SimpleLegal

SimpleLegal is Onit's mid-market enterprise legal management (ELM) platform trusted by 550+ corporate legal departments. It provides matter management, eBilling, spend management, vendor management, legal requests, and legal operations analytics for in-house legal teams. The SimpleLegal API is organized around REST with predictable, resource-oriented URLs, enabling integration with ERP and finance systems to eliminate duplicate data entry and automate legal operations workflows.

SimpleLegal publishes 6 APIs on the APIs.io network, including Cost Codes API, Invoices API, Matters API, and 3 more. Tagged areas include E-Billing, Enterprise Legal Management, Legal Operations, Legal Spend Management, and Matter Management.

The SimpleLegal catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

SimpleLegal’s developer surface includes authentication, documentation, engineering blog, GitHub presence, support, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

37.7/100 thin ▬ flat Agent 28/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

6 APIs

E-BillingEnterprise Legal ManagementLegal Operations Legal Spend Management Matter Management Vendor Management

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 37.7/100 · thin

Contract Quality 14.8 / 25

Developer Ergonomics 5.2 / 20

Access Clarity 4.5 / 20

Operational Transparency 3.1 / 13

Contract Governance 1.6 / 12

Discoverability 8.5 / 10

Agent readiness — 28/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 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 3 / 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 Surface 0 / 5

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/simplelegal: 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 6

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

Rate Limits 1

Documented rate limits and quota policies.

Simplelegal Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 3

Standalone JSON Schema definitions for this provider's data models.

Examples 3

Example request and response payloads for these APIs.

Get Started 2

Portal, sign-up, and the first successful call

CounselGO Vendor Portal

CounselGO Vendor Portal

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

WellKnown

WellKnown

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 5

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

Authentication

SecurityTxt

Security

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 1

Pricing, plans, and the legal terms of use

Legal Requests

Legal Requests

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Parent Company

Parent Company

Source (apis.yml)

aid: simplelegal
name: SimpleLegal
description: SimpleLegal is Onit's mid-market enterprise legal management (ELM) platform trusted by 550+ corporate legal departments.
  It provides matter management, eBilling, spend management, vendor management, legal requests, and legal operations analytics
  for in-house legal teams. The SimpleLegal API is organized around REST with predictable, resource-oriented URLs, enabling
  integration with ERP and finance systems to eliminate duplicate data entry and automate legal operations workflows.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/simplelegal.png
tags:
- E-Billing
- Enterprise Legal Management
- Legal Operations
- Legal Spend Management
- Matter Management
- Vendor Management
tags_raw:
- eBilling
- Enterprise Legal Management
- Legal Operations
- Legal Spend Management
- Matter Management
- Vendor Management
position: Consumer
access: 3rd-Party
url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/apis.yml
created: '2025-03-01'
modified: '2026-08-08'
specificationVersion: '0.23'
apis:
- aid: simplelegal:simplelegal-cost-codes-api
  name: SimpleLegal Cost Codes API
  description: The Cost Codes API from SimpleLegal — 1 operation(s) for cost codes.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - Cost Codes
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-cost-codes-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
- aid: simplelegal:simplelegal-invoices-api
  name: SimpleLegal Invoices API
  description: The Invoices API from SimpleLegal — 2 operation(s) for invoices.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - Invoices
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-invoices-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
- aid: simplelegal:simplelegal-matters-api
  name: SimpleLegal Matters API
  description: The Matters API from SimpleLegal — 2 operation(s) for matters.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - Matters
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-matters-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
- aid: simplelegal:simplelegal-payments-api
  name: SimpleLegal Payments API
  description: The Payments API from SimpleLegal — 1 operation(s) for payments.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - Payments
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-payments-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
- aid: simplelegal:simplelegal-users-api
  name: SimpleLegal Users API
  description: The Users API from SimpleLegal — 1 operation(s) for users.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-users-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
- aid: simplelegal:simplelegal-vendors-api
  name: SimpleLegal Vendors API
  description: The Vendors API from SimpleLegal — 2 operation(s) for vendors.
  humanURL: https://developer.simplelegal.com/
  baseURL: https://app.simplelegal.com/api
  tags:
  - Vendors
  properties:
  - type: OpenAPI
    url: openapi/simplelegal-vendors-api-openapi.yml
  - type: Documentation
    url: https://developer.simplelegal.com/
  - type: Website
    url: https://www.simplelegal.com/
  - type: Pricing
    url: https://www.simplelegal.com/pricing
  - type: Integrations
    url: https://www.simplelegal.com/integrations
  - type: Rules
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/rules/simplelegal-rules.yml
  - type: Vocabulary
    url: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/vocabulary/simplelegal-vocabulary.yml
common:
- type: AgenticAccess
  url: agentic-access/simplelegal-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/simplelegal-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/simplelegal-domain-security.yml
- type: Authentication
  url: authentication/simplelegal-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/simplelegal
- type: Website
  url: https://www.simplelegal.com/
- type: Documentation
  url: https://developer.simplelegal.com/
- type: Blog
  url: https://www.simplelegal.com/blog/
- type: Parent Company
  url: https://www.onit.com/products/elm/simplelegal/
- type: GitHub
  url: https://github.com/SimpleLegal
- type: Support
  url: https://support.simplelegal.com/
- type: CounselGO Vendor Portal
  url: https://www.simplelegal.com/counselgo
- type: Legal Requests
  url: https://info.simplelegal.com/legal-requests-datasheet
- type: Login
  url: https://app.simplelegal.com/
- type: SecurityTxt
  url: well-known/simplelegal-security.txt
- type: WellKnown
  url: well-known/simplelegal-well-known.yml
- type: Security
  url: security/simplelegal-vulnerability-disclosure.yml
integrations:
- name: Strategic Alliances
- name: Become a Partner
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-merged-from:
- simple-legal

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