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.
APIs.json: https://raw.githubusercontent.com/api-evangelist/simplelegal/refs/heads/main/apis.yml
- Type: Index
- Position: Consumer
- Access: 3rd-Party
- eBilling
- Enterprise Legal Management
- Legal Operations
- Legal Spend Management
- Matter Management
- Vendor Management
- Created: 2025-03-01
- Modified: 2026-05-19
The SimpleLegal REST API enables programmatic access to legal matter management, invoice processing, vendor management, spend analytics, and legal operations data. The API uses HTTP authentication and supports PATCH and POST methods for updates. All responses return JSON. Pagination is supported with configurable page sizes. The API enables integration with AP/ERP systems to share data bidirectionally, eliminating manual data entry between legal and finance systems.
- Human URL: https://developer.simplelegal.com/
- Base URL:
https://app.simplelegal.com/api
- eBilling
- Enterprise Legal Management
- Invoices
- Legal Operations
- Legal Spend Management
- Matter Management
- Vendors
- Documentation
- OpenAPI — OpenAPI Specification
- Website
- Pricing
- Integrations
- Rules
- Vocabulary
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
- Website
- Documentation
- Blog
- Parent Company
- Git Hub
- Support
- Counsel G O Vendor Portal
- Legal Requests
FN: Kin Lane Email: kin@apievangelist.com