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

# Headless API

- [Introduction](https://docs.tebex.io/developers/headless-api/introduction.md): Headless API is used to build custom frontends for your Tebex store, such as a website, app, or game.
- [Authorization](https://docs.tebex.io/developers/headless-api/authorization.md)
- [Error Handling](https://docs.tebex.io/developers/headless-api/error-handling.md)
- [Testing](https://docs.tebex.io/developers/headless-api/testing.md)
- [Guides](https://docs.tebex.io/developers/headless-api/guides.md)
- [Baskets](https://docs.tebex.io/developers/headless-api/guides/baskets.md)
- [Get a Basket](https://docs.tebex.io/developers/headless-api/guides/baskets/get-a-basket.md)
- [Create a Basket](https://docs.tebex.io/developers/headless-api/guides/baskets/create-a-basket.md)
- [Authorize a Basket](https://docs.tebex.io/developers/headless-api/guides/baskets/authorize-a-basket.md): Depending on the type of Tebex store you are integrating, authorization may be required at checkout.
- [Add Package to Basket](https://docs.tebex.io/developers/headless-api/guides/baskets/add-package-to-basket.md)
- [Variable Data](https://docs.tebex.io/developers/headless-api/guides/baskets/add-package-to-basket/variable-data.md)
- [Custom Data](https://docs.tebex.io/developers/headless-api/guides/baskets/add-package-to-basket/custom-data.md)
- [Gifting Packages](https://docs.tebex.io/developers/headless-api/guides/baskets/gifting-packages.md)
- [Remove Package from Basket](https://docs.tebex.io/developers/headless-api/guides/baskets/remove-package-from-basket.md)
- [Update Package Quantity](https://docs.tebex.io/developers/headless-api/guides/baskets/update-package-quantity.md): Set the quantity of an item in the basket
- [Basket Links](https://docs.tebex.io/developers/headless-api/guides/basket-links.md)
- [Categories](https://docs.tebex.io/developers/headless-api/guides/categories.md)
- [Get Categories](https://docs.tebex.io/developers/headless-api/guides/categories/get-categories.md)
- [Get Categories Include Packages](https://docs.tebex.io/developers/headless-api/guides/categories/get-categories-include-packages.md)
- [Get Category](https://docs.tebex.io/developers/headless-api/guides/categories/get-category.md)
- [Get Category Include Packages](https://docs.tebex.io/developers/headless-api/guides/categories/get-category-include-packages.md)
- [Coupons](https://docs.tebex.io/developers/headless-api/guides/coupons.md)
- [Apply Coupon](https://docs.tebex.io/developers/headless-api/guides/coupons/apply-coupon.md)
- [Remove Coupon](https://docs.tebex.io/developers/headless-api/guides/coupons/remove-coupon.md)
- [Checkout](https://docs.tebex.io/developers/headless-api/guides/checkout.md)
- [Creator Codes](https://docs.tebex.io/developers/headless-api/guides/creator-codes.md)
- [Apply Creator Code](https://docs.tebex.io/developers/headless-api/guides/creator-codes/apply-creator-code.md)
- [Remove Creator Code](https://docs.tebex.io/developers/headless-api/guides/creator-codes/remove-creator-code.md)
- [Gift Cards](https://docs.tebex.io/developers/headless-api/guides/gift-cards.md)
- [Apply Gift Card](https://docs.tebex.io/developers/headless-api/guides/gift-cards/apply-gift-card.md)
- [Remove Gift Card](https://docs.tebex.io/developers/headless-api/guides/gift-cards/remove-gift-card.md)
- [Packages](https://docs.tebex.io/developers/headless-api/guides/packages.md)
- [Get Packages](https://docs.tebex.io/developers/headless-api/guides/packages/get-packages.md)
- [Get Package](https://docs.tebex.io/developers/headless-api/guides/packages/get-package.md)
- [Pages](https://docs.tebex.io/developers/headless-api/guides/pages.md)
- [Get Custom Pages](https://docs.tebex.io/developers/headless-api/guides/pages/get-custom-pages.md)
- [Sidebar](https://docs.tebex.io/developers/headless-api/guides/sidebar.md)
- [Get Sidebar Modules](https://docs.tebex.io/developers/headless-api/guides/sidebar/get-sidebar-modules.md)
- [Tiers](https://docs.tebex.io/developers/headless-api/guides/tiers.md)
- [Get Tiered Categories](https://docs.tebex.io/developers/headless-api/guides/tiers/get-tiered-categories.md)
- [Get Active Tier](https://docs.tebex.io/developers/headless-api/guides/tiers/get-active-tier.md)
- [Update Tier](https://docs.tebex.io/developers/headless-api/guides/tiers/update-tier.md)
- [Endpoints](https://docs.tebex.io/developers/headless-api/endpoints.md): All endpoints for Headless API: for specific implementation guides see Guides