Step 9. Set the payment method

Use the following cart query to determine which payment methods which are available for your order.

{ CART_ID } is the unique shopping cart ID from Step 2. Create empty cart.

For logged-in customers, send the customer's authorization token in the Authorization parameter of the header. See Authorization tokens for more information.

Request:

Copied to your clipboard
query {
cart(cart_id: "{ CART_ID }") {
available_payment_methods {
code
title
}
}
}

Response:

Copied to your clipboard
{
"data": {
"cart": {
"available_payment_methods": [
{
"code": "checkmo",
"title": "Check / Money order"
}
]
}
}
}

Set payment method on cart

Use the setPaymentMethodOnCart mutation to set the payment method for your order. The value checkmo ("Check / Money order" payment method code) was returned in the query.

Send the customer's authorization token in the Authorization parameter of the header. See Authorization tokens for more information.

Request:

Copied to your clipboard
mutation {
setPaymentMethodOnCart(input: {
cart_id: "{ CART_ID }"
payment_method: {
code: "checkmo"
}
}) {
cart {
selected_payment_method {
code
}
}
}
}

Response:

If the operation is successful, the response contains the code of the selected payment method.

Copied to your clipboard
{
"data": {
"setPaymentMethodOnCart": {
"cart": {
"selected_payment_method": {
"code": "checkmo"
}
}
}
}
}

Verify this step

  1. Sign in as a customer to the website using the email john.doe@example.com and password b1b2b3l@w+.

  2. Go to Checkout.

  3. The selected payment method is displayed in the Payment Method section on the Review & Payments step.