Your account may create `apps`, which contain custom fields, through the [Update orderForm configuration](https://developers.vtex.com/docs/api-reference/checkout-api#post-/api/checkout/pvt/configuration/orderForm) request. The value of a specific custom field can be removed by this request.

Remove single custom field value

You can use this request to get your current shopping cart information (`orderFormId`) or to create a new cart.

Get current or create a new cart

Retrieves all information associated to a given shopping  cart.

Get cart information by ID

Retrieves possible amount of installments and respective values for a given cart with a given payment method.

Cart installments

Retrieves information on pickup points close to a given location determined by geocoordinates or postal code.

List pickup points by location

Retrieves address information for a given postal code and country.

Get address by postal code

Retrieves a client's profile information by providing an email address.

Get client profile by email

Retrieves a list of sellers that cater to a specific region or address, according to your setup of our [regionalization feature](https://help.vtex.com/en/tutorial/setting-up-price-and-availability-of-skus-by-region--12ne58BmvYsYuGsimmugoc#). Learn more about [Region v2](https://developers.vtex.com/docs/guides/region-v2-release).

Get sellers by region or address

Retrieves the settings that are currently applied to every orderForm in the account.

Get orderForm configuration

Retrieves a marketplace's window to change seller, that is, the period when it is possible to choose another seller to fulfill a given order after the original seller has canceled it.

Get window to change seller

This call removes all user information, making a cart anonymous while leaving the items.

Remove all personal data from shopping cart

Handle cart items

When a shopper provides an email address at Checkout, the platform tries to retrieve existing profile information for that email and add it to the shopping cart information. Use this request if you want to change this behavior for a given cart, meaning profile information will not be included in the order automatically.

Ignore profile data on checkout

Order processing callback request, which is made after an order's payment is approved.

Process order

Use this request to include client preferences information to a given shopping cart.

Add client preferences

Use this request to include client profile information to a given shopping cart.

Add client profile

Attach invoice data

Use this request to include marketing information to a given shopping cart.

Add marketing data

This endpoint is used for the merchant to add to the cart any relevant information that is related to the context of a specific order.

Add merchant context data

Use this request to include payment information to a given shopping cart. The payment information attachment in the shopping cart does not determine the final order payment method in itself. However, it allows tha platform to update any relevant information that may be impacted by the payment method.

Add payment data

Use this request to include shipping information and/or selected delivery option to a given shopping cart.

Add shipping address and select delivery option

Use this request to add coupons to a given shopping cart.

Add coupons to the cart

Use this request to add a new item to the shopping cart.

Add cart items

This request removes all items from a given cart, leaving it empty.

Remove all items from shopping cart

Update cart items

This request removes all messages from the `messages` field of the orderForm , leaving it empty.

Clear orderForm messages

This endpoint places an order from an existing `orderForm` object, meaning an existing cart.

Place order from an existing cart

This endpoint is used to simulate a cart in VTEX Checkout.

Cart simulation

Determines settings that will apply to every orderForm in the account.

Update orderForm configuration

Updates a marketplace's window to change seller, that is, the period when it is possible to choose another seller to fulfill a given order after the original seller has canceled it.

Update window to change seller

Your account may create `apps`, which contain custom fields, through the [Update orderForm configuration](https://developers.vtex.com/docs/api-reference/checkout-api#post-/api/checkout/pvt/configuration/orderForm) request. The values of these custom fields can then be updated by this request.

Set multiple custom field values

Your account may create `apps`, which contain custom fields, through the [Update orderForm configuration](https://developers.vtex.com/docs/api-reference/checkout-api#post-/api/checkout/pvt/configuration/orderForm) request. The value of a specific custom field can then be updated by this request.

Set single custom field value

This request changes the price of an SKU in a cart.

Change price of an SKU in a cart

Places order without having any prior cart information. This means all information on items, client, payment and shipping must be sent in the body.

Place order

The Checkout API allows you to obtain and configure information about the shopping cart and its attachments, personalization of custom fields, orderForm structure, fulfillment data, order management, and identification of the sellers delivery region.