> For the complete documentation index, see [llms.txt](https://docs.8select.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.8select.io/api-tracking.md).

# API Tracking

- [Changelog](https://docs.8select.io/api-tracking/changelog.md)
- [General](https://docs.8select.io/api-tracking/general.md): Tracking for 8.API
- [Introduction](https://docs.8select.io/api-tracking/general/introduction.md)
- [Authentication](https://docs.8select.io/api-tracking/general/authentication.md)
- [Context](https://docs.8select.io/api-tracking/general/context.md)
- [User Identification](https://docs.8select.io/api-tracking/general/user-identification.md)
- [Event Validation](https://docs.8select.io/api-tracking/general/event-validation.md)
- [Events](https://docs.8select.io/api-tracking/events.md)
- [view](https://docs.8select.io/api-tracking/events/view.md)
- [How to evaluate if view event can be sent](https://docs.8select.io/api-tracking/events/view/how-to-evaluate-if-view-event-can-be-sent.md)
- [User views 8.SET content](https://docs.8select.io/api-tracking/events/view/user-views-8.set-compose-content.md)
- [interact](https://docs.8select.io/api-tracking/events/interact.md)
- [User clicks on a product within 8.SET content](https://docs.8select.io/api-tracking/events/interact/user-clicks-on-a-product-within-8.set-compose-content.md)
- [User adds a product to their card from within 8.SET content](https://docs.8select.io/api-tracking/events/interact/user-adds-a-product-to-their-card-from-within-8.set-compose-content.md)
- [Example what is not a product interaction](https://docs.8select.io/api-tracking/events/interact/example-what-is-not-a-product-interaction.md)
- [order](https://docs.8select.io/api-tracking/events/order.md)
- [Examples](https://docs.8select.io/api-tracking/examples.md)
- [8.SIMILAR](https://docs.8select.io/api-tracking/examples/8.similar.md): Typical request/response flow for similar products.
- [8.SET (simplified)](https://docs.8select.io/api-tracking/examples/8.set-simplified.md): Typical request/response flow for product sets.
- [8.SET](https://docs.8select.io/api-tracking/examples/8.set.md): Typical request/response flow for matching product clusters.
- [8.SET Custom](https://docs.8select.io/api-tracking/examples/8.set-custom.md): Typical request/response flow for custom sets.