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:

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query {
  cart(cart_id: "{ CART_ID }") {
    available_payment_methods {
      code
      title
    }
  }
}
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query {
  cart(cart_id: "{ CART_ID }") {
    available_payment_methods {
      code
      title
    }
  }
}

Response:

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

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mutation {
  setPaymentMethodOnCart(input: {
      cart_id: "{ CART_ID }"
      payment_method: {
          code: "checkmo"
      }
  }) {
    cart {
      selected_payment_method {
        code
      }
    }
  }
}
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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.

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{
  "data": {
    "setPaymentMethodOnCart": {
      "cart": {
        "selected_payment_method": {
          "code": "checkmo"
        }
      }
    }
  }
}
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{
  "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.

Last updated 9/8/2023

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