GST Calculator API
Calculate GST, add or remove tax with CGST/SGST/IGST breakdown.
Fast & Accurate
Get precise results instantly.
Easy Integration
Simple REST API with JSON response.
Developer Friendly
Clear docs and SDK examples.
Free to Start
1,000 free requests/month.
API Coming Soon
This endpoint is in active development. Documentation is published early so you can plan your integration. Join the waitlist to get notified when it goes live.
Endpoint
All requests should be made to the following endpoint:
GET https://api.tools.town/v1/calculators/gst Authentication
Example Request
curl -G "https://api.tools.town/v1/calculators/gst" \
Error Codes
| Code | Meaning |
|---|---|
| 400 | Bad Request — missing or invalid parameter |
| 401 | Unauthorized — API key missing or invalid |
| 429 | Rate limit exceeded — free tier: 1,000 requests/month |
| 500 | Internal Server Error — try again or contact support |