Verify any GSTIN in milliseconds
GSTIN API gives developers and businesses instant, accurate GST number verification — taxpayer details, filing history, and e-invoicing status from a single REST endpoint. A GST compliance API built for India, verifying against live government records.
Everything you need to verify GST numbers
One API, complete taxpayer data, and pricing that scales with how much you actually verify.
Real-time GSTIN verification
Submit any GSTIN and get an instant, live response straight from GST records — no batch delays.
Complete taxpayer data
Legal name, address, registration date, status, return-filing history, and e-invoicing status in one call.
Secure by default
All traffic runs over TLS, authenticated with a per-account API key you control and can rotate anytime.
20 free verification credits
Verify your email and get 20 credits automatically — enough to test the API against real GSTINs.
Simple, usage-based pricing
Pay per verification starting at ₹0.50, dropping to ₹0.40 once you cross 2,500 credits. No subscriptions.
Built for developers
A single REST endpoint, predictable JSON, and copy-paste examples in JavaScript, PHP, and Python.
Transparent, usage-based pricing
Pay only for the verifications you run — from ₹0.50, dropping to ₹0.40 at 2,500+ credits. No subscriptions.
Standard
₹0.50/verification
Under 2,500 credits
Bulk
₹0.40/verification
2,500+ credits
A GST API for developers
One endpoint, a single header, and a predictable JSON response — in JavaScript, PHP, or Python. Use it as a GSTIN lookup for a single number, or run it in a loop for bulk GSTIN verification across a vendor list.
GET /api/get-taxpayer-info/{gstin}
x-api-key: YOUR_API_KEYFrequently asked questions
What is the GSTIN API?
A REST API that verifies any GSTIN instantly and returns taxpayer, filing, and e-invoicing details as JSON.
How do I get free credits?
Verify your email after signing up and 20 free credits are added to your account automatically.
How is the API priced?
₹0.50 per verification under 2,500 credits, ₹0.40 per verification at 2,500+. Pay-as-you-go, no subscription.
How do I authenticate requests?
Send your API key in the x-api-key header on every request.
Start verifying GSTINs today
Sign up and get 20 free verification credits instantly. No credit card required.