# PLT-licensed couriers (paperless)

The PLT or paperless allows to create shipments and to send the courier all the documents required for customs operations in digital format.

The couriers currently entitled to use PLT on GSped are:

* Fedex
* UPS
* DHL

To be correctly used the codes must be added to the POST call for the shipment resource, codified in base64 (see the page in the documents). The maximum size of each file is 5 MB

It is possible to upload more than one file per expedition. 

**ATTENTION:** The name must correspond to the following structure:

> (doc type) / (order reference) / (sequence number) . (file extension)\
> example: COMMERCIAL\_INVOICE\_TESTREF1234\_1.pdf

The valid files are: PDF, TXT, PNG, JPG, GIF, BMP, TIF, RTF, DOC, XLS, DOCX, XLSX

The possible values for document type are the following:

![Tipologia documenti](/files/Qssq6Slu6OcfIeV1yvxs)


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