# Register GSTIN and Link NIC API Credentials

In this tutorial, you'll learn how to add a new GSTIN and the respective NIC API credentials. You'll also learn how to create them on the government portal and add them into Cleartax

{% embed url="<https://youtu.be/dnaMEEL7HxQ?si=gvOLzSQA0aQ6CfZh>" %}
Learn how to register your GSTIN and connect it to the NIC portal
{% endembed %}

{% stepper %}
{% step %}
Navigate to the E invoicing product.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXf8y-oz6kqWj2S8D5mFnpSw6VEIPkg-UkvF2XVw8oh0fG4_lPOJks13b-HYpNAF0MmS9xK0euJiF4uP_BnMXTgNNuG90UWV82LN0ttOUUQCt6ARBjBpf6gB-NBsSUnNjVEq8d_i4g?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Go to Settings.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfnjbfOfxFNlq96jzY3PlC0mE5x1vXWwIbvEexP_F_xfVCAA-93BESvTAgOFPVX_PlEPJYvUdGR0OTQGAxHxkXs4UyGz-bQLkMOaJhn80Q3ou1WTwZaE8Z3Zd2xizu0Y_x-vWUxvg?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Find the Business Setting.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXeQVf0v79MTfFVK7vLMzvuoNBYj8Gn_-6FRBQxHDJthD2PUR_vXW3h35I9uslkH2fTBkGjTQ2EglDQsqb9ByucPvQ2L5zFkgube5ShdV-PnIbF1_E_VsGSBLH33qw4aHfDRiYzr3Q?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Add a new business.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXe-OB3iigS9-0ItZlscmvgCUV7K_EVL__zPZ-p5oIMisiJnCxTDNupcuXQs4uUbPznuxzTJIeWrwI14CD8RS4mx6AOe8GWGjzn5bK6Gd9sV9UjOOeFUm8sl6_1dXi9JUl8aIoqR?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcbJr1S0kRZ8wDmQCIrodDRHwJTdWVb_TZ_nmOeene63FDDU3pAw-cEQC_6EdwW3evrgsCsAPUY87Zzieg_TjxVX1T4yJeuu2izF6fe43fOhguVJJ3lp88yk_tmuioZFp55-SXX1A?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Save the new business.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXd9RvVRlQJvhSyIFxScIwqTaHT2oppZlA6pxkW3-84RZWQ87Yx-8f4sN4f0B3fE1UwFe8t_eFDryMuU6Jg2Lzr5-3tRXMZXU44tN2VGREScsbl5cdaCK8EkMMKbq_JMUP_T3-AkVQ?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcUuQUr4TMYHb0dBNT6J6UXb5sxsDvU7QfeyBrG4UPygEA3tOj9f_wCrJXWUf9sK-Ovp7CWDGXr6GtBn7mAfJAXu3CzhNWWlzXt95AYN90w_LOnvoXmR1fahev0aYHbZaE7ivyr?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Verify that the GST reflects under your PAN or respective business.
{% endstep %}

{% step %}
Navigate to API Credentials.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXeH-rLUHL_0FVGuuvQ67cFVpub0b_tuHXfyosmr15Kbu2ho77YdUXTO3sCBdcs4GfrxcJr3qtLRzy1qqvBRvimfetOG3g-xec2pwPcItMLUXlXT6_iDa-NUh0gMK5G30oXEgCvB?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Log into the government portal.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXe_SLDWHpsQAnMUIwy3N7F0KoukQKAYbhcnawlAEfmhOigZ-kSDTcOkvNpghb_8Y6KcdIoSyOFsXSkoBS86GDyBVs0G1Nh7i15vsVL_dbA7oaN_LA27cSkdHtyJvb6PtxH-EdFDHg?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Visit the portal and go to Invoicing Enablement if it's a new GSTN registration.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcxcILxKWHUIJsaYFe7qQOqZerjXxOOOCxmSmyKaydV2mySnnNEc3OM6WGn2LWxYl4aNxeT00AfmxCixQ_FbjBWo35gJRqhXNNTTYlPH8sS_L8eNBlKHZ2WgXjYhOmlrVK1h0hFiw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Proceed to Portal Login.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfJeos3TtCxeSpfI65CM5npqr2zvnd8sMRTlkmwWZWX5zf34RdxNRdHVR_-AHriEaG3HoxHj4EwXQ3EAJtTNna1zZAMSXlFjj7cvO3jdUIfGNJCqDp6T-VNOm6hJxWbF3KT3rhqbw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Create a username and password.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXftMcecqPGAeoiu2Npuuf-TFk6PlE60LEdybh9qodI1CFJoRX_en-hP4f9XNqdNwTRscqcGuqu7jcPV8NDp2fGEWkQCwJVJZRLnOPbFieqYeZoYoIFQo-uaHdF6bV3kUvzwoIfjDw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

{% endstep %}

{% step %}
Use the generated username and password to log in.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXerS3ARIhSomYL3uWEkK-bcmkjElSygWr-RbDGukv4eIO9r0DyiQpxVNRLnNXsud0d2PugkVvp9qYd1h_Ec5LMdrlaVttqE_r0cnseGb8RHx9cljPccaq-aMnmhRAe7CVov8H40?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXetuDeV2PDaMjSAWQdTTMGTz6VXwK3eaue8UOScYnRcQJD7hXL4Sa4smaL3H3MBy2kgQC9YbTER1FiHYC3Kj2vPi0dse8R1iYuyVUkQPSlrIah6OBfyDjGHV4qnJDp7gProt3jvGw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Complete the registration for two-factor authentication or undertaking statement.
{% endstep %}

{% step %}
Navigate to API Registration on the E Invoice 1 portal dashboard.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcJh7ecDgw4GUlMDrGt97A2A0KDn87liQ15evG07dNc9yx2pfrzLq80moxdvvrqbVNKLtByr50BGKckISGAeOR1CjjOMf25tmOJNDWHpEV-UMdRae1ioB54CctKIVcoEvp0sAT6Qw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Find and click on Create API User.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfPEHh1C-Hr7eGXIzP7j07bqgsmUKj21trGVDjVymxTB42i_WRK6fAZkz582szVyeiqwaJ_D8X_pVvVULdKe-fKSRKnAHdbT11dnvUmEpVjqHfZDN80gUjJS-k8fIF7sOfVkmyr1A?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfmjAT6jASrbFL0wbNfTeVExyWlSyDUuwOnyVAlRpPslIevVy0E5JecRPSfEL5D8nwfKsuJjEJXXKxGUrPpYutcD5DeP8ZiayB4CVzKFW7evP3kCHuwKdTNghNyoA6IjfXijFRvOQ?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Register through GSP Government Suvita provider.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcZHmF9DgU5C__yJ7WHC2tRtoM6IdsNop6KGbhtr_f5KLcjI2sadKbH2ddaSqyt3lE3HI5S83_tK8BgzfTyCXMdoUTSHxC8cnCkWf9FuYUYMNOZ0QvjmF7w_LPaNLzPMpKjlpuNPw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Choose your GSPF clear tax.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcFyQ2WJ8e-eHYueW0e8KhWn8k32ijyJRKl6S_XXXKWFV-h0ji_gNcqpDrablnbzJtAJZ0TzRRu146la1oZPe9X30a3JTo1JjQgfuCCV6eZxdFc4f7W-KTb5gKtOuIC4JWNtfeHLA?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Declare your username with the prefix of AP underscore and the respective chosen password.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXc-zW-ubERRbXxhjQ2am2X8HrMrqrt39C5xyA368ZeteFBjPNj0pVwioPuV_F_VX8rdb8-h0VaxBIdauwy5STYMBU3KLpj0z-APkS0qEr2-y_fUhjVDSUINy0UCdBPAT-h5L_mZ?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Go back to Clear Text and click on Add API Credentials.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXf4nRAo25LjS959GHJ_mnuop1EnVlFOBMr4j1NWb6EXrZr3VGWNWndK30EmpmsKpoO9D40_f_Xqwg7EA87IYVw9mx1bk6ksOb2Sltxllh5B5GRnsLQ3b4MVtVQqrhVGLxklIOa62g?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXeVLW-YgccBVQcBK130e86SR-epZh4-KMVI0f1jigmlBSSCYI0MQfHuPy7EpEPTEvNXHufWP4srwhYQHp_d8smRFBRJquOf0ETnRv1Wi0KugtRW2jYAcsvzx7i1JRLGEdJQUrJYQw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Choose the respective GSTN and click on Continue.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXdOMmOi3REDUMzSHGIs7rZM_OBcKAmIFbOMmFasTb7CP-xH-IdfTHvmxCXALC9CNkWEx7QY77RxC4wK5BtSU7q97shlejyQJUPGxgPWFWaD_nOm5WaJq4k8IVDBXKJV7SaSTX7X?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcBnpRQKy2oQBS19diL1um5m5D5WGB9ed6dwE9d7dSyRgrG8d0936asqq4ajmqubCuT8D-LaL3AAmBBp4aGnRhwsJ-Xv7vG1y_QH6u_IQhwyJEJ2uYk1JwvwAoxueAciKtQwzGm?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Log in to the NIC username page.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXdJcDXjrIQ8qDHBs-OiDb0BiGOLJxqBfGhw-HOs1fFc_lhtcMw6jXUAPlc2pTOGVF1nimB5Occtr017JX4l1nOXh5ku5EZXyJR615D5vULtdWjQz43ebuuUMx8S5ip8YcCDH20OhA?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Provide the NIC API username and password.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXdhV2HWgmdPQCKaKkH8t1rlhal5wFPnPkZ4VIqoJ7knEBGcyynowK-kQmn1VRfhYRxZTuNU0JKKpw_1OtuPM5vZ3FuCKGI5_rpOE887YI8iOWoVbx1eHd0Q5jUB_9LXvgRQhvco?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfKhTYZA4LXRjPtMmSVLvRBNRlKBfdi32597YGBytQYc1w0CbSQ7hH09N2vQjMEGES11jymmEoNGq6KOPQSXA86LSIUA8RGFC8bdyJFFvL1uXjYlpNzEoIxlp9Q4Ueo4i9hN8gFFQ?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfet_Uz1oVisRtnTEgcqcccLUAaEr_Z0Ii4oJRjeLFLf7m_SAmUL9_uJXMoI5jOSFi05v2u2ivUMTrKYRinTx7sRUtlxpX9USOvuCR_uO5h3Np9MMBrjyciq7haIQ7J9LnvD-Ab?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfEJSgeVimCZJNxKpcWmmsUv0dhvOVLJPG49qYB7YxWE2foP9ogdyK0J8EP-YTHEqkAbTe-G3HBNzKVfYyLL1CvQqwH1wlVpA4Ly5ct3qsVsmtviiCgadeFrmcbv7Os1uGBzjHEvw?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXejy29zeTxaX1uolGPjYrLUixWlrKkv3iVwTJsB68wqK5JU5O9a3so1HjErflrFtJSmqmOO5MT81LLqs2W8ExEmkW7HkY1UNm8EQFhofqz-gGXUVIKnO4m_SYH-54mWMlFJHOg92Q?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXcRikO9NbDq693GiVbAhp-_P9fAUkdhA4Gp9jyHRLHwCSeIxjYzWkP3OD4IpDCAIiQUMN02de_sPjFGybtt4dd8MlbR4lOPczRrfgKgdYsgA2fhOA5KKI_3DTStb7Tos80P0OXgNg?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXdqFWvB8BUp4K21KHYL40pDy5Xowr6c1TvkcYWxVPIQ9OJpOsD3i4WoZKYFtH0cwWMWKcQqS_8lAdWuxyEOaXCV3FcmimC4G6YRSwtaQujz_bzJi8jnS1_32UdpJfS4pGtDEV8qtA?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}
Save the username and password.

<figure><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXezFDpkkWyWznLVw2JvgNvJ9qzmfsh7HoiPvTjMHDFXk4dSdgnKHmSyb1kSsJGlPwYelMuhwddiJIVKwfABAA5rT40I2N3K0qKYU8VHJJ8lNrufy2_vZYx0zTSzaH2-W1UdZWKl?key=buRS5lsXWGuwbSjnmneV1g" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}

That's it! You've now added a new GST into the Clear Tags business and added its respective NIC API credentials.

<br>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.cleartax.in/product-help-and-support/for-large-businesses/e-invoicing/register-gstin-and-link-nic-api-credentials.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.