> For the complete documentation index, see [llms.txt](https://docs.ventrata.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ventrata.com/octo-core/availability.md).

# Availability

The first step when making a sale is to check availability. If `allowFreesale` is set to `true` on the product then this step is optional, but it is still recommended to detect closures and operational limits.

{% openapi src="/files/9aBZzqykFPaTU7bfbNrr" path="/availability/calendar" method="post" %}
[openapi.yaml](https://221588849-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M7bgGIyO7QYNOfUMfxh%2Fuploads%2Fgit-blob-fa2d8cb1d7297d352c2639e6c4c6a990f2add6d7%2Fopenapi.yaml?alt=media)
{% endopenapi %}

{% openapi src="/files/9aBZzqykFPaTU7bfbNrr" path="/availability" method="post" %}
[openapi.yaml](https://221588849-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M7bgGIyO7QYNOfUMfxh%2Fuploads%2Fgit-blob-fa2d8cb1d7297d352c2639e6c4c6a990f2add6d7%2Fopenapi.yaml?alt=media)
{% endopenapi %}

{% openapi src="/files/9aBZzqykFPaTU7bfbNrr" path="/availability/calendar/batch" method="post" %}
[openapi.yaml](https://221588849-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M7bgGIyO7QYNOfUMfxh%2Fuploads%2Fgit-blob-fa2d8cb1d7297d352c2639e6c4c6a990f2add6d7%2Fopenapi.yaml?alt=media)
{% endopenapi %}

{% openapi src="/files/9aBZzqykFPaTU7bfbNrr" path="/availability/batch" method="post" %}
[openapi.yaml](https://221588849-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M7bgGIyO7QYNOfUMfxh%2Fuploads%2Fgit-blob-fa2d8cb1d7297d352c2639e6c4c6a990f2add6d7%2Fopenapi.yaml?alt=media)
{% endopenapi %}