> 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/e-invoicing-api/e-invoicing-api-reference/govt-compatible-apis.md).

# Government Schema

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These are lightweight APIs that cover the basic functionalities of e-invoicing.  The schema of these services is similar to the Government schema.

{% content-ref url="/pages/l3Zue6tUiyA6BHAQVt4A" %}
[Generate IRN](/cleartax-docs/e-invoicing-api/e-invoicing-api-reference/govt-compatible-apis/generate-irn.md)
{% endcontent-ref %}

{% content-ref url="/pages/MXPq3hs1KGzRZKYgbsbv" %}
[Cancel IRN](/cleartax-docs/e-invoicing-api/e-invoicing-api-reference/govt-compatible-apis/cancel-irn.md)
{% endcontent-ref %}

{% content-ref url="/pages/Z8q7iB7XBx0ooKS7tn9R" %}
[Get Invoice by IRN](/cleartax-docs/e-invoicing-api/e-invoicing-api-reference/govt-compatible-apis/get-invoice-by-irn.md)
{% endcontent-ref %}

{% content-ref url="/pages/tX6Nnl9xrZrMDl6Waes5" %}
[Generate E-Waybill by IRN](/cleartax-docs/e-invoicing-api/e-invoicing-api-reference/govt-compatible-apis/generate-e-waybill-by-irn.md)
{% endcontent-ref %}