# Adds a specified payment method to a specified shopping cart

**PUT /V1/carts/{cartId}/selected-payment-method**

Adds a specified payment method to a specified shopping cart.


## Servers
- https://magento2.winkelstraat.mac/rest/all: https://magento2.winkelstraat.mac/rest/all ()



## Parameters

### Path parameters
- **cartId** (integer)
  The cart ID.


### Body:  (object)

- **method** (object)
  Interface PaymentInterface


## Responses
### 200
200 Success.

#### Body:  (string)
string
### 401
401 Unauthorized

#### Body:  (object)
- **message** (string)
  Error message
- **errors** (array[object])
  Error details
- **code** (integer)
  Error code
- **parameters** (array[object])
  Error parameters item
- **trace** (string)
  Stack trace

### 400
400 Bad Request

#### Body:  (object)
- **message** (string)
  Error message
- **errors** (array[object])
  Error details
- **code** (integer)
  Error code
- **parameters** (array[object])
  Error parameters item
- **trace** (string)
  Stack trace

### default
Unexpected error

#### Body:  (object)
- **message** (string)
  Error message
- **errors** (array[object])
  Error details
- **code** (integer)
  Error code
- **parameters** (array[object])
  Error parameters item
- **trace** (string)
  Stack trace


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