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USPS Shipping App & API

Connect your USPS accounts and print labels with your negotiated rates.

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Print USPS labels

Generate USPS shipping labels with tracking numbers and customs documents for international shipments with ease.

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Calculate USPS rates

Calculate USPS real-time shipping rates for multiple carriers. Compare available service types and expected delivery time.

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Cancel USPS labels

Cancel USPS labels to void and exclude shipments so that it does not get charged by USPS.

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Create USPS Manifest

Submit USPS manifest file, end of day form or scan form to USPS.

Fulfill orders of multiple channels in one place. courier-full

Automatically update tracking number and fulfillment status back to sales channels.

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Ship with 60 couriers in one place.

You can print labels and calculate rates for all your orders with Postmen app and API.

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Scalable shipping solution for eCommerce businesses.

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Automate your shipping process today.

Risk free. No credit card is required.