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ProCarrier

ProCarrier offers domestic and international shipping services for shipments originating in Great Britain, Guernsey, Jersey, and the Netherlands.

This guide provides developers with the details needed to build ProCarrier shipping capabilities into your ShipStation V2 API workflows.

Requirements

PropertyTypeRequired?Description
nicknamestringrequiredUsed to identify your account in ShipStation V2 API
api_keystringrequiredYour ProCarrier account API key
use_carrier_tracking_numberbooleanOptional

Shipping Requirements

  • Both weight and dimensions are required for all shipments.

Connect Account

You can connect a ProCarrier account using the POST method to the /v2/connections/carriers/ endpoint, or via the ShipStation dashboard.

Connect via Dashboard

Log in to your ShipStation account and navigate to the Carriers section to connect your ProCarrier account using your credentials.

Connect via Endpoint

carrier_code: pro_carrier

POST /v2/connections/carriers/:carrier_code

curl -i -X POST \
  https://api.shipstation.com/v2/connections/carriers/dhl_express \
  -H 'Content-Type: application/json' \
  -H 'api-key: YOUR_API_KEY_HERE' \
  -d '{
    "nickname": "Stamps.com",
    "username": "your_username",
    "password": "your_password"
  }'

A successful connection will return a response with the carrier_id, which you'll use for any requests for this account going forward.

Rates

ProCarrier does not support rate shopping (ShipEngine guide) with ShipStation V2 API. Your ProCarrier account contact can provide you with the details about your contracted rates.

Service Details

Available ProCarrier services are provided below. Please note that carriers may update their available services at any time. To ensure you are always using valid services, you can use the list carrier services (ShipEngine guide) endpoint at any time.

Domestic Services

ServiceAPI CodeOrigin Countries
Pro Carrier Parcel Expresspro_carrier_pcpeGB, GG, JE
Pro Carrier Parcel Packetpro_carrier_pcptGB, GG, JE
Pro Carrier Parcel Pluspro_carrier_pcplGB, GG, JE
Pro Carrier Parcel Postpro_carrier_pcppGB, GG, JE

International Services

ServiceAPI CodeOrigin Countries
Pro Carrier Parcel Express Internationalpro_carrier_pcpe_intlGB, NL
Pro Carrier Parcel Packet Internationalpro_carrier_pcpt_intlGB, NL
Pro Carrier Parcel Plus Internationalpro_carrier_pcpl_intlGB, NL
Pro Carrier Parcel Post Internationalpro_carrier_pcpp_intlGB, NL

Shipping from Great Britain to Northern Ireland

ProCarrier has confirmed that they are not requiring any changes or additional data for shipments to Northern Ireland relating to the Windsor Framework (ShipEngine guide) that goes into effect 1 May 2025.

Please note that ProCarrier considers shipments from Great Britain to Northern Ireland to be cross-border shipments and they do require the standard customs declarations (ShipEngine guide) for products included in the shipments.

NOTE: Action Required: New Zealand Border Levy Changes

Effective April 1, 2026, a new NZD $2.21 (+ GST) levy applies to low-value air freight consignments entering New Zealand. This levy is charged per consignment, not per item.

See the Shipping to New Zealand: Low Value Goods (LVG) Levy section in International Shipments (ShipEngine guide) for full details.

Return Services

ProCarrier does not currently support support creating return labels (ShipEngine guide).

Packages

The following carrier package types (ShipEngine guide) are available for ProCarrier services:

NameAPI CodePackage Attributes
Packagepro_carrier_packageInternational, Domestic

Adding Shipment Insurance

ProCarrier does not support adding carrier insurance to shipments created with ShipStation V2 API.

Label Support

  • Label sizes: 4" x 6"
  • Label formats: PDF, PNG, ZPL
  • Supports unicode characters: no

Label Reference Fields

ProCarrier does not support adding custom label messages (ShipEngine guide).

Multi-Package Labels

ProCarrier does not support creating multi-package shipments (ShipEngine guide).

Label Branding

ProCarrier does not support label branding (ShipEngine guide).

Voiding Labels

ProCarrier supports voiding labels with ShipStation V2 API. Labels must be voided one at a time.

See our Void a Label page (ShipEngine guide) for details about voiding labels with ShipStation V2 API.

Paperless Labels

ProCarrier does not support paperless labels (ShipEngine guide).

Customs Declarations

Customs declarations are submitted electronically (via paperless trade, or "PLD").

Delivery Confirmation

Confirmation TypeAPI CodeDescription
No confirmation requirednoneNo delivery confirmation requested.

See our Delivery Confirmation page (ShipEngine guide) for more details about using the confirmation property.

Advanced Options

ProCarrier does not currently support any advanced options.

To ensure you always have the most up-to-date information about a carrier's advanced options, use the list carrier options call (ShipEngine guide).

Manifests

ProCarrier does not require manifesting (ShipEngine guide) your shipments. Shipment data is sent electronically to ProCarrier automatically.

Scheduling Pickups

ProCarrier does not support scheduling pickups (ShipEngine guide) using ShipStation V2 API.

Service Points (PUDO)

ProCarrier does not support shipping to service points (ShipEngine guide).

Tracking

ShipStation V2 API's integration with ProCarrier supports receiving tracking updates. Review our ​Track a Package guides​ (ShipEngine guide)​ for details on tracking with the ShipStation V2 API.

Disconnecting Your ProCarrier Account

See the Disconnect section in our Delete a Carrier page (ShipEngine guide) for the process of deleting or disconnecting a carrier from ShipStation V2 API.

NOTE:

If you disconnect a carrier account and reconnect it, the account will have a new carrier_id in ShipStation V2 API.