Has anyone had experience updating the Shipping Amount in checkout for ShopifyPlus? We are using our app to calculate a custom shipping amount but having trouble updating the shipping field in checkout within Plus.
Topic summary
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Goal: Update the Shipping Amount displayed during Shopify Plus checkout using a custom calculation from an app.
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Context: The app successfully computes a custom shipping cost intended to replace the default value at checkout.
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Problem: Unable to update the checkout’s shipping field within Shopify Plus despite having the calculated amount.
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Request: Seeking experiences, guidance, or supported methods to programmatically set or modify the shipping amount in Shopify Plus checkout (e.g., feasible APIs, implementation approaches, or constraints).
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Status: No responses or solutions provided yet; the question remains open.