# Set a payment method for a cart.

**POST /2026-2/carts/{cartId}/payment-method**

Sets a payment method for a cart.


## Servers
- PACE Cloud API: https://api.pace.cloud/cart (PACE Cloud API)


## Authentication methods
- Oauth2
- Oauth2


## Parameters

### Path parameters

- **cartId** (string(uuid))
  The unique identifier of the cart to set the payment method for.



### Body: application/json (object)

- **paymentMethodId** (string(uuid))
  The unique identifier of the payment method to set for the cart.



## Responses
### 200
The payment method was successfully set for the cart.

#### Body: application/json (object)
- **data** (object)
  The cart that has been updated.


### 400
The request parameters are missing or invalid.

### 401
Client authentication failed.

### 403
Missing one or more required scopes.

### 404
The specified cart was not found.

### 500
An unexpected error occurred.


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