> For the complete documentation index, see [llms.txt](https://docs.upzelo.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.upzelo.com/developer-guide.md).

# Developer Guide

- [Installing Upzelo](https://docs.upzelo.com/developer-guide/installing-upzelo.md): 3 Steps to get started quickly.
- [Advanced configuration](https://docs.upzelo.com/developer-guide/advanced-configuration.md)
- [Upzelo Configuration Object](https://docs.upzelo.com/developer-guide/advanced-configuration/upzelo-configuration-object.md): Parameters available for configuring Upzelo
- [Test Mode](https://docs.upzelo.com/developer-guide/test-mode.md): An environment for you to test the product without affecting real data
- [Customer ID and Subscription ID](https://docs.upzelo.com/developer-guide/customer-id-and-subscription-id.md)
- [Processing Behaviour](https://docs.upzelo.com/developer-guide/processing-behaviour.md): Change how Upzelo works for you
- [Examples](https://docs.upzelo.com/developer-guide/examples.md): A few examples on ways you might set up Upzelo