Technical guides, API updates, and thoughts on building for India's GST ecosystem.
Three GST rates on one gold jewellery invoice. 3% on gold, 5% on making charges, 0.25% on diamonds. Complete guide with HSN codes, rupee calculations, and API examples.
Health insurance GST is 18%. But who can claim ITC, what is the SAC code, and how does car insurance GST work? Complete guide with worked rupee examples.
Three approaches to GST rate lookup in India: hardcoded tables, portal scraping, and GST APIs. Two of them will give you a compliance notice within 18 months. Here's the honest comparison.
CGST, SGST, and IGST are not three different taxes — they are three buckets that share the same rate. Which bucket you use depends entirely on one question: are buyer and seller in the same state?
A technical guide to GST APIs for Indian developers. Covers HSN lookup, CGST/SGST/IGST split, condition resolver, SAC codes, and integration examples in Python and cURL.