Smart, Centralized
GST Tax Lookup API

Tired of scattered, outdated Taxes & HSN/SAC codes?

Access well documented API for live & updated GST slabs, tax rates, Cess rates, HSN/SAC classifications & fuzzy searches and more

100% Free For Testing

See API Documentation Launch Developer Portal

Coming Soon

A fully GST-compliant invoicing platform is on the way — fast, accurate, and built for modern businesses. Stay tuned

What is Tax Lookup API?

A fast, reliable API to retrive updated GST tax rates and resolve HSN/SAC codes — built for integration into your billing, ERP, or commerce platforms.

CBIC & GST Council Sync

We strive to stay in sync with the latest CBIC and GST Council notifications to keep data fresh and relevant.

Vector-Powered Fuzzy Search

Built with AI-grade vector search, our API tries to approximate to the most relevant HSN/SAC codes even from imperfect keywords.

Structured GST Classification

Lookup for parent or child with organized Sections, Chapters, Headings, and Tariff items delivered in clean JSON.

Detailed Metadata

Access a rich set of metadata including GST rates, descriptions, cess applicability, and more ready for direct use in your apps.

GST Classification

Comprehensive GST type identification with 8 distinct categories including conditional GST scenarios.

STANDARD 5%, 12%, 18%, 28% ZERO_RATED Exports & SEZ EXEMPT No GST, no ITC CONDITIONAL Job work, thresholds

Cess Details

Advanced cess classification with conditional scenarios for precise tax calculations.

COMPENSATION Sin/luxury goods NCCD Tobacco, pan masala HEALTH Medical devices CONDITIONAL Usage-based rates

Example Scenerios

GET /api/v1/product/996601/validate

Response:

{
                                    "data": {
                                    "hsn": "996601",
                                    "isValid": true,
                                    "classification": "SubHeading",
                                    "lastRefreshed": "2025-07-26"
                                    },
                                    "pagination": null
}

GET /api/v1/product/996601/taxes/gst

Response:

{
                                    "data": {
                                    "hsn": "996601",
                                    "section": "Services",
                                    "chapter": "Other services",
                                    "heading": "Other services",
                                    "remarks": "Standard GST rate applicable",
                                    "gstType": "STANDARD",
                                    "gstTypeInfo": "GST charged based on the applicable standard rate slab.",
                                    "gstConditionType": null,
                                    "gstConditionTypeInfo": null,
                                    "taxes": [
                                    {
                                    "rate": 18,
                                    "displayText": "18%",
                                    "option": "Standard rate",
                                    "paidBy": {
                                    "payer": "SUPPLIER",
                                    "reason": "GST will be collected and paid by the supplier."
                                    },
                                    "gstSlab": 3
                                    }
                                    ]
                                    },
                                    "pagination": null
}

GET /api/v1/hsn/996601/parent

Response:

{
                                    "data": {
                                    "parentCode": "9966",
                                    "description": "Other services",
                                    "level": 2
                                    },
                                    "pagination": null
}

Goto Developer Portal

Did you know there are many types of GST?

Our API delivers detailed information about which tax type or even sub-types, your goods or service falls into, so you can take reliable actions.

GST Classification Types

8 distinct categories with conditional scenarios

GST Type	Description
`STANDARD`	Standard GST slab rates
`ZERO_RATED`	Exports & SEZ supplies
`EXEMPT`	No GST due to exemption notifications
`CONDITIONAL`	GST under specific conditions
`REVERSE_CHARGE`	RCM - recipient pays GST
`COMPOSITION`	Fixed-rate for small taxpayers

Cess Classification

Advanced cess types with conditional scenarios

Cess Type	Description
`NONE`	No cess applicable
`COMPENSATION`	Sin/luxury goods
`NCCD`	National Calamity Contingent Duty
`HEALTH`	Health Cess on medical devices
`CUSTOM`	Special government notifications

Conditional Tax Scenarios

Advanced classification for complex tax scenarios

Conditional GST Types

JOB_WORK: Work based excemptions

TURNOVER_BASED: Threshold-based exemptions

TYPE_OF_SUPPLY: Intra/inter-state variations

RECIPIENT_TYPE: Business vs individual rules

USAGE_BASED: End-use dependent rates

Conditional Cess Types

PRODUCT_TYPE: Luxury vs standard variants

SPECIFICATION: Engine size, weight-based rates

USAGE_TYPE: Commercial vs personal use

IMPORT_VS_DOMESTIC: Origin-based treatment

SEZ_SUPPLIES: Export-oriented exemptions

Simple, Transparent Pricing

Start free, scale as you grow. No hidden fees, no surprises.

*Annual plans and dedicated support coming soon. All plans currently include self-service documentation and API access.

Developer Trial

₹0/month

Testing only (7 days)

300 requests / mo
15 requests / day
1 req/sec

Get Started Free

Starter

₹999/month

Small apps, freelancers

8,000 requests / mo
350 requests / day
3 req/sec

Choose Starter

Professional

₹1,999/month

Growing SaaS, CA firms

40,000 requests / mo
1,500 requests / day
8 req/sec

Choose Professional

Business

₹3,999/month

Established businesses

120,000 requests / mo
4,500 requests / day
20 req/sec

Contact Business

Tax Lookup API

Built for developers, designed for compliance, optimized for performance.

Fast Integration

Get up and running in minutes by simply enabling the API in developer portal.

100% GST Compliant

Built with India's GST regulations in mind, ensuring best effort compliance and accuracy.

Developer-First

Comprehensive API documentation and developer tools to accelerate your integration.

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Smart, Centralized GST Tax Lookup API

What is Tax Lookup API?

CBIC & GST Council Sync

Vector-Powered Fuzzy Search

Structured GST Classification

Detailed Metadata

GST Classification

Cess Details

Example Scenerios

Did you know there are many types of GST?

GST Classification Types

Cess Classification

Conditional Tax Scenarios

Conditional GST Types

Conditional Cess Types

Simple, Transparent Pricing

Developer Trial

Starter

Professional

Business

Tax Lookup API

Fast Integration

100% GST Compliant

Developer-First

Stay Updated

Smart, Centralized
GST Tax Lookup API