GST Verification API

Integrate live GSTIN verification into your application. Simple REST API, JSON responses, prepaid credits.

⚡ 10 paise/lookup 🎁 5 free demo calls 🔑 API key auth 📦 JSON response

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Pay-as-you-go Packs

Demo

Free

5 calls

5 free calls included

✓ Included with API key

Starter

₹100

1,000 calls

₹0.10/call

Growth

₹450

5,000 calls

₹0.09/call · 10% off

Scale

₹1600

20,000 calls

₹0.08/call · 20% off

Unlimited API Plans

Monthly

₹5,000

Unlimited calls

Flat rate · No per-call fee · 120 req/min

Annual Save 50%

₹30,000

Unlimited calls/year

₹2,500/month effective · 120 req/min

API Documentation

GET /api/v1/verify/{GSTIN}

Verify a single GSTIN. Returns registration details, status, address, and filing info.

Request

curl -H "X-API-Key: YOUR_API_KEY" \ "https://gstverify.co.in/api/v1/verify/27AAAAA0000A1Z5"

Response

{
  "success": true,
  "cached": false,
  "credits_remaining": 99,
  "data": {
    "gstin": "27AAAAA0000A1Z5",
    "legal_name": "EXAMPLE COMPANY PRIVATE LIMITED",
    "trade_name": "Example Co",
    "status": "Active",
    "constitution": "Private Limited Company",
    "taxpayer_type": "Regular",
    "registration_date": "01/07/2017",
    "state": "Maharashtra",
    "pan": "AAAAA0000A",
    "address": "123 Business Park, Mumbai — 400001",
    "nature_of_business": ["Supplier of Services"]
  }
}
    

Error Responses

Code	Meaning
401	Missing or invalid API key
402	No credits remaining — recharge your account
422	Invalid GSTIN format
429	Rate limit exceeded (60 req/min)
502	Upstream GST API unavailable

Search API — PAN & Business Name Lookup

🔍 The Search API lets you find all GSTINs registered under a PAN number, or search businesses by name. Uses separate Search Credits — not the same as Verify credits.

GET /api/v1/search/pan/{PAN}

Find all GSTINs registered under a 10-character PAN. Returns live results from GSTN — discovers registrations not yet in local cache.

Request

curl -H "X-API-Key: YOUR_API_KEY" \ "https://gstverify.co.in/api/v1/search/pan/AAACR5055K"

Response

{
  "success": true,
  "type": "pan",
  "query": "AAACR5055K",
  "count": 3,
  "source": "live",
  "credits_remaining": 49,
  "data": [
    {
      "gstin": "27AAACR5055K1ZT",
      "legal_name": "RELIANCE INDUSTRIES LIMITED",
      "trade_name": "Reliance Industries",
      "status": "Active",
      "constitution": "Public Limited Company",
      "state": "Maharashtra",
      "state_code": "27",
      "pan": "AAACR5055K",
      "registration_date": "01/07/2017",
      "nature_of_business": ["Supplier of Services"]
    }
  ]
}
    

GET /api/v1/search/name/{query}

Search businesses by name (minimum 3 characters). Returns matching GSTINs from live GSTN database. Searches both legal name and trade name.

Request

curl -H "X-API-Key: YOUR_API_KEY" \ "https://gstverify.co.in/api/v1/search/name/Reliance%20Industries"

Query Parameters Alternative

curl -H "X-API-Key: YOUR_API_KEY" \ "https://gstverify.co.in/api/v1/search?type=name&q=Reliance+Industries"

Search API Credits & Pricing

Demo

Free

10 searches

10 free with API key

✓ Auto-added with API key

Starter

₹99

100 searches

₹0.99/search

Growth

₹399

500 searches

₹0.80/search · 20% off

Scale

₹1399

2,000 searches

₹0.70/search · 30% off

Verify Credits vs Search Credits

Feature	Verify Credits	Search Credits
Endpoint	/api/v1/verify/{GSTIN}	/api/v1/search/pan or /name
Input	15-char GSTIN	10-char PAN or business name
Output	1 business record	Multiple matching records
Cache	Free on cache hit	Always 1 credit (live GSTN call)
Rate limit	60/min	30/min
Price	₹0.10/live call	₹0.99–₹0.70/search
Expiry	Never	Never

GST Verification API

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