---
title: "Changes to Ingest Bat Sessions"
method: POST
path: "/api/v1/baseball/bat-sessions"
---

# Changes to Ingest Bat Sessions

`POST /api/v1/baseball/bat-sessions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 24 revisions.

- **2026-08-27** `9b0abde08b06`: 4 breaking, 9 info
- **2026-08-08** `c5f6b8674011`: 1 info

## Changes

- **2026-08-27** `9b0abde08b06`: 4 breaking, 9 info
  - the `header` request parameter `League` became required
  - the `header` request parameter `x-api-key` became required
  - `header` request parameter `League` list-of-types was narrowed by removing types `null`
  - `header` request parameter `x-api-key` list-of-types was narrowed by removing types `null`
  - added the new optional request property `sessions/items/swings/items/capturedAt`
  - added the new optional request property `sessions/items/swings/items/sourceSwingId`
  - added the new optional request property `syncMode`
  - for the `header` request parameter `League`, the type was generalized from no type to `string`
  - for the `header` request parameter `x-api-key`, the type was generalized from no type to `string`
  - the request property `season` became optional
  - the `speedUnit` request property default value changed from `mph` to `kph`
  - request property `season` list-of-types was widened by adding types `null` to media type `application/json`
  - the `season` request property's minLength was decreased from `1` to `0`
- **2026-08-08** `c5f6b8674011`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/preciser/apis/preciser-data-management-api/docs/api/v1/baseball/bat-sessions/post.md) - [API](https://skmtc.dev/preciser/apis/preciser-data-management-api.md) - [Page](https://skmtc.dev/preciser/apis/preciser-data-management-api/changes/api/v1/baseball/bat-sessions/post)