# Krti

- [Krti for developers](https://docs.krti.com/index.md): Show the Krti saving on your store and read the public API.
- [Overview](https://docs.krti.com/on-site-messaging/overview.md): What on-site messaging shows, where, and what it never shows.
- [Quickstart](https://docs.krti.com/on-site-messaging/quickstart.md): Add the line to a product page in five minutes.
- [Public keys](https://docs.krti.com/on-site-messaging/keys.md): What a public key is, test versus live, and how to rotate one.
- [Options and methods](https://docs.krti.com/on-site-messaging/options.md): Every option of KrtiPromo and KrtiCard, and the instance methods.
- [Styling](https://docs.krti.com/on-site-messaging/styling.md): Themes, the CSS variables you can set, and layout rules.
- [Platform notes](https://docs.krti.com/on-site-messaging/platforms.md): Where the snippet goes on Shopify, Salla, Zid, WooCommerce and custom stores.
- [The pop-up without the script](https://docs.krti.com/on-site-messaging/popup.md): Open the Learn more page by URL from apps, strict CSPs or link-only platforms.
- [Public API](https://docs.krti.com/api-reference/introduction.md): Conventions of Krti's public, unauthenticated endpoints.
- [Quote the Krti saving for an amount](https://docs.krti.com/api-reference/promo/quote-the-krti-saving-for-an-amount.md): The best offer a new shopper can get at the store for this amount, before any payment method is chosen: the amount after the saving, whether it may be less ("up to"), the methods that unlock it, and the words the pop-up uses. Nothing is reserved or recorded.

## OpenAPI Specs

- [openapi](/api-reference/openapi.yaml)


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