# Data Elements
source: https://developer.mastercard.com/bin-lookup/documentation/tutorials-and-guides/data-elements/index.md

This section contains field definitions for both BIN Lookup API responses and the SBART file:

* [API Data Elements](https://developer.mastercard.com/bin-lookup/documentation/tutorials-and-guides/data-elements/api-data-elements/index.md)
* [SBART Data Elements](https://developer.mastercard.com/bin-lookup/documentation/tutorials-and-guides/data-elements/sbart-data-elements/index.md)

Use these pages to compare fields across plans and understand what each output contains.