Is there any way to convert any other crypto currency into ADA?

Developers Cardano Integration
1

I want make a POS(Point of Sales) system for Cardano to accept payments, in which I need to convert other coins (e.g. ether) into ADA and store those ADA funds into Cardano wallet.

I want to make something like this, here is example Changenow coingate

please suggest me any idea related to how to exchange currencies and how to do it

2

There are several big exchanges that have API’s available which you can use to exchange / convert coins. But if you have enough traffic, you could also just connect supply and demand yourself.

For example Kraken REST API Documentation