# GoCryptoTrader Backtester: Api package
[](https://github.com/thrasher-corp/gocryptotrader/actions/workflows/tests.yml)
[](https://github.com/thrasher-corp/gocryptotrader/blob/master/LICENSE)
[](https://godoc.org/github.com/thrasher-corp/gocryptotrader/backtester/data/kline/api)
[](https://codecov.io/gh/thrasher-corp/gocryptotrader)
[](https://goreportcard.com/report/github.com/thrasher-corp/gocryptotrader)
This api package is part of the GoCryptoTrader codebase.
## This is still in active development
You can track ideas, planned features and what's in progress on our [GoCryptoTrader Kanban board](https://github.com/orgs/thrasher-corp/projects/3).
Join our slack to discuss all things related to GoCryptoTrader! [GoCryptoTrader Slack](https://join.slack.com/t/gocryptotrader/shared_invite/zt-38z8abs3l-gH8AAOk8XND6DP5NfCiG_g)
## Api package overview
This package is responsible for the loading of kline data via the API. It can retrieve candle data or trade data which is converted into candle data.
This package uses existing GoCryptoTrader exchange implementations.
See individual exchange implementations [here](/exchanges) and the interface used [here](/exchanges/interfaces.go)
## Donations
If this framework helped you in any way, or you would like to support the developers working on it, please donate Bitcoin to:
***bc1qk0jareu4jytc0cfrhr5wgshsq8282awpavfahc***