> For the complete documentation index, see [llms.txt](https://docs.cleartax.in/product-help-and-support/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/product-help-and-support/clear-finance-cloud/cleare-invoicing/authorising-clear-to-generate-irn.md).

# Authorising Clear to generate IRN

Detailed flow of the onboarding and setup is covered in the [video](https://drive.google.com/file/d/16EAO_0EZzteN33yve6AHenOSZYyX60Iw/view).

### Authorising on ClearIRP

{% content-ref url="/pages/lrjtnfvHn2ZRvkAThUeP" %}
[How do I register my GSTIN on ClearIRP from Clear eInvoicing?](/product-help-and-support/clear-finance-cloud/cleare-invoicing/settings-configurations/clearirp-api-credentials/how-do-i-register-my-gstin-on-clearirp-from-clear-einvoicing.md)
{% endcontent-ref %}

{% content-ref url="/pages/IUKiwiAGkxMjMudtS1Vo" %}
[How do I create API creds if my GSTIN is already registered?](/product-help-and-support/clear-finance-cloud/cleare-invoicing/settings-configurations/clearirp-api-credentials/how-do-i-create-api-creds-if-my-gstin-is-already-registered.md)
{% endcontent-ref %}

{% content-ref url="/pages/jUbMQdGMVfr9IB32vUYQ" %}
[I have already created API credentials for my GSTIN, how do I add them?](/product-help-and-support/clear-finance-cloud/cleare-invoicing/settings-configurations/clearirp-api-credentials/i-have-already-created-api-credentials-for-my-gstin-how-do-i-add-them.md)
{% endcontent-ref %}

### Authorising on NIC

{% content-ref url="/pages/-MaF1SR6tkTlM-uV8GTS" %}
[NIC Credentials](/product-help-and-support/clear-finance-cloud/cleare-invoicing/settings-configurations/nic-credentials.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M\_4ec41JWiAt1zqy6bw" %}
[Register Defmacro as GSP](/product-help-and-support/clear-finance-cloud/cleare-invoicing/get-started-with-cleare-invoicing/account-setup/register-defmacro-as-gsp.md)
{% endcontent-ref %}


---

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