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Datatrans & Oniva – Secure payment processing for your events

Accept payments directly on your event website – secure, fast and PCI DSS compliant.

Published on
April 15, 2026
Published by
Oniva AG
Category
Payment processing

The direct integration of Datatrans into Oniva enables seamless and secure payment processing directly on your event registration page. Participants can pay using common payment methods such as credit cards, TWINT, PostFinance or Apple Pay – without being redirected to external pages. As a leading Swiss payment gateway, Datatrans meets all PCI DSS and GDPR requirements. The integration runs entirely in the background and requires no further effort once activated.

Instructions

  1. ‍Activate integration in Oniva: Enable online payments in your event settings.
  2. Define pricing: Set ticket prices and applicable VAT within your event’s booking options.
  3. Go live: Publish your event to start accepting registrations.

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Requirements

  • Valid Oniva licence agreement

Licence & pricing

  • All licences
    Available across all licence tiers
  • ‍Enterprise licences
    Option to connect your own payment ID (see pricing)

Use cases

  1. Ticketing for paid conferences: Participants purchase tickets directly on the event website using credit card or TWINT, without external ticketing platforms.
  2. Multi-tier pricing: Early bird, regular and VIP pricing can be configured in Oniva and automatically processed via Datatrans.
  3. Refunds: In case of cancellations, refunds can be triggered via the Oniva support portal API.

Further links

Validate your use case

Want to check your specific use case with Oniva? Get in touch with us.

Contact
Schedule a demo

Frequently asked questions

Everything you need to know about integration
Which payment methods are supported?

Visa, Mastercard, TWINT, PostFinance and Apple Pay. Additional methods are available on request.

Is the integration PCI DSS compliant?

Yes, Datatrans is PCI DSS Level 1 certified. Card data are never transmitted via Oniva servers.

Are there transaction fees?

A 5% payment commission (including credit card fees) is charged on net ticket revenue.

Can I accept multiple currencies?

Yes, Oniva supports CHF and EUR. The desired currency can be defined per event.

What happens if a payment fails?

Participants receive an error message and can retry using another payment method. Registration is only confirmed after successful payment.