GST Tax Rates API

FastGST simplifies GST tax rate integration by aggregating GST tax rates into a single API Activate in ConsoleDesk and get your API-Key now

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1

Search Goods or Services

Search by keywords to find HSN/SAC Code

KeyWord Search
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2

Verify Hierarchy By HSN/SAC

Dig in through detailed HSN/SAC hierarchy

Code Hierarchy
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3

Get Tax Rates By HSN/SAC

Get tax rates by HSN/SAC

Fetch Tax Rates
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New Release

Natural Language
Semantic HSN Search

Look up HSN codes by describing goods in plain English. No exact keywords required.

✦

Broader Matches & Understanding

Highly optimized for natural language queries. Powered by FastGST's advanced semantic lookup engine to find relevant codes across all headings and chapters.

✦

Advanced AI Embedding Model

Uses a state-of-the-art vector embedding model with cosine similarity relevance scoring to deliver accurate matches based on the true meaning of your search.

✦

Zero Extra Cost

Available directly under your existing plan's quota limits. Get cutting-edge semantic search without paying a single rupee extra.

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Natural Language Query Example
INPUT QUERY:
"dairy product made from curdled milk" 🔍 Searching...
SEMANTIC MATCH RESULT:
{
"success": true,
"data": {
"hsn_code": "04061000",
"schedule": "Schedule I",
"description": "Fresh (unripened or uncured) cheese, including whey cheese, and curd",
"similarity_score": 0.8924,
"hierarchy": {
"chapter": {
"code": "04",
"description": "Milk And Cream, Not Concentrated..."
},
"heading": {
"code": "0406",
"description": "General"
}
}
}
}
Cosine Similarity Scored
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