GSTIN Lookup & Verification Tool India 2026
Validate GST numbers instantly. Check state codes, PAN details, and entity types. Free tool for Indian businesses — no signup required.
Enter GSTIN
GSTIN Format Explained
24 — State Code (Gujarat)
ABCDE1234F — PAN Number
1 — Entity Type (Regular)
Z — Default letter
5 — Checksum digit
Verification Result
Save GSTINs Automatically
InfiBis auto-fills customer GSTINs on invoices, validates them, and keeps your customer database clean. No more manual lookups.
Try InfiBis FreeHow to Use This GSTIN Lookup Tool
Enter GSTIN
Type or paste the 15-character GST number you want to verify. The tool accepts uppercase and lowercase.
Click Verify
The tool instantly checks the format and breaks down the GSTIN into its components — state, PAN, entity type, and checksum.
Use the Result
Use the verified GSTIN on your invoices. For official registration status, cross-check on the GST portal.
Why GSTIN Verification Matters
Protect Your Input Tax Credit (ITC)
If you claim ITC on purchases from a supplier with an invalid GSTIN, your credit can be rejected during GSTR-2A reconciliation. Verify before you buy.
Avoid GST Notices
Invoices with incorrect GSTINs are a common trigger for GST scrutiny notices (ASMT-10, DRC-01). Clean customer data prevents this.
Ensure Valid Invoices
A valid GSTIN on your invoice is a legal requirement. Wrong GSTINs can make your invoices invalid for your customers' ITC claims.
Know Your Customer
The GSTIN reveals the state and entity type of your customer. This helps you determine the correct tax type (CGST+SGST vs IGST) for your invoices.
Stop Verifying GSTINs Manually
InfiBis auto-fills customer GSTINs on invoices, validates them in real-time, and keeps your customer database clean. No more manual lookups.
Try InfiBis Free