> For the complete documentation index, see [llms.txt](https://help.protecto.ai/getting-started/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.protecto.ai/getting-started/protecto-overview/introduction/protecto-vault/bulk-data.md).

# Bulk data

When dealing with substantial amounts of data for masking, we use an asynchronous API to submit the request. We then track the progress using a unique tracking ID to retrieve the masked values.

For more detailed information, please reach out at <help@protecto.ai>.