Developers
Build on the open rails
Run the reference stack locally, explore OpenAPI specs, and prove compliance with the conformance suite. Use Mattertwo Connect only if you want hosted multi-firm connectivity.
Sandbox
Reference TSP
Full demo firm stack: authorisation, resource APIs, and consent web UI for local testing.
Learn moreVerification
Conformance suite
CLI covering Directory, DCR, auth, FAPI hygiene, and client data boundaries.
Learn moreStandard
Specification
Ontology, JSON Schema, and participation models for legal practice data.
Learn moreGetting started
Read What is Open Law? and the Ecosystem pages so Directory → DCR → Access is clear before writing code.
Clone the open rails
| Repository | Purpose |
|---|---|
| specification | Ontology and schemas |
| directory | Trust anchor reference |
| dynamic-client-registration | DCR profile |
| read-write-api | Resource API standard |
| open-data-api | Public discovery |
| reference-tsp | Full demo firm stack |
| conformance-suite | Attestation CLI |
Follow each repository README for install and commands.
Run a local sandbox
The reference TSP sandbox scripts start Directory, firm APIs, and consent UI together so you can walk a full client journey.
Optional: hosted connectivity
If you are building a client-facing app and want one API key instead of operating SSA/DCR/token plumbing, evaluate Mattertwo Connect.