Trellis

Trellis (Trellis Research, Inc.) is an AI-powered state and federal trial court research and litigation analytics platform founded by former litigator Nicole Clark. It makes the fragmented U.S. state trial court system — plus federal, appellate, supreme, and bankruptcy courts via PACER — searchable through a single interface, and exposes that data programmatically through the Trellis Trial Court Data API. Law firms, financial institutions, insurers, and researchers use Trellis for case research, judge and ruling analytics, docket monitoring with alerts, document retrieval, business development, lead generation, and due diligence. API access (V2, adding federal + PACER on top of V1 state coverage) is provisioned through a sales-gated free trial.

Trellis is listed with 1 API on the APIs.io network. Tagged areas include Company, Legal, Legal Analytics, Court Data, and Litigation.

The Trellis catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Trellis’ developer surface includes pricing, documentation, API reference, support, engineering blog, authentication, changelog, and 9 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

35.9/100 thin ▬ flat Agent 20/100 agent aware Heartbeat 100/100 alive Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

1 API

Company Legal Legal Analytics Court Data Litigation Legal Tech Judicial Analytics Artificial Intelligence

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 35.9/100 · thin

Contract Quality 8.3 / 21

Developer Ergonomics 7.7 / 17

Access Clarity 6.3 / 17

Operational Transparency 2.6 / 11

Contract Governance 0.0 / 10

Discoverability 6.2 / 9

Regulatory Posture 1.6 / 15

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)

10 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 39.0 — up to +15.3 composite points
Access Clarity scores 36.8 — up to +12.6 composite points
Contract Governance scores 0.0 — up to +12.0 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/trellis/apis.yml: open an issue on github.com/api-evangelist/trellis to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Trellis Trial Court Data API

Programmatic access to Trellis's state and federal trial court dataset: Smart Search over rulings, dockets and documents; docket/case data (parties, attorneys, documents, events...

Trellis API pricing

Prices published by Trellis, read 2026-10-07 from trellis.law/plans.

Plan	Price
Research	$140.00/month Includes: Up to 3 Accounts; 100 Content Views Per Month; 14 day free trial
Research and Judge Analytics	$210.00/month Includes: Up to 3 Accounts; 100 Content Views Per Month; Judge Analytics; 14 day free trial
Research (Annual)	Billed $1344.00 Annually Includes: Annually you save 20%
Research and Judge Analytics (Annual)	Billed $2016.00 Annually Includes: Annually you save 20%
Law Firms or Corporations	Contact Us Includes: Unlimited Accounts; Flexible Limit content views; Judge Analytics; Verdicts

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Trellis Plans Pricing

5 plans

PLANS

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Trellis Webhooks

ASYNCAPI

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Trellis Authentication

apiKey · 1 scheme

SECURITY

Trellis Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Webhooks

Webhooks

Lifecycle

Lifecycle

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

ChangeLog

ChangeLog

Commercial 2

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

Company 4

The organization behind the API

BlogRSS

BlogRSS

Website

Website

Blog

Blog

LinkedIn

Source (apis.yml)

aid: trellis
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-06'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/trellis.png
name: Trellis
description: Trellis (Trellis Research, Inc.) is an AI-powered state and federal trial court research and litigation analytics
  platform founded by former litigator Nicole Clark. It makes the fragmented U.S. state trial court system — plus federal,
  appellate, supreme, and bankruptcy courts via PACER — searchable through a single interface, and exposes that data programmatically
  through the Trellis Trial Court Data API. Law firms, financial institutions, insurers, and researchers use Trellis for case
  research, judge and ruling analytics, docket monitoring with alerts, document retrieval, business development, lead generation,
  and due diligence. API access (V2, adding federal + PACER on top of V1 state coverage) is provisioned through a sales-gated
  free trial.
url: https://raw.githubusercontent.com/api-evangelist/trellis/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- craft-ventures
x-identity-note: The originating VC-portfolio stub also listed general-catalyst and qed-investors as backers; those belong
  to a DIFFERENT company named Trellis (the insurtech at trellisconnect.com, Series A led by QED). Only Craft Ventures is
  a verified investor in this company, Trellis Research / trellis.law (seed + Series A).
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
tags:
- Company
- Legal
- Legal Analytics
- Court Data
- Litigation
- Legal Tech
- Judicial Analytics
- Artificial Intelligence
apis:
- name: Trellis Trial Court Data API
  description: 'Programmatic access to Trellis''s state and federal trial court dataset: Smart Search over rulings, dockets
    and documents; docket/case data (parties, attorneys, documents, events); docket refresh; rulings; documents; judge analytics;
    alerts; usage; and webhooks. V2 (May 2024) adds federal court and PACER integration.'
  humanURL: https://trellis.law/legal-data-api
  baseURL: https://api.trellis.law
  tags:
  - Legal
  - Court Data
  - Litigation
  - Judicial Analytics
  properties:
  - type: Documentation
    url: https://support.trellis.law/trellis-api
  - type: APIReference
    url: https://trellis.law/feature/trellis-trial-court-api
  - type: Authentication
    url: authentication/trellis-authentication.yml
  - type: Webhooks
    url: asyncapi/trellis-webhooks.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Pricing
  url: https://trellis.law/plans
- type: Plans
  url: plans/trellis-plans-pricing.yml
- url: https://blog.trellis.law/feed/
  type: BlogRSS
- type: Website
  url: https://trellis.law
- type: DeveloperPortal
  url: https://support.trellis.law/trellis-api
- type: Documentation
  url: https://support.trellis.law/trellis-api
- type: APIReference
  url: https://trellis.law/feature/trellis-trial-court-api
- type: Support
  url: https://support.trellis.law
- type: Blog
  url: https://blog.trellis.law
- type: LinkedIn
  url: https://www.linkedin.com/company/trellis-law
- type: Authentication
  url: authentication/trellis-authentication.yml
- type: Webhooks
  url: asyncapi/trellis-webhooks.yml
- type: Lifecycle
  url: lifecycle/trellis-lifecycle.yml
- type: ChangeLog
  url: changelog/trellis-changelog.yml
- type: LLMsTxt
  url: llms/trellis-llms.txt
- type: DomainSecurity
  url: security/trellis-domain-security.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 6
  pass: local-v1

Trellis API — frequently asked questions

Does Trellis have an API?

Yes. APIs.io lists 1 API from Trellis, including Trellis Trial Court Data API.

How do I authenticate with the Trellis API?

Trellis uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Trellis Authentication.

How much does the Trellis API cost?

Trellis publishes its prices; its Research plan is $140.00/month as of 2026-10-07. APIs.io lists 5 pricing plans for Trellis, with each plan's price, limits and inclusions under Pricing on this page.

Is the Trellis API ready for AI agents?

Trellis has a Kin Score of 35.9 out of 100 (thin) and an Agent Readiness score of 19.8 (agent-aware), scored by API Evangelist on 2026-11-06.

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