Doc Category: Developer documentation
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Shipping Rate by Distance Developer Reference
Reference public filters for formulas, shipping classes, package weight, dimensional weight, and surcharge calculations.
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Shipping Rate by Distance Advanced Cost Formulas
Use formula placeholders such as distance, quantity, cost, and fee to calculate advanced distance rates.
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Checkout Shield API Keys for Headless or Custom Checkout
Create and use Checkout Shield API keys for trusted headless or custom checkout integrations.