HSN Code & GST Rate Tester

A precise tool to validate HSN codes and retrieve corresponding GST rates for India, aiding procurement, invoicing, and tax compliance workflows.

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About This Tool

Purpose-built for Indian GST workflows, this tool accepts an HSN code and optional transaction type to return the exact GST rate and component breakdown. It supports standard intra-state and inter-state scenarios and clarifies the applicable IGST or CGST/SGST split. The core logic relies on up-to-date HSN-to-rate mappings and handles common edge cases such as deprecated or unknown codes. By providing structured outputs including HSNDescription and rate components, users can validate classifications before invoicing, filing returns, or integrating with ERP systems.

Conceptually, the tool performs a deterministic lookup against official rate tables, applies transaction-type rules, and formats results for downstream use. It is designed for procurement teams, tax professionals, accountants, and developers integrating rate checks into sourcing, catalog management, or billing processes. The value lies in reducing classification errors, accelerating onboarding of suppliers, and ensuring accurate tax calculations for compliance and reporting. Core features include exact code lookup, rate retrieval, tax component calculation, and ready-to-export outputs that support auditing and ERP integration.

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How to Use

Provide inputs: enter the HSN code and select the transaction type (intra-state or inter-state).
Optional inputs: specify state code if you need region-specific considerations.
Run calculation: submit to obtain GST rate, IGST/CGST/SGST breakdown, and HSN description.
Review outputs: verify rate accuracy and use the results for invoicing or filing.
Optional export: save the result as CSV/JSON for ERP integration.

Frequently Asked Questions

Find Quick Answers

What is the purpose of this tool?

The tool validates an HSN code and returns the corresponding GST rate and tax component breakdown, aiding accurate tax classification and compliant invoicing under Indian GST.

Can it handle service HSN codes as well as goods?

Yes. It supports both goods and service HSN codes, applying the appropriate GST rules for IGST vs CGST/SGST based on the transaction type.

What happens if an HSN code is not found?

If the code is not in the current mapping, the tool returns a not-found error with guidance to verify the code against official GST schedules or request a verified alternative code.

Is this suitable for ERP integration?

Yes. Outputs include structured fields (rates, components, and description) suitable for API consumption and downstream processing in ERP or billing systems.

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