> For the complete documentation index, see [llms.txt](https://docs.cleartax.in/cleartax-learn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cleartax.in/cleartax-learn/introduction-to-gst/what-is-a-gstin.md).

# What is a GSTIN

## What is a GSTIN number?

{% embed url="<https://Cleartax.in/s/know-your-gstin>" %}

## GSTIN search by PAN

{% embed url="<https://Cleartax.in/s/gst-number-search-by-pan>" %}