Verify callers faster with eIDs
Let your agents initiate eID authentication directly from your system for callers to approve on their own device
Make calls safer for you and your customers
Secure and simple by design
Strengthen verification
eID authentication provides stronger identity verification than traditional methods like security questions
Protect callers from scams
Caller authentication lets users confirm they're speaking with a real representative
Authenticate without interruptions
With CIBA, agents initiate verification and users approve directly without additional interactions
eIDs that support Caller Authentication
Authenticate callers with trusted European eIDs.
Collect Danish addresses from Det Centrale Personregister.
Collect Norwegian addresses from the Norwegian Tax Administration (Skatteetaten).
Collect Swedish addresses from Statens personadressregister (SPAR).
Freja is an international eID, based in Sweden. With Freja, you can authenticate any user that has a passport from a country that issues them with a biometric chip. Today, that's 167 countries.
Learn more about how to integrate Freja.
Vipps MobilePay is a digital identity embedded in the hugely popular peer-to-peer payment app, Vipps MobilePay. Vipps MobilePay provides a smooth authentication and identification experience using the most popular consumer app in Norway.
Learn more about Vipps MobilePay
Choose the right implementation
Whenever the customer calls, you must be able to verify their identity without unnecessary friction.
Here are three ways to implement Caller Authentication:
The fastest path to go live
Bring strong authentication directly into your existing contact center and chat platform.
You get:
- Verification with eIDs
- Verification before or during the conversation
Why pick this:
- Reduce the risk of scams
- Avoid security questions
- Shorten handling times
- Integrate into your existing workflows
- Implement quickly
Best for:
Organizations with an established CX or contact center platform that want a proven, scalable solution.
Implement on your own
Build authentication directly into your own flows via API with full flexibility and control.
You get:
- CIBA flow via our API
- Verification with eIDs
- Full architectural flexibility
Why pick this:
- Retain maximum technical control
- Create customized workflows
- Integrate on your own terms
Best for:
Companies with in-house development teams and specific requirements for how data moves through their systems.
Tailored implementation
We design and configure Caller Authentication together with you and your team.
You get:
- Platform integration
- Customized flows and security levels
- Advice on processes, governance, and compliance
- Dedicated onboarding
Why pick this:
- Implement quickly and securely
- Tailor the solution to complex requirements
- Get strategic guidance across channels
Best for:
Larger organizations with multiple systems and high regulatory requirements, or technical providers with many CX customers.
Learn more about Caller Authentication
Get up to speed with our latest blog posts

Why Is Caller Authentication Especially Important Right Now?
Caller authentication isn’t a brand-new concept.

Caller Authentication vs. Other Verification Methods
Caller authentication via eIDs is a highly secure, fraud-resistant, and user-frien…

How Exactly Does Caller Authentication Work?
Caller authentication aims to answer just one question: Is the caller who they say…
Explore our guides
Understand how Caller Authentication and CIBA work
Learn the technical side of how CIBA works
Learn the basics about CIBA and its use cases
How to authenticate callers with Twilio, CIBA and BankID
How to implement Swedish BankID in telephone calls
Ready to verify your callers?
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