Welcome to the Posti API

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Posti provides API interfaces for various logistics services. With APIs you can send parcel and mail data, track parcels, interface to warehouse and dropshipping service. Use of interfaces require service agreement with Posti. The Posti APIs use oAuth 2.0 for the authentication.

Please contact our Online retail support to obtain API keys for an interface.

Provide your company’s business ID and name of the API to which you need the keys.