API Service

GST Lookup API

Instant GST Verification & Details

About This API

Our GST Lookup API provides real-time verification of GST Identification Numbers (GSTIN) with comprehensive business information. Perfect for e-commerce platforms, accounting software, and business verification systems.

Key Capabilities:

- Real-time GSTIN verification 
- Complete business profile retrieval
- Registration status check
- Filing compliance history
- Business type identification
- Address verification

Use Cases:
- Invoice generation systems
- Vendor onboarding
- KYC verification
- Accounting software integration
- E-commerce checkout validation

API Endpoint
https://api.tweekersnut.com
Rate Limits

Based on plan

Capabilities

Key Features

Everything you need for seamless integration

Real-time GSTIN verification
Complete business details
Registration status check
99.9% uptime SLA
JSON response formats
Detailed API documentation
Quick Start

API Example

Simple integration with any programming language

cURL Example
curl -X GET "https://api.tweekersnut.com/v1/gst/lookup?gstin=YOUR_GSTIN" \
  -H "X-API-Token: YOUR_API_TOKEN" \
  -H "Content-Type: application/json"
Response
{
  "success": true,
  "query": {
    "gstin": "03FKXPS8899K1ZM"
  },
  "data": {
    "gstin": "03FKXPS8899K1ZM",
    "business_name": "TWEEKERS NUT NETWORK",
    "address": "INDUSTRIAL AREA PLOT NO. C-70  PHASE-6 MOHALI Punjab",
    "pincode": "160055",
    "entity_type": "Proprietorship",
    "registration_type": "Regular",
    "jurisdiction": "Mohali - Ward No.5, PB153, ZD1401, RANGE-I",
    "nature_of_business": "Retail Business",
    "registration_date": "21/05/2019",
    "trade_name": "TWEEKERS NUT NETWORK",
    "status": "ACTIVE"
  },
  "meta": {
    "response_time_ms": 8.63,
    "cached": true,
    "plan": "free",
    "rate_limits": {
      "remaining": {
        "minute": 1,
        "hour": 4,
        "day": 4,
        "month": 44
      },
      "limits": {
        "minute": 2,
        "hour": 5,
        "day": 10,
        "month": 50
      }
    }
  },
  "disclaimer": "Data is fetched from public sources and processed for informational use only. Not official government data."
}
Pricing

Choose Your Plan

Flexible pricing to match your usage. Start small and scale as you grow.

Try Free

Free

Free Test Plan

Free /month
  • 50 API calls/month
  • Full documentation
  • Basic email support

Starter

Perfect for small businesses and testing

₹499 /month
  • 500 API calls/month
  • 10 requests/minute
  • Email support
  • Basic documentation
  • Sandbox access
Most Popular

Professional

Ideal for growing businesses

₹999 /month
  • 1,500 API calls/month
  • 30 requests/minute
  • Priority email support
  • Full documentation
  • Sandbox access
  • Webhook notifications

Business

For high-volume applications

₹1,999 /month
  • 10,000 API calls/month
  • 60 requests/minute
  • Priority support
  • Full documentation
  • Sandbox access
  • Webhook notifications
  • Dedicated account manager

Need a custom plan for higher volumes?

Contact us for Enterprise pricing

Ready to Get Started?

Subscribe now and start integrating our API in minutes. Full documentation and sandbox environment included.