--- title: CheckoutBrandingTypographyInput - GraphQL Admin description: |- The input fields used to update the typography. Refer to the [typography tutorial](https://shopify.dev/docs/apps/checkout/styling/customize-typography) for more information on how to set these fields. api_version: 2025-10 api_name: admin type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/checkoutbrandingtypographyinput md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/checkoutbrandingtypographyinput.md --- # Checkout​Branding​Typography​Input input\_object The input fields used to update the typography. Refer to the [typography tutorial](https://shopify.dev/docs/apps/checkout/styling/customize-typography) for more information on how to set these fields. ## Fields * primary [Checkout​Branding​Font​Group​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingFontGroupInput) A font group used for most components such as text, buttons and form controls. * secondary [Checkout​Branding​Font​Group​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingFontGroupInput) A font group used for heading components by default. * size [Checkout​Branding​Font​Size​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingFontSizeInput) The font size. *** ## Input objects using this input * [Checkout​Branding​Design​System​Input.typography](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingDesignSystemInput#fields-typography) INPUT OBJECT The input fields used to update the design system. *** ## Map ### Input objects using this input * [Checkout​Branding​Design​System​Input.typography](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/CheckoutBrandingDesignSystemInput#fields-typography)