---
title: "Delete Baselines"
method: DELETE
path: "/api/v1/biomech/baselines"
tags: ["Biomech"]
---

# Delete Baselines

`DELETE /api/v1/biomech/baselines`

Delete complete precomputed baselines for the selected players.

## Headers

- `x-api-key` string, required — Required API key issued by Preciser.
- `League` string, required — Required tenant/database selector, for example pitchbio-master.

## Request body

- BiomechBaselinesDeleteRequest
  - `players` PlayerRef[], required
    - `player_id` string, nullable — Canonical player_id
    - `alias` string, nullable — Pitchbio player alias, for example pitcher_001

## Response `200`

Successful Response

- BiomechBaselinesDeleteResponse
  - `success` boolean, required
  - `players_deleted` integer, required
  - `player_ids` string[], required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/preciser/apis/preciser-data-management-api.md) · [All operations](https://skmtc.dev/preciser/apis/preciser-data-management-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/preciser/preciser-data-management-api/revisions/9b0abde08b06/schema)