> For the complete documentation index, see [llms.txt](https://docs.onum.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.onum.com/data-sinks-changelog/azure-blob-storage-data-sink.md).

# Azure Blob Storage Data Sink

Learn more about this Data sink type in [this article](/data-sinks/data-sink-integrations/send-data-to-azure-blob-storage.md).

<details>

<summary>v1.0.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">06/03/2026</mark>

* Added default value (`10000`) for `eventCount` in batch configuration to prevent unexpected behavior when batch mode is enabled but event count is not explicitly configured.
* Trimmed whitespace from connection string and credential values to prevent URL parse failures caused by trailing newline characters.
* Redacted sensitive SAS token parameters and account keys from error messages to prevent credential exposure in logs.

</details>

<details>

<summary>v1.0.0</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">06/03/2026</mark>

* Added compression options: gzip and bzip2.
* Made prefix optional to allow writing directly to the container root.
* Removed automatic underscore separator (–); users now have full control over prefix formatting.
* Replaced deprecated `sdkerrors.ErrorFound` with the error mutator pattern.
* Replaced deprecated `event.GetFieldAsBytesOrVal` with `value_resolver`.

</details>

<details>

<summary>v0.0.1</summary>

<mark style="background-color:purple;">**Released on**</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">06/19/2024</mark>

Initial version

</details>