Business · KYB
Look up a GSTIN to confirm a business is registered, active and who it says it is — the foundation of merchant onboarding and MSME underwriting.
Overview
What the GST Verification API does
FinHub's GST Verification API returns the legal and trade name, registration status, taxpayer type, jurisdiction and filing activity for any GSTIN. It's how lenders and platforms verify a business exists and assess its health during Know-Your-Business (KYB) onboarding and credit decisions — with consent and audit trails built in.
Inputs
- GSTIN
- Consent artifact ID
Returns
- Legal & trade name
- Registration status
- Taxpayer type & jurisdiction
- Filing status / recency
POST /v1/business/gst/verify
How it works
Three steps to a verified result
Submit the GSTIN
Send the 15-digit GSTIN with a consent artifact over a single authenticated call.
Resolve business identity
FinHub returns the legal/trade name, status, taxpayer type, jurisdiction and filing activity.
Underwrite with confidence
Use active status and filing recency as signals in merchant onboarding and credit decisions.
Use cases
Where teams use GST Verification
- Merchant and seller onboarding (KYB)
- MSME and business-loan underwriting
- Supply-chain and vendor verification
- Invoice and tax-data extraction
FAQ
GST Verification API — FAQs
Common questions about FinHub's GST Verification API.
It returns the legal and trade name, GST registration status, taxpayer type, jurisdiction and filing activity for a given GSTIN, so you can confirm a business is registered and active.
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Ready to add GST Verification to your flow?
Book a demo and see the API return a verified result on your own test data in minutes.