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

# Changes to POST /udl/soiobservationset/createBulk

`POST /udl/soiobservationset/createBulk`

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

## Timeline

Changed in 3 of 12 revisions.

- **2025-10-23** `09bd422d5ac1`: 1 info
- **2025-09-26** `45631f9bb3f0`: 1 breaking, 1 info
- **2025-04-16** `75f764c843a9`: 1 breaking, 2 info

## Changes

- **2025-10-23** `09bd422d5ac1`: 1 info
  - added the new optional request property `items/radarSOIObservationList/items/waveformNumber`
- **2025-09-26** `45631f9bb3f0`: 1 breaking, 1 info
  - the `items/createdBy` request property's minLength was increased from `0` to `1`
  - added the new optional request property `items/opticalSOIObservationList/items/declinationRates`
- **2025-04-16** `75f764c843a9`: 1 breaking, 2 info
  - the `items/opticalSOIObservationList/items/currentSpectralFilterNum` request property format changed from `int32` to `int16`
  - api operation id `createBulks_31` removed and replaced with ``
  - the endpoint scheme security `BasicAuth` was removed from the API

---

[Operation](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/docs/udl/soiobservationset/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/soiobservationset/createBulk/post)