CosmoLex

CosmoLex is a cloud-based legal practice management platform that combines matter management, time tracking, billing, trust accounting, and client engagement in a single system. It provides a web services API for integrating matters, time entries, billing, trust accounting, and compliance workflows, subject to a per-user-license monthly call quota. CosmoLex serves solo practitioners and law firms up to 100 users and is designed to satisfy state bar trust accounting compliance requirements.

CosmoLex publishes 1 API on the APIs.io network. Tagged areas include Legal, Law Practice Management, Matter Management, Billing, and Trust Accounting.

The CosmoLex catalog on APIs.io includes 1 JSON-LD context.

CosmoLex’s developer surface includes pricing, engineering blog, support, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.5/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessPaid

1 APIs

LegalLaw Practice ManagementMatter ManagementBillingTrust AccountingTime TrackingLegal ComplianceLegal Software

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 33.5/100 · thin

Contract Quality 4.4 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 16.8 / 20

Operational Transparency 4.1 / 13

Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 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

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/cosmolex: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

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

Rate Limits 1

Documented rate limits and quota policies.

Cosmolex Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Get Started 1

Portal, sign-up, and the first successful call

Login

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

RateLimits

RateLimits

Support

Support

Commercial 5

Pricing, plans, and the legal terms of use

Plans

FinOps

Pricing

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: cosmolex
name: CosmoLex
description: 'CosmoLex is a cloud-based legal practice management platform that combines matter management, time tracking,
  billing, trust accounting, and client engagement in a single system. It provides a web services API for integrating matters,
  time entries, billing, trust accounting, and compliance workflows, subject to a per-user-license monthly call quota. CosmoLex
  serves solo practitioners and law firms up to 100 users and is designed to satisfy state bar trust accounting compliance
  requirements.

  '
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cosmolex.png
url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
type: Index
tags:
- Legal
- Law Practice Management
- Matter Management
- Billing
- Trust Accounting
- Time Tracking
- Legal Compliance
- Legal Software
apis:
- aid: cosmolex:cosmolex-api
  name: CosmoLex API
  description: 'Web services API for CosmoLex legal practice management. Enables programmatic access to matters, time entries,
    billing, trust accounting, documents, and client data. Access is subject to a maximum of 1,000 API calls per user license
    per month as defined in the Subscription Agreement. No public developer portal is published; integrators should contact
    CosmoLex for partner API access.

    '
  humanURL: https://www.cosmolex.com/integrations/
  baseURL: https://law.cosmolex.com
  tags:
  - Matters
  - Time Entries
  - Billing
  - Trust Accounting
  - Documents
  - Legal
  properties:
  - type: Documentation
    url: https://support.cosmolex.com/knowledge-base/app-integrations/
  - type: Integrations
    url: https://www.cosmolex.com/integrations/
  - type: SubscriptionAgreement
    url: https://www.cosmolex.com/subscription-agreement/
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/plans/cosmolex-plans-pricing.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/rate-limits/cosmolex-rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/finops/cosmolex-finops.yml
common:
- type: DomainSecurity
  url: security/cosmolex-domain-security.yml
- type: Plans
  url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/plans/cosmolex-plans-pricing.yml
- type: RateLimits
  url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/rate-limits/cosmolex-rate-limits.yml
- type: FinOps
  url: https://raw.githubusercontent.com/api-evangelist/cosmolex/refs/heads/main/finops/cosmolex-finops.yml
- type: Website
  url: https://www.cosmolex.com/
- type: Pricing
  url: https://www.cosmolex.com/pricing/
- type: Blog
  url: https://www.cosmolex.com/blog/
- type: Support
  url: https://support.cosmolex.com/
- type: Login
  url: https://law.cosmolex.com/login/
- type: TermsOfService
  url: https://www.cosmolex.com/subscription-agreement/
- type: PrivacyPolicy
  url: https://www.cosmolex.com/privacy-policy/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

CosmoLex

Kin Score

APIs 1

CosmoLex API

Pricing Plans 1

Cosmolex Plans Pricing

Rate Limits 1

Cosmolex Rate Limits

FinOps 1

Cosmolex Finops

Semantic Vocabularies 1

Cosmolex Context

Security Posture 1

Cosmolex Domain Security

Resources