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Paying for Packsmith

How Packsmith billing works and what to expect with carrier adjustments and return-to-sender fees.

How billing works

With Packsmith, you pay as you go. You’ll add a credit card, and we’ll charge it each time you buy a label.

You can add or update your credit card:

  • From Settings in Packsmith, or on the individual label purchase page.
  • Anytime in the Packsmith Shopify integration under the Billing section.

What you’re paying for

Every time you buy a label, you’re paying for:

  • The shipping label (based on weight, dimensions, destination, and service level, including surcharges).
  • Any additional fees passed through by the carrier in the form of an adjustment.

Carrier adjustments

Sometimes, the price of a label can increase after it's been used. This usually happens when the carrier scans the package and finds something doesn’t match–like the actual weight, dimensions, or packaging type.

If that happens, the carrier will issue an adjustment charge, which we’ll charge to your default credit card on file. 

Common reasons for adjustments

  • The actual package was heavier or larger than what was entered.
  • The address was incorrect or incomplete.
  • Oversize dimensions or oversized weights.

📝Carrier adjustments can be steep! We recommend ensuring your package size and weight is accurate each time you buy a label. 

Return to sender (RTS) fees

If an order can’t be delivered and is returned to you, most carriers charge a fee. This will be billed to your default credit card.

You can help avoid RTS charges by:

  • Double-checking addresses before shipping.
  • Fixing any flagged addresses in Shopify before fulfillment.
  • Making sure your return address is configured correctly in the Packsmith Shopify integration.

📝The tracking history on the carrier’s website will indicate whether the package is being returned to sender.