> 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/for-large-businesses/cleargst/get-started-with-cleargst/advanced/collect-gstin-of-customers.md).

# Collect GSTIN of customers

## Guide to collect GSTINs of customers

### Step 1: Contact Master

Go to your business dashboard and click on ‘Contact Master’ under ‘More’

![](/files/-MaiCP8v0Bf3GGQUPhA_)

### Step 2: Request GSTIN

Select the customer or vendor and click on 'Request GSTIN'

![](/files/-MaiE-RXs9s0eOyBnXpe)

### Step 3: Link message on phone

Requested customer or vendor will receive a message on their phone with a link

![](/files/-MaiEYoIAX0Fwoto2R6E)

### Step 4: Fill Customer Details

The customer has to click on the link and fill the details as directed. Next click on ‘Continue’

![](/files/-MaiF0ZHSxko_ZRdfyvI)

### Step 5: Fill Customer Address details

Now fill the address line of details and click on ‘Submit’

![](/files/-MaiFK43dPK09Kkw7HmH)

{% hint style="success" %}
Customer’s GSTIN will be updated on your dashboard
{% endhint %}

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