> For the complete documentation index, see [llms.txt](https://docs.cleartax.in/cleartax-docs/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-docs/master.md).

# Introduction to ClearTax APIs

## CFC (Clear Finance Cloud) APIs

{% content-ref url="/pages/7FtBOBqMUH9hulB1iDb7" %}
[Clear Finance Cloud](/cleartax-docs/clear-finance-cloud/introduction-to-clear-finance-cloud.md)
{% endcontent-ref %}

## KSA E-Invoicing APIs

{% content-ref url="/pages/-Mjhy-2KUECmrJ7XsRX3" %}
[API Lists](/cleartax-docs/e-invoicing-ksa-api/e-invoicing-ksa-api-reference/generating-e-invoice.md)
{% endcontent-ref %}

![](/files/-M3pbgjmuXdIz2RhsoJh)

## GSP APIs

{% content-ref url="/pages/-MB8JppIgncTgbmfC3WQ" %}
[GST GSP API](/cleartax-docs/gst-gsp-api/introduction-to-gst-gsp-api.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M9JchITE-174BtHtKp2" %}
[E-Waybill GSP API](/cleartax-docs/e-waybill-gsp-api/introduction-to-e-waybill-gsp-api.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MG9RBcNF9P35dg4-SDp" %}
[E-Invoicing GSP API](/cleartax-docs/e-invoicing-gsp-api/introduction-to-e-invoicing-gsp-api.md)
{% endcontent-ref %}