Developer toolbox

A collection of sample apps, API tools and templates and branding tools that you can use to get started with MATTR VII quickly and easily.

Most of the browser based utilities below are hosted on Tools by MATTR Labs.

Developers

• Postman collection: Preset configuration to get you going with MATTR VII APIs quickly and easily.
• X.509 certificates validator: Decode and validate X.509 certificates against ISO and MATTR rules.
• CSR decoder: Decode a PKCS#10 certificate signing request to check its subject and extensions before you submit it to a CA.
• CBOR decoder: Decode CBOR data into a human readable format.
• JWT decoder: Decode, validate and generate JWTs, including the MATTR VII permissions carried in an access token.

Issuers

• Pre-authorized code credential offer generator: Generate pre-authorized credential offers for testing.
• mDoc catalog: Browse the ISO claim definitions for mDL and PhotoID, then validate or build a credential request against them.
• Claims studio: Create data stores to be used as claim sources when testing your MATTR VII integrations.
• Credential templates: CWT and Semantic CWT credentials template files.

Holders

• Verify credentials: Test how your holder app presents an mDoc to a remote verifier, using either the Digital Credentials API or an OID4VP redirect.

Verifiers

• Verify credentials: Run a working verifier in your browser to see what a presentation request and response look like end to end.
• Trusted issuers: View the IACA certificates published by a tenant's trusted issuers endpoint.
• mDoc catalog: Build a credential request against the ISO claim definitions before you wire it into your verifier.

Admins

• Custom domain checker: Check whether your custom domain includes the required redirects.

DTS Operators

• CA list viewer: Display a VICAL or RICAL .cbor file in a human readable format.
• Trusted issuers: View the IACA certificates published by a tenant's trusted issuers endpoint.

Agentic

• UCP viewer: Validate and explore a Universal Commerce Protocol implementation.