Unlock endless possibilities with MATTR Pi (“pi”) APIs and SDKs, designed for customers who want to build their own digital credential experiences from the ground up, or easily integrate into an existing stack.

MATTR Pi is ideal for organisations that want the flexibility to create the experiences their users want.


Limitless potential for infinite value

MATTR Pi toolkits are fast and easy to implement and secure. With Pi, you’ll be quickly on your way to enabling your users to thrive with secure digital interactions.

Off the shelf versatility, done fast

Our kits bake in all of the foundational heavy lifting to extend verifiable credentials to your app and increase speed to market.

Compatible across any platform

We use open standards to support interoperability. See the standards we currently support here.

Rigorous security operations

Our focus on quality engineering practices and regular internal and external audits as part of the MATTR Security Framework give you confidence and peace of mind. Read more about security.

Stay ahead of the curve

Our ongoing investment roadmap guarantees you a pathway to future innovation.

One Pi, endless possibilities

MATTR Pi APIs and SDKs are packaged into convenient toolkits that will have you creating world-class experiences in no time.

MATTR Pi Wallet Toolkit

The toolkit includes APIs and SDKs that enable end users to securely and privately store credentials on their own device, whether standalone or integrated into an existing app.


  • Manage keys and identifiers with ease
  • Collect, and present credentials
  • Support secure messaging
  • Flexibility to build a wallet from scratch or integrate into an existing digital channel
  • Leverage common tooling across different technology platforms (iOS and Android)

View the full list of technical capabilities available as part of the MATTR Pi Wallet Toolkit.

MATTR Pi Verifier Toolkit

Support in-person presentation and verification, even when offline. Our toolkit gives you all you need to accelerate the development of your own verification apps.


  • Build your own compact credential verification solution into existing applications or develop a new app from scratch
  • Validate credential authenticity
  • Verify credentials offline
  • Build apps to support your verifiers with cached revocation and trusted issuer lists
  • Leverage common tooling across different technology platforms (iOS and Android)

View the full list of technical capabilities available as part of the MATTR Pi Verifier Toolkit.

Supercharge Pi with VII

Open up even more possibilities when you pair MATTR Pi with our powerful cloud-based functionality in MATTR VII.

Enable infinite flexibility to build trust where it matters most. Create journeys that allow you to support ecosystem policies, online and offline verification solutions, secure messaging and more.

Learn more: Resources on MATTR Pi

We have a range of articles and videos that deep dive into Pi, our SDK functionality and the solutions they enable.

Explore technical documentation for SDKs

Check out our documentation and tutorials over on MATTR Learn to see how our SDKs can support a range of different use cases.

Ready to get started?

Our technologies give you powerful ways to build trust and prove information about people, organisations and things.

Need a credential solution? Get in touch with us to find out how MATTR Pi gives you the flexibility to tailor the experience.