exchange/apis/a4sx/revisions/abaefc33dfc7?raw)