Articles on: Shipper Account

Get Credentials to Access GLS Shipping API


Overview


AfterShip Shipping is the best multi-carrier shipping software and API that enables you to automate shipping processes across USPS, UPS, FedEx, DHL, and 100+ other carriers. Get the required credentials and access GLS shipping API via AfterShip Shipping in just a few steps.


The current integration is with "Shop Returns Customer Plus API v3" to support returns from the following countries:
Austria (AT)
Belgium (BE)
Bulgaria (BG)
Czech Republic (CZ)
Croatia (HR)
Denmark (DK)
Estonia (EE)
Finland (FI)
France (FR)
Greece (GR)
Germany (DE)
Hungary (HU)
Ireland (IE)
Italy (IT)
Latvia (LV)
Lithuania (LT)
Luxembourg (LU)
Netherlands (NL)
Portugal (PT)
Poland (PL)
Romania (RO)
Slovenia (SI)
Slovakia (SK)
Spain (ES)
Sweden (SE)
Switzerland (CH) - only CH domestic
United Kingdom (GB) - only GB domestic


Get GLS Developer Credentials


  1. Register the developer account at GLS developer portal and login.
  2. Go to Apps and click “NEW APP“



  1. In the next page, input the App name, description as per you preferred, scroll down to the API list to find “Shop Returns Customer Plus API v3“, click “Request“ and click “SAVE” the app.




  1. Follow GLS guide to apply for production access: To get production access please request the respective API(s) via the developer portal. Then get in touch with your GLS sales contact and include your app id in the communication.
    The “app id“ can be found from above step after the app created.



Required GLS credentials


  • APP ID
  • API Key
  • API Secret


Additional resources



Updated on: 16/05/2025