Make API free for lifetime. If API become free for lifetime then whoever is using other platform because of free API that people will prefer only Upstox including me.
Currently, the API is free till 29th Feb, 2024!
You can check this link for more info: Indian Stock Market API - Free NSE/BSE share Market API to Get Stock Price
I can confirm you 500% - The API is lifetime free.
The Brokerage on API is free till 29th Feb 2024!
I prefer Upstox only. I am developing an entire platform (https://tradepick.in) based on this only.