Relativity E-Discovery & Legal Review API
Relativity REST API for e-discovery and legal document review platform. Enables AI agents to manage document review workspaces, handle document ingestion and processing pipelines, access review and coding decisions on documents, retrieve privilege log and responsiveness data, manage search and analytics queries, access production and export workflows, retrieve reviewer assignment and progress data, handle legal hold management, and integrate e-discovery data with case management and litigation support systems.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
E-discovery legal data. SOC2, ISO27001, GDPR, FedRAMP. OAuth2. Multi-region. Privilege protections. Legal hold.
⚡ Reliability
Best When
A law firm, corporate legal department, or e-discovery service provider using Relativity wants AI agents to automate document review workflows, privilege logging, production management, and litigation analytics.
Avoid When
PRIVACY+PRIVILEGE: E-discovery documents contain highly sensitive information including privileged attorney-client communications, work product, and confidential business data under legal hold. Automated privilege decisions must have attorney oversight. Inadvertent privilege waiver is a legal risk.
Use Cases
- • Managing document review workspaces and workflows from litigation support agents
- • Accessing privilege and responsiveness coding decisions from legal analytics agents
- • Retrieving production set and export data from document production agents
- • Managing legal holds and custodian data from litigation hold management agents
Not For
- • General document management without e-discovery and legal review workflows
- • Small law firms without large-scale document review needs
- • Non-litigation compliance without formal e-discovery requirements
Interface
Authentication
Relativity uses OAuth 2.0 and API key for API access. Workspace-level and system-level credentials. RelativityOne (cloud) and Relativity (on-premises) have different API configurations. Relativity Developer Portal with C# and Python SDKs. Strong developer ecosystem.
Pricing
Chicago, Illinois. Founded 2001. Market leader for e-discovery software globally. RelativityOne is the cloud version. Used by 180+ of the AmLaw 200. 10,000+ law firms and corporations. Acquired kCura 2001, rebranded Relativity 2016. Strong AI/ML features (Active Learning). Competes with Nuix and Reveal.
Agent Metadata
Known Gotchas
- ⚠ PRIVACY+PRIVILEGE: E-discovery docs include privileged communications — automated privilege decisions need attorney oversight
- ⚠ No public MCP server — OAuth2 REST API with C# and Python SDKs
- ⚠ Inadvertent privilege waiver risk — automated privilege coding without attorney review is legally risky
- ⚠ RelativityOne (cloud) vs on-premises have different API endpoints — verify deployment
- ⚠ Legal hold data has specific preservation requirements — deletion automation must check hold status
- ⚠ Active Learning AI review features are separate from API — RAL model configuration not fully API-controllable
Alternatives
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Scores are editorial opinions as of 2026-03-06.