Shopify Vertex integration for accurate sales tax calculation at checkout
Connect Shopify or Shopify Plus with Vertex to automate real-time sales tax calculation at checkout, reduce filing risk across states, and keep exemptions, rules, and rates consistent.
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• Shopify checkout and order events send address, line items, discounts, shipping, and customer tax identifiers to Vertex for a live tax quote.
• Vertex returns jurisdiction-level results, including rates, taxability, and exemption outcomes, and the amounts are written back to the Shopify cart and order totals.
• Order lifecycle updates such as capture, cancellation, partial refund, and full refund trigger recalculation so tax liability mirrors what was actually settled.
• Item and shipping taxability is mapped using Vertex tax codes; Shopify SKUs and product types are used as matching keys where available.
• Customer exemption certificates or entity use codes are passed as customer attributes and applied in Vertex during calculation when present.
• Request and response payloads are logged with transaction IDs, and failures fall back to Shopify’s native tax rules based on agreed ownership.
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Why choose scandiweb to handle Shopify integration for you?
How do you integrate Vertex with Shopify or Shopify Plus for real-time sales tax at checkout?
We connect Shopify checkout tax calls to Vertex, map Nexus and product taxability, and validate results with test orders, refunds, and edge cases before go-live.
What data is sent from Shopify to Vertex for sales tax calculation and exemption handling?
Shopify sends ship-to address, line items, prices, shipping, discounts, and customer details, while Vertex returns calculated tax and applies exemption logic based on your setup.
Does the Shopify Vertex integration support multi-store, multi-entity, and localized tax rules?
Yes – we can align multiple Shopify stores and entities to the right Vertex company codes, jurisdictions, and rules, with consistent logic across regions and storefronts.
Can Vertex correctly calculate tax on discounts, shipping, gift cards, and refunds in Shopify?
Yes, if the integration maps taxable amounts and order adjustments correctly, Vertex will calculate tax for promotions, shipping, partial refunds, and returns in a traceable way.
Who should build a Shopify Vertex sales tax integration, and what experience does scandiweb have?
If you operate across many states or have complex exemptions, you want an integration team that can handle edge cases and QA properly; scandiweb has delivered 2,100+ eCommerce projects since 2003.
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1. Submit your integration request
2. Join a free strategy & discovery call
We’ll review your business systems, identify key challenges, and uncover actionable opportunities.
3. Get a tailored proposal
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