Simple connection – maximum flexibility
secrecy
guaranteed
Reach all of Switzerland with oneAPI
Recipient-oriented, automated and cost-optimized via the most popular channels such as ePost, eBill, SMS or e-mail.
Powerful API for carefree communication
With ePost's oneAPI, you connect your ERP, HR or specialist system once - and then send all documents automatically via the appropriate channel - digitally or physically.
It combines the binding nature of a letter with the speed of digital communication. Public authorities, companies and private individuals send and receive mail efficiently, securely and sustainably.
Automatic dispatching according to recipient preference
Digital delivery as ePost, eBill, e-mail or SMS
Physical delivery to recipients who cannot be reached digitally
Monitoring & control
Read the documentation:
Read in for a smooth start: step-by-step instructions, code examples and best practices. Start with the business documentation first.
Onboarding
Onboarding to the test system and first simple test shipments with the help of our simple Postman Collection to increase the understanding of our communication platform.
Implement integration technically and then test it:
You can check the integration in our test environment or start development directly.
Go Live with ePost:
We accompany you personally during onboarding to the productive environment
oneAPI is ideal for:
Invoice Dispatch and Payroll Accounting
Automate your invoice delivery and payroll accounting directly from your ERP system - efficiently, securely and directly
Authorities and Institutions with High Shipping Volumes
Digitize your administration and reach citizens securely via verified Swiss channels.
Quotes and Order Management
Send quotes, orders, and confirmations automatically and reach your customers quickly, securely, and with full traceability.
Contracts and Customer information
Reduce your administrative workload and deliver contracts and important documents digitally and in compliance with the law via verified Swiss channels.
Get up and running quickly with oneAPI - it's that simple
Test system onboarding
Read our documentation and carry out your first simple test runs with the help of our user-friendly Postman Collection.
Technical integration
You can check the integration in our test environment or start development directly.
Go Live with ePost
Let us advise you
Arrange a personal appointment with us. We will be happy to advise you and work with you to find the optimum solution.
Your advantages with oneAPI at a glance
Seamless integration
Thanks to oneAPI, a single integration is all you need to send all your business mail automatically. No more manual reformatting or system changes.
Intelligent matching
The ePost communication platform automatically recognizes which delivery channel is optimal - whether by e-mail, telephone number or address.
Hybrid and flexible
Digital delivery, physical dispatch or a combination of both: oneAPI connects all channels and ensures that your communication arrives.
Monitoring & control
Keep an overview: All shipments, status messages and reports can be found centrally in one place.
Data protection guaranteed
Secure in Switzerland
Your mail remains in Swiss data centres – local and reliably secure.
FADP-compliant
Encrypted
How our customers use oneAPI
Swisspension AG uses oneAPI for all of its letter delivery, including the dispatch of salary letters.
"Dispatch via ePost worked smoothly after just a short time."
Fredy Tschui, Software Engineer
To the success story