--- title: draftOrderCalculate - GraphQL Admin description: >- Calculates the properties of a [`DraftOrder`](https://shopify.dev/docs/api/admin-graphql/latest/objects/DraftOrder) without creating it. Returns pricing information including [`CalculatedDraftOrderLineItem`](https://shopify.dev/docs/api/admin-graphql/latest/objects/CalculatedDraftOrderLineItem) totals, shipping charges, applicable discounts, and tax calculations based on the provided [`Customer`](https://shopify.dev/docs/api/admin-graphql/latest/objects/Customer) and [`MailingAddress`](https://shopify.dev/docs/api/admin-graphql/latest/objects/MailingAddress) information. Use this mutation to preview total taxes and prices before creating a draft order. It's particularly useful when working with B2B [`PurchasingEntity`](https://shopify.dev/docs/api/admin-graphql/latest/unions/PurchasingEntity) or when you need to determine costs without committing to a draft order. Learn more about [calculating draft orders for B2B purchasing entities](https://shopify.dev/docs/apps/build/b2b/draft-orders#step-1-calculate-a-draft-order-for-a-purchasing-entity). api_version: 2026-10 source_url: html: >- https://shopify.dev/docs/api/admin-graphql/latest/mutations/draftOrderCalculate md: >- https://shopify.dev/docs/api/admin-graphql/latest/mutations/draftOrderCalculate.md api_name: admin api_type: graphql type: mutation --- # draft​Order​Calculate mutation Requires `write_draft_orders` access scope. Calculates the properties of a [`DraftOrder`](https://shopify.dev/docs/api/admin-graphql/latest/objects/DraftOrder) without creating it. Returns pricing information including [`CalculatedDraftOrderLineItem`](https://shopify.dev/docs/api/admin-graphql/latest/objects/CalculatedDraftOrderLineItem) totals, shipping charges, applicable discounts, and tax calculations based on the provided [`Customer`](https://shopify.dev/docs/api/admin-graphql/latest/objects/Customer) and [`MailingAddress`](https://shopify.dev/docs/api/admin-graphql/latest/objects/MailingAddress) information. Use this mutation to preview total taxes and prices before creating a draft order. It's particularly useful when working with B2B [`PurchasingEntity`](https://shopify.dev/docs/api/admin-graphql/latest/unions/PurchasingEntity) or when you need to determine costs without committing to a draft order. Learn more about [calculating draft orders for B2B purchasing entities](https://shopify.dev/docs/apps/build/b2b/draft-orders#step-1-calculate-a-draft-order-for-a-purchasing-entity). ## Arguments * input [Draft​Order​Input!](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/DraftOrderInput) required The fields for the draft order. *** ## Draft​Order​Calculate​Payload returns * calculated​Draft​Order [Calculated​Draft​Order](https://shopify.dev/docs/api/admin-graphql/latest/objects/CalculatedDraftOrder) The calculated properties for a draft order. * user​Errors [\[User​Error!\]!](https://shopify.dev/docs/api/admin-graphql/latest/objects/UserError) non-null The list of errors that occurred from executing the mutation. *** ## Examples * ### Calculate properties of a draft order #### Description Calculate the properties of a proposed draft order #### Query ```graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } } ``` #### Variables ```json { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } ``` #### cURL ```bash curl -X POST \ https://your-development-store.myshopify.com/admin/api/2026-10/graphql.json \ -H 'Content-Type: application/json' \ -H 'X-Shopify-Access-Token: {access_token}' \ -d '{ "query": "mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } }", "variables": { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } }' ``` #### React Router ```javascript import { authenticate } from "../shopify.server"; export const loader = async ({request}) => { const { admin } = await authenticate.admin(request); const response = await admin.graphql( `#graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } }`, { variables: { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, ); const json = await response.json(); return json.data; } ``` #### Ruby ```ruby session = ShopifyAPI::Auth::Session.new( shop: "your-development-store.myshopify.com", access_token: access_token ) client = ShopifyAPI::Clients::Graphql::Admin.new( session: session ) query = <<~QUERY mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } } QUERY variables = { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } response = client.query(query: query, variables: variables) ``` #### Node.js ```javascript const client = new shopify.clients.Graphql({session}); const data = await client.query({ data: { "query": `mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } }`, "variables": { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, }); ``` #### Shopify CLI ```bash shopify app execute \ --query \ 'mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } }' \ --variables \ '{ "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }' ``` #### Direct API Access ```javascript const response = await fetch('shopify:admin/api/2026-10/graphql.json', { method: 'POST', body: JSON.stringify({ query: ` mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { customer { id email firstName numberOfOrders defaultAddress { id firstName lastName address1 address2 city provinceCode zip countryCodeV2 } taxExempt } billingAddressMatchesShippingAddress totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } shippingLine { id custom shippingRateHandle title originalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } } presentmentCurrencyCode } userErrors { field message } } } `, variables: { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "originalUnitPrice": 10, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }), }); const { data } = await response.json(); console.log(data); ``` #### Response ```json { "draftOrderCalculate": { "calculatedDraftOrder": { "customer": { "id": "gid://shopify/Customer/544365967", "email": "bob@example.com", "firstName": "Bob", "numberOfOrders": "25", "defaultAddress": { "id": "gid://shopify/MailingAddress/544365967?model_name=CustomerAddress", "firstName": "Bob", "lastName": "Bobsen", "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "provinceCode": "ON", "zip": "K2P0V6", "countryCodeV2": "CA" }, "taxExempt": false }, "billingAddressMatchesShippingAddress": false, "totalPriceSet": { "presentmentMoney": { "amount": "28.05", "currencyCode": "CAD" }, "shopMoney": { "amount": "22.44", "currencyCode": "USD" } }, "lineItems": [ { "appliedDiscount": { "amountSet": { "presentmentMoney": { "amount": "6.38", "currencyCode": "CAD" }, "shopMoney": { "amount": "5.1", "currencyCode": "USD" } }, "value": 5, "valueType": "FIXED_AMOUNT", "description": "Promo" }, "discountedTotalSet": { "presentmentMoney": { "amount": "6.61", "currencyCode": "CAD" }, "shopMoney": { "amount": "5.29", "currencyCode": "USD" } }, "product": { "id": "gid://shopify/Product/108828309", "title": "Draft" }, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "Draft", "variantTitle": "151cm", "variant": { "id": "gid://shopify/ProductVariant/43729076" }, "weight": { "value": 1, "unit": "KILOGRAMS" } }, { "appliedDiscount": null, "discountedTotalSet": { "presentmentMoney": { "amount": "25.98", "currencyCode": "CAD" }, "shopMoney": { "amount": "20.78", "currencyCode": "USD" } }, "product": null, "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantTitle": null, "variant": null, "weight": { "value": 1.2, "unit": "KILOGRAMS" } } ], "totalTaxSet": { "presentmentMoney": { "amount": "1.84", "currencyCode": "CAD" }, "shopMoney": { "amount": "1.47", "currencyCode": "USD" } }, "totalDiscountsSet": { "presentmentMoney": { "amount": "12.76", "currencyCode": "CAD" }, "shopMoney": { "amount": "10.21", "currencyCode": "USD" } }, "shippingLine": { "id": null, "custom": true, "shippingRateHandle": null, "title": "Free shipping", "originalPriceSet": { "presentmentMoney": { "amount": "0.0", "currencyCode": "CAD" }, "shopMoney": { "amount": "0.0", "currencyCode": "USD" } } }, "presentmentCurrencyCode": "CAD" }, "userErrors": [] } } ``` * ### Calculate properties of a draft order with markets context #### Description Calculate the properties of a proposed draft order with market specific context #### Query ```graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } } ``` #### Variables ```json { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } ``` #### cURL ```bash curl -X POST \ https://your-development-store.myshopify.com/admin/api/2026-10/graphql.json \ -H 'Content-Type: application/json' \ -H 'X-Shopify-Access-Token: {access_token}' \ -d '{ "query": "mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } }", "variables": { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } }' ``` #### React Router ```javascript import { authenticate } from "../shopify.server"; export const loader = async ({request}) => { const { admin } = await authenticate.admin(request); const response = await admin.graphql( `#graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } }`, { variables: { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, ); const json = await response.json(); return json.data; } ``` #### Ruby ```ruby session = ShopifyAPI::Auth::Session.new( shop: "your-development-store.myshopify.com", access_token: access_token ) client = ShopifyAPI::Clients::Graphql::Admin.new( session: session ) query = <<~QUERY mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } } QUERY variables = { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } response = client.query(query: query, variables: variables) ``` #### Node.js ```javascript const client = new shopify.clients.Graphql({session}); const data = await client.query({ data: { "query": `mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } }`, "variables": { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, }); ``` #### Shopify CLI ```bash shopify app execute \ --query \ 'mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } }' \ --variables \ '{ "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }' ``` #### Direct API Access ```javascript const response = await fetch('shopify:admin/api/2026-10/graphql.json', { method: 'POST', body: JSON.stringify({ query: ` mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { calculatedDraftOrder { purchasingEntity { ... on Customer { firstName } } totalPriceSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } lineItems { appliedDiscount { amountSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } value valueType description } discountedTotalSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } product { id title } quantity requiresShipping sku taxable title variantTitle variant { id } weight { value unit } } totalTaxSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } totalDiscountsSet { presentmentMoney { amount currencyCode } shopMoney { amount currencyCode } } presentmentCurrencyCode } userErrors { field message } } } `, variables: { "input": { "presentmentCurrencyCode": "CAD", "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "123 Amoebobacterieae St", "address2": "", "city": "Ottawa", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Bobsen", "phone": "", "provinceCode": "ON", "zip": "K2P0V6" }, "customerId": "gid://shopify/Customer/544365967", "lineItems": [ { "appliedDiscount": { "description": "Promo", "value": 5, "valueType": "FIXED_AMOUNT" }, "customAttributes": [], "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "151cm", "variantId": "gid://shopify/ProductVariant/43729076", "weight": { "unit": "KILOGRAMS", "value": 1 } }, { "appliedDiscount": null, "customAttributes": [], "originalUnitPrice": "10.0", "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantId": null, "weight": { "unit": "KILOGRAMS", "value": 1.2 } } ], "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }), }); const { data } = await response.json(); console.log(data); ``` #### Response ```json { "draftOrderCalculate": { "calculatedDraftOrder": { "purchasingEntity": { "firstName": "Bob" }, "totalPriceSet": { "presentmentMoney": { "amount": "28.05", "currencyCode": "CAD" }, "shopMoney": { "amount": "22.44", "currencyCode": "USD" } }, "lineItems": [ { "appliedDiscount": { "amountSet": { "presentmentMoney": { "amount": "6.38", "currencyCode": "CAD" }, "shopMoney": { "amount": "5.1", "currencyCode": "USD" } }, "value": 5, "valueType": "FIXED_AMOUNT", "description": "Promo" }, "discountedTotalSet": { "presentmentMoney": { "amount": "6.61", "currencyCode": "CAD" }, "shopMoney": { "amount": "5.29", "currencyCode": "USD" } }, "product": { "id": "gid://shopify/Product/108828309", "title": "Draft" }, "quantity": 1, "requiresShipping": true, "sku": "draft-151", "taxable": true, "title": "Draft", "variantTitle": "151cm", "variant": { "id": "gid://shopify/ProductVariant/43729076" }, "weight": { "value": 1, "unit": "KILOGRAMS" } }, { "appliedDiscount": null, "discountedTotalSet": { "presentmentMoney": { "amount": "25.98", "currencyCode": "CAD" }, "shopMoney": { "amount": "20.78", "currencyCode": "USD" } }, "product": null, "quantity": 2, "requiresShipping": true, "sku": null, "taxable": true, "title": "Spring Promo Item", "variantTitle": null, "variant": null, "weight": { "value": 1.2, "unit": "KILOGRAMS" } } ], "totalTaxSet": { "presentmentMoney": { "amount": "1.84", "currencyCode": "CAD" }, "shopMoney": { "amount": "1.47", "currencyCode": "USD" } }, "totalDiscountsSet": { "presentmentMoney": { "amount": "12.76", "currencyCode": "CAD" }, "shopMoney": { "amount": "10.21", "currencyCode": "USD" } }, "presentmentCurrencyCode": "CAD" }, "userErrors": [] } } ``` * ### Calculating a draft order with no line items #### Description Calculating a draft order with no line items returns a user error #### Query ```graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } } ``` #### Variables ```json { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } ``` #### cURL ```bash curl -X POST \ https://your-development-store.myshopify.com/admin/api/2026-10/graphql.json \ -H 'Content-Type: application/json' \ -H 'X-Shopify-Access-Token: {access_token}' \ -d '{ "query": "mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } }", "variables": { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } }' ``` #### React Router ```javascript import { authenticate } from "../shopify.server"; export const loader = async ({request}) => { const { admin } = await authenticate.admin(request); const response = await admin.graphql( `#graphql mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } }`, { variables: { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, ); const json = await response.json(); return json.data; } ``` #### Ruby ```ruby session = ShopifyAPI::Auth::Session.new( shop: "your-development-store.myshopify.com", access_token: access_token ) client = ShopifyAPI::Clients::Graphql::Admin.new( session: session ) query = <<~QUERY mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } } QUERY variables = { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } } response = client.query(query: query, variables: variables) ``` #### Node.js ```javascript const client = new shopify.clients.Graphql({session}); const data = await client.query({ data: { "query": `mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } }`, "variables": { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }, }); ``` #### Shopify CLI ```bash shopify app execute \ --query \ 'mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } }' \ --variables \ '{ "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }' ``` #### Direct API Access ```javascript const response = await fetch('shopify:admin/api/2026-10/graphql.json', { method: 'POST', body: JSON.stringify({ query: ` mutation CalculateDraftOrder($input: DraftOrderInput!) { draftOrderCalculate(input: $input) { userErrors { field message } } } `, variables: { "input": { "appliedDiscount": { "description": "Loyalty", "value": 5, "valueType": "FIXED_AMOUNT" }, "billingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "lineItems": [], "presentmentCurrencyCode": "CAD", "shippingAddress": { "address1": "", "address2": "", "city": "", "company": "", "countryCode": "CA", "firstName": "Bob", "lastName": "Smith", "phone": "", "provinceCode": "AB", "zip": "" }, "shippingLine": { "price": "0.0", "title": "Free shipping" }, "taxExempt": false } }, }), }); const { data } = await response.json(); console.log(data); ``` #### Response ```json { "draftOrderCalculate": { "userErrors": [ { "field": null, "message": "Add at least 1 product" } ] } } ``` * ### draftOrderCalculate reference