Try our GSTIN validation feature for free and reach us out at support@sepfust.com for demo & discussions.

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For GSTIN Verification API for integration with your accounting application or one-time bulk validation of GSTINs, please contact us at E: support@sepfust.com


How to Check GSTIN Number Status

Sepfust Solutions Pvt Ltd provides facility to validate GSTIN or GST Number of taxpayers in India in bulk. User will be able to upload or type GSTIN of a taxpayer and will be able to receive below information in real-time basis-
  1. GSTIN Status
  2. Legal name of the business
  3. Trade name of the business
  4. Constitution of business
  5. Taxpayer type
  6. Effective Date of Registration
  7. Principal place of business
User can check the validation of the GSTIN of the taxpayer either providing single GSTIN in the input field or they can upload an excel file containing GSTIN list to validate them in bulk or user can consume our GSTIN verification API for bulk verification.

What is GSTIN Number?

A GSTIN (Goods and Services Tax Identification Number) is basically your business's identity number in the GST system.


  • GSTIN Structure Breakdown
  • First 2 digits - State code
  • Next 10 digits - PAN of the taxpayer
  • 13th digit - Entity number under same PAN
  • 14th digit - Default “Z”
  • 15th digit - Checksum digit
This standardized structure enables system-driven validation across GST systems, ERPs like SAP, and compliance tools.

Why is GSTIN Validation Required?

GSTIN validation is required for various purpose some of which are as below -
  1. Customer onboarding i.e. while creating customer code in the ERP or accounting system of a company
  2. Vendor onboarding i.e. while creating vendor code in the ERP or accounting system of a company
  3. To identify GST taxpayer type - regular, composite, ISD, SEZ, etc. It is very critical to identify taxpayer type as GST compliance requirement for each type of taxpayer is different.
  4. To do correct Input Tax reconciliation (ITC) - it is often required by business to verify GST number of the vendor while claiming rightful ITC during monthly or quarterly GST return filling
  5. To raise the right tax invoice to the customer it is very important to capture & validate GSTIN of the customer on real-time basis specially for e-Commerce or online business
Sepfust also provides APIs to companies for GSTIN validation. Sepfust also provides GSTIN validation integration program with customer & vendor master for SAP & Oracle ERP.