---
title: "Changes to POST /udl/ionoobservation/createBulk"
method: POST
path: "/udl/ionoobservation/createBulk"
---

# Changes to POST /udl/ionoobservation/createBulk

`POST /udl/ionoobservation/createBulk`

> Every recorded change to this operation, newest first.
> 12 revisions in range; 1 could not be searched.

## Timeline

Changed in 2 of 12 revisions.

- **2025-09-26** `45631f9bb3f0`: 1 breaking
- **2025-04-16** `75f764c843a9`: 5 breaking, 4 warning, 4 info

## Changes

- **2025-09-26** `45631f9bb3f0`: 1 breaking
  - the `items/createdBy` request property's minLength was increased from `0` to `1`
- **2025-04-16** `75f764c843a9`: 5 breaking, 4 warning, 4 info
  - request property `items/polarization/data/items/items/items/items/items/items/items/` was restricted to a list of enum values
  - removed the enum value `O` of the request property `items/polarization/data`
  - removed the enum value `X` of the request property `items/polarization/data`
  - the `items/charAtts/items/d` request property format changed from no format to `char`
  - the `items/charAtts/items/q` request property format changed from no format to `char`
  - the `items/neProfileVersion` request property's min was set to `0.00`
  - the `items/scalerInfo/confidenceLevel` request property's min was set to `0.00`
  - the `items/scalerInfo/confidenceScore` request property's min was set to `0.00`
  - the `items/scalerInfo/version` request property's min was set to `0.00`
  - api operation id `createBulks_14` removed and replaced with ``
  - the endpoint scheme security `BasicAuth` was removed from the API
  - added the new `O` enum value to the request property `items/polarization/data/items/items/items/items/items/items/items/`
  - added the new `X` enum value to the request property `items/polarization/data/items/items/items/items/items/items/items/`

---

[Operation](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/docs/udl/ionoobservation/createBulk/post.md) - [API](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api.md) - [Page](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/changes/udl/ionoobservation/createBulk/post)