# When updating list data via the API, null values fail to overwrite pre-existing data

**URL:** <https://community.yeeflow.com/t/when-updating-list-data-via-the-api-null-values-fail-to-overwrite-pre-existing-data/390>\
**Category:** Ask the community\
**Tags:** data-list\
**Created:** [April 24, 2025, 9:51am UTC](https://community.yeeflow.com/t/when-updating-list-data-via-the-api-null-values-fail-to-overwrite-pre-existing-data/390 "2025-04-24T09:51:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![CHENZHENGHAO](https://avatars.discourse-cdn.com/v4/letter/c/4491bb/32.png) [@CHENZHENGHAO](https://community.yeeflow.com/u/CHENZHENGHAO)\
**Post date:** [April 24, 2025, 9:51am UTC](https://community.yeeflow.com/t/when-updating-list-data-via-the-api-null-values-fail-to-overwrite-pre-existing-data/390/1 "2025-04-24T09:51:08Z")

</div>

When using Yeeflow’s API to update specific list entries, attempting to replace original values with empty strings " "fails to overwrite the existing content.