Claude API bills in USD. For Indian devs, that means FX conversion and surprise month-end charges. Relay API fixes this — flat-rate Claude access priced in ₹. Buy 20 calls for ₹49, 250/month for ₹699. Pay with UPI. Drop-in OpenAI SDK compatible. Works with Cursor, Cline, LangChain. Free trial: verify phone → 10 requests instantly. No card needed.