USPS Integration

Connect USPS to Fulfillor so shipping is handled directly inside warehouse workflows.
Labels, service selection, and tracking are created as orders are packed, using real warehouse activity rather than manual steps or disconnected tools.

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Why Teams Use Fulfillor with USPS

USPS labels generated at packing confirmation

Tracking updates synced once shipments are confirmed

Support for multiple USPS services per warehouse

Client-level shipping separation for complex operations

Accurate shipment data helps reduce delivery issues

Shipping workflows stay aligned with warehouse execution

Built for USPS Shipping at Scale

Fulfillor is a warehouse management system designed for high-volume fulfillment and multi-location operations.
Its USPS integration supports shipping from multiple warehouse locations while keeping client data separated and warehouse operations under control.
This makes Fulfillor well-suited for shared warehouse environments, including 3PL operations managing shipping on behalf of multiple clients.

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USPS shipping label generation

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Support for USPS service types

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Multi-location fulfillment support

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Role-based access and operational controls

How the USPS Integration Works

1. Connect your USPS account securely to Fulfillor

2. Configure shipping rules, services, and warehouse settings based on operational requirements

3. Orders are packed and shipped inside Fulfillor as part of normal warehouse workflows

4. Tracking and shipment confirmations sync automatically to connected sales channels

Fulfillor acts as the system of record for warehouse activity. USPS handles delivery.

USPS + Fulfillor in the Fulfillment Flow

Each system has a clearly defined role, with Fulfillor controlling warehouse execution and USPS responsible for transportation.

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Orders flow into Fulfillor from connected sales channels

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Fulfillor manages picking, packing, and shipment creation.

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USPS handles delivery, with tracking and confirmations sent back automatically.

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See USPS Shipping Under Control

Run USPS shipping as part of warehouse execution, not as a disconnected step.

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Frequently Asked Questions

USPS can usually be connected quickly using secure credentials. Once connected, shipping rules and services are configured based on warehouse setup and operational requirements.

Yes. Fulfillor supports USPS service types, allowing teams to select services based on shipping rules and fulfillment needs.

USPS labels and tracking numbers are generated during packing confirmation, ensuring shipment data reflects actual warehouse activity.

Yes. The USPS integration supports shipping from multiple warehouse locations, allowing consistent execution across fulfillment operations.

Yes. Tracking numbers and shipment confirmations are synced automatically to connected sales channels once orders are shipped.