# MD for: https://www.mercadopago.com.ar/developers/pt/docs/tiendanube/payment-configuration/checkout-api.md

\# Checkout API With \[Checkout API\](https://www.mercadopago.com.ar/developers/en/docs/checkout-api-payments/overview), the entire payment flow happens inside your store, with no redirect to an external page. It gives you more control over customization and integration, and a full setup to process payments with the main methods available. ## Disable other transparent checkouts in your store Before installing Checkout API from Mercado Pago, make sure to disable any other active transparent checkouts in your store. \*\*Tiendanube\*\* only allows one active transparent checkout at a time. 1\. In your store admin, go to \*\*Settings\*\* > \*\*Payment methods\*\*. 2\. In the payment methods list, disable any other transparent checkouts that are currently active. Done! Your store is now ready to integrate Checkout API from Mercado Pago. ## Integrate Checkout API Follow the steps below to set up the application from your store’s admin panel. 1\. In your store admin, go to \*\*Settings\*\* > \*\*Payment methods\*\*. 2\. Find \*\*Mercado Pago\*\* in the payment methods list. 3\. In the payment methods list, click \*\*Edit settings\*\* next to the Mercado Pago plugin. !\[nuvemshop-edit-plugin-settings-in-store-mla\](https://www.mercadopago.com.ar/images/nuvemshop/plugin-installed-store-mla.png) 4\. At the bottom of the page, click \*\*More settings on the Mercado Pago site\*\*. This will redirect you to the Mercado Pago Panel Administrativo. !\[nuvemshop-more-settings-in-store-mla\](https://www.mercadopago.com.ar/images/nuvemshop/more-settings-mla.png) 5\. In the checkouts Admin Panel, open the \*\*Checkout API\*\* section and enable the options you want: \* \*\*Credit card:\*\* select the brands you want to enable and the \*\*maximum number of installments allowed for installment purchases\*\*. To set up installments without interest, see \[Discounts\](https://www.mercadopago.com.ar/developers/en/docs/tiendanube/additional-settings/discounts). \* \*\*Debit card:\*\* select the brands you want to enable in your store. \* \*\*Other payment methods:\*\* select other methods you want to enable, such as Rapipago and Pago Fácil. Also set the \*\*number of days until the ticket expires\*\* (including Saturday and Sunday), when applicable. !\[nuvemshop-checkout-api-mla\](https://www.mercadopago.com.ar/images/nuvemshop/integration-checkout-api-mla-v1.png) 6\. Finally, click \*\*Save changes\*\*. > WARNING > > The Mercado Pago plugin for Tiendanube has no test environment. Validation must be done in production with real payments. Use minimum amounts and valid cards that are not linked to the store owner, as they may be rejected for security reasons. With this, you will have successfully configured Checkout API in Tiendanube. ## Configure installments > NOTE > > This configuration only applies to payments made with cards. 1\. In your store admin, go to \*\*Settings\*\* > \*\*Payment methods\*\*. 2\. Find \*\*Mercado Pago\*\* in the payment methods list. 3\. In the payment methods list, click \*\*Edit settings\*\* next to the Mercado Pago plugin. 4\. Scroll to the bottom of the page and click \*\*More settings on the Mercado Pago site\*\* to access the Mercado Pago environment. 5\. In the checkouts Admin Panel, find the \*\*Checkout API\*\* payment method and click \*\*Configure\*\*. 6\. Here you can set the maximum number of installments your customers can use with \*\*Checkout API\*\*. > WARNING > > Whenever interest-free installment settings are changed, you must \*\*sync\*\* the changes with your store by clicking the \*\*Sync\*\* button. !\[discounts-checkout-api-mla\](https://www.mercadopago.com.ar/images/nuvemshop/discounts-checkout-api-mla-v1.png)