Whistl API Integration

and Tracking


ClickPost Multi-carrier integration platform lets you integrate with 150+ carriers including Whistl using a single API


Table Of Contents

Whistl Services

Shipping services  

  • Next-day delivery

  • Freight forwarding services

Special services

  • Ecommerce fulfillment services

  • Managed Returns

Technology services

  • Tracked deliveries

  • Multichannel fulfillment

About Whistl


Whislt is the leading logistics provider in the United Kingdom, providing forward and reverse logistic services to individuals and businesses. The company’s complete fulfillment solutions make it easier for ecommerce merchants and dropshippers to expand and scale their business in the UK. The carrier's extensive nationwide network facilitates quicker order fulfillment and a better customer delivery experience.

The Whistl organization came into effect in September 201 after it was rebranded from TNT Post. The TNT Post group split into two parts in early 2014 to form PostNL and TNT Post. The TNT Post group was then rebranded as Whistl to provide complete fulfillment solutions to businesses in the UK. The company has over 14 depots and locations managed by 2700 employees. The carrier handles over 3.6 million shipments annually and owns about 1.5 million square feet of fulfillment space in the United Kingdom.

Whistl provides a unique, fully tracked delivery option for businesses looking to enhance their post-purchase experience. The company’s primary services can be divided into four parts – Parcel, Fulfilment, Mail, and Advertising. Under its parcel wing, the company provides domestic and international parcel services from the UK. You can choose the standard or the express shipments according to your customer's needs. It also offers logistics-related services, including freight forwarding and international deliveries.

Under its fulfillment wing, Whistl provides multiple modes of fulfillment solutions to cater to the various businesses in the region. The carrier can offer to handle your entire order fulfillment process from picking and packing to doorstep delivery. The company also offers returns management solutions so that you can provide ecommerce returns options to your customer. The mail delivery services offer an economical, quick way to send documents and other mail. At the same time, advertising leverages the supply chain network of the carrier to create better brand awareness and market penetration for your products.

Whistl offers tracking and order management solutions through its dashboard for better customer complaint resolution. On the other hand, the company enables multi-channel fulfillment by providing integrated ecommerce solutions. ClickPost has a logistics API Integration with Whistl to offer better order management and live tracking features without much technical hassle.

FAQs about Whistl


When can I expect my Whistl parcel to be delivered?

The delivery time frame of your parcel will depend upon the service under which you have booked the shipment. For the standard shipping option, you get an estimated delivery date once you print the shipping label for the order. If you are looking for faster delivery, you can always opt for the next-day delivery option of Whistl.


Can I track my Whistl order?

Whistl provides an optional tracking service on its orders. If you have opted for the tracking service while booking the parcel, you can use the tracking page of the Whistl website or the Insight feature of the carrier to track the live status of your parcel.

List of Whistl APIs

API Description
Manifestation and shipping label generation API:

Create order on Courier Partner, fetch waybill and shipping label and place pickup request.

Track Shipment API: Track your Whistl shipment using AWB and Courier Partner
Cancellation API Cancel shipment manifested on Courier Partner for faster returns
EDD API: Show estimated delivery date for shipments on the order checkout page
NDR Action update: Updates the after NDR action directly on courier company’s database
Return Web-hooks: Track your return shipment using AWB and Courier Partner using web-hooks




How does it work?

Once integrated with ClickPost, you will never have to manually integrate with any other carrier EVER AGAIN


Step 1 - Select The Courier


Step 2 - Enter API Key


What else can you do with ClickPost?