Trellis Research

Trellis Trial Court Data API

REST Data API (V2, May 2024) for programmatic access to U.S. state and federal trial court data — Search (Boolean/query over Cases, Documents, Rulings with filtering and sorting), Rulings, Judges, Usage (billing-cycle usage stats), and Webhooks (manage refresh/alert notifications). API-key auth via the Authorization header.

GitHub

Documentation

📖
Documentation
https://support.trellis.law/trellis-api
📖
APIReference
https://support.trellis.law/trellis-api
📖
Authentication
https://raw.githubusercontent.com/api-evangelist/trellis-research/refs/heads/main/authentication/trellis-research-authentication.yml

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/trellis-research/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
name: Trellis Trial Court Data API
description: REST Data API (V2, May 2024) for programmatic access to U.S. state and federal trial court
  data — Search (Boolean/query over Cases, Documents, Rulings with filtering and sorting), Rulings, Judges,
  Usage (billing-cycle usage stats), and Webhooks (manage refresh/alert notifications). API-key auth via
  the Authorization header.
humanURL: https://support.trellis.law/trellis-api
baseURL: https://trellis.law/api/
properties:
- type: Documentation
  url: https://support.trellis.law/trellis-api
- type: APIReference
  url: https://support.trellis.law/trellis-api
- type: Authentication
  url: authentication/trellis-research-authentication.yml