###### Its important to note that many choices were made to ensure everything is as cheap and easy to implement at this stage.
## Choice of API

[Exchange Rate API](https://www.exchangerate-api.com/docs/free)
## Open API
We use it's Open API plan since it's free and allows caching

### Rate Limiting of open API

### Easy to implement
As long as you know HTTP requests.

### Caching data
We chose to cache data to avoid uneccesary API calls:

### File structure
everything can be found in currency_conversion.dart
