# Titus Docs

> Explore our documentation, guides and APIs to build with Titus.

## Guide

- [What is Titus?](https://docs.gotitus.com/guide/get-started/what-is-titus/index.md)
- [Prerequisites](https://docs.gotitus.com/guide/get-started/prerequisites/index.md)
- [Before You Start](https://docs.gotitus.com/guide/integrate-as-a-platform/before-you-start/index.md)
- [1. Onboard Businesses](https://docs.gotitus.com/guide/integrate-as-a-platform/1-onboard-businesses/index.md)
- [2. Integrate into Checkout](https://docs.gotitus.com/guide/integrate-as-a-platform/2-integrate-into-checkout/index.md)
- [3. Add Browser SDK](https://docs.gotitus.com/guide/integrate-as-a-platform/3-add-browser-sdk/index.md)
- [Before You Start](https://docs.gotitus.com/guide/integrate-as-a-business/before-you-start/index.md)
- [1. Integrate into Checkout](https://docs.gotitus.com/guide/integrate-as-a-business/1-integrate-into-checkout/index.md)
- [2. Add Browser SDK](https://docs.gotitus.com/guide/integrate-as-a-business/2-add-browser-sdk/index.md)
- [Key Concepts](https://docs.gotitus.com/guide/developer-resources/key-concepts/index.md)
- [Working with the API](https://docs.gotitus.com/guide/developer-resources/working-with-the-api/index.md)
- [Idempotency](https://docs.gotitus.com/guide/developer-resources/idempotency/index.md)
- [Testing in Staging](https://docs.gotitus.com/guide/developer-resources/testing-and-staging/index.md)
- [Webhooks](https://docs.gotitus.com/guide/developer-resources/webhooks/index.md)
- [Design Guidance](https://docs.gotitus.com/guide/developer-resources/design-guidance/index.md)
- [Browser SDK](https://docs.gotitus.com/guide/developer-resources/browser-sdk/index.md)
- [Get Help](https://docs.gotitus.com/guide/developer-resources/get-help/index.md)

## API Reference

- [API Reference](https://docs.gotitus.com/reference/index.md)