Articles on: Shipper Account

Get Credentials to Access The Swiss Post Shipping API

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 Swiss Post shipping API via AfterShip Shipping in just a few steps.

Get Swiss Post Developer Credentials

Email Swiss Post sales representative and cc [email protected]

Tell Swiss Post you need to obtain Swiss Post API credentials.

Swiss Post will provide testing credentials for both Sandbox and production environment

Swiss Post provides 2 API integrations, please verify your API endpoints to use. If the Token API endpoint is https://api.post.ch/OAuth/token, please contact AfterShip to config your account to point to the correct API endpoint.

Required Swiss Post API credentials

Franking license

Client ID

Client secret

Read Swiss Post docs
Supported Swiss Post service types and service options
AfterShip Shipping Swiss Post technical support: [email protected]

Updated on: 22/10/2025