RelativityOne

RelativityOne is a cloud-based eDiscovery and legal technology platform that provides comprehensive REST APIs for legal hold management, document processing, search and analytics, workspace management, identity and access control, and billing insights. The platform integrates with Microsoft 365 and Google Workspace for data preservation and legal hold workflows.

RelativityOne publishes 6 APIs on the APIs.io network, including Communications API, Custodians API, Entities API, and 3 more. Tagged areas include eDiscovery, Legal, Legal Hold, Document-Management, and Compliance.

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

RelativityOne’s developer surface includes authentication, documentation, API reference, changelog, engineering blog, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

39.1/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessEnterprise

1 APIs

eDiscovery Legal Legal Hold Document-Management Compliance Litigation

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 39.1/100 · thin

Contract Quality 14.4 / 23

Developer Ergonomics 5.6 / 18

Access Clarity 3.8 / 18

Operational Transparency 2.8 / 12

Contract Governance 3.1 / 11

Discoverability 6.2 / 9

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 20/100 · 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 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

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 github.com/api-evangelist/relativityone: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 11

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

Object Manager API

The Object Manager API provides CRUD operations for documents and Relativity Dynamic Objects (RDOs). It supports bulk read, create, update, and delete operations with filtering ...

Workspace Manager API

The Workspace Manager API provides CRUD operations for Relativity workspaces, including workspace creation, configuration, application installation, and environment management.

Search and Analytics API

APIs for search and analytics operations in RelativityOne including dtSearch index management, keyword search, Analytics Conceptual Index for LSI and concept discovery, and Pivo...

User and Permission Manager API

APIs for identity and access management in RelativityOne. Includes user CRUD operations, permission assignment and management, group administration, and client management.

Import and Export API

Import and Export Services API for handling document and Relativity Dynamic Object (RDO) transfers, including bulk import operations for large data sets.

RelativityOne Communications API

Operations for legal hold communications and notifications

RelativityOne Custodians API

Operations for managing legal hold custodians

RelativityOne Entities API

Operations for managing HR entities and employees

RelativityOne Legal Hold Projects API

Operations for managing legal hold projects

RelativityOne Preservation API

Operations for data preservation and releases

RelativityOne Tasks API

Operations for legal hold task management

Pricing Plans 1

Published pricing tiers and plan structures.

Relativityone Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Relativityone Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

Relativityone Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Relativityone Context

0 classes · 27 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

RelativityOne API Rules

5 rules · 3 warnings 2 info

SPECTRAL

RelativityOne API Rules

10 rules · 3 errors 5 warnings 2 info

SPECTRAL

2 properties

JSON SCHEMA

Scroll for all 18

JSON Structure 2

JSON Structure definitions describing this provider's data shapes.

Relativityone Legal Hold Structure

0 properties

JSON STRUCTURE

Relativityone Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Relativityone Add Custodian Example

4 fields

EXAMPLE

Relativityone Create Legal Hold Project Example

4 fields

EXAMPLE

Security Posture 4

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

Relativityone Authentication

http · 1 scheme

SECURITY

Relativityone Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Relativityone Vulnerability Disclosure

security.txt · contact published

SECURITY

Relativityone Trust Center

FedRAMP, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Relativityone Agentic Access

13 operations · 9 acting

AGENTIC

Resources

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

JSONLDContext

JSONLDContext

Vocabulary

Vocabulary

SpectralRules

SpectralRules

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

TrustCenter

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: relativityone
name: RelativityOne
description: RelativityOne is a cloud-based eDiscovery and legal technology platform that provides comprehensive REST APIs
  for legal hold management, document processing, search and analytics, workspace management, identity and access control,
  and billing insights. The platform integrates with Microsoft 365 and Google Workspace for data preservation and legal hold
  workflows.
type: Index
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:
  - openapi
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/relativityone.png
tags:
- eDiscovery
- Legal
- Legal Hold
- Document-Management
- Compliance
- Litigation
tags_raw:
- eDiscovery
- Legal
- Legal Hold
- Document Management
- Compliance
- Litigation
url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/apis.yml
created: '2025-03-01'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: relativityone:object-manager-api
  name: Object Manager API
  description: The Object Manager API provides CRUD operations for documents and Relativity Dynamic Objects (RDOs). It supports
    bulk read, create, update, and delete operations with filtering and search capabilities across workspace objects.
  humanURL: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
  baseURL: https://relativity.rest/api
  tags:
  - Document-Management
  - Object Management
  - CRUD Operations
  - Workspace
  tags_raw:
  - Document Management
  - Object Management
  - CRUD Operations
  - Workspace
  properties:
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- aid: relativityone:workspace-manager-api
  name: Workspace Manager API
  description: The Workspace Manager API provides CRUD operations for Relativity workspaces, including workspace creation,
    configuration, application installation, and environment management.
  humanURL: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
  baseURL: https://relativity.rest/api
  tags:
  - Workspace Management
  - Administration
  - Configuration
  properties:
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- aid: relativityone:search-analytics-api
  name: Search and Analytics API
  description: APIs for search and analytics operations in RelativityOne including dtSearch index management, keyword search,
    Analytics Conceptual Index for LSI and concept discovery, and Pivot queries for data analysis.
  humanURL: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
  baseURL: https://relativity.rest/api
  tags:
  - Search
  - Analytics
  - Full-Text Search
  - Concept Search
  - Data Analysis
  tags_raw:
  - Search
  - Analytics
  - Full Text Search
  - Concept Search
  - Data Analysis
  properties:
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- aid: relativityone:user-permission-manager-api
  name: User and Permission Manager API
  description: APIs for identity and access management in RelativityOne. Includes user CRUD operations, permission assignment
    and management, group administration, and client management.
  humanURL: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
  baseURL: https://relativity.rest/api
  tags:
  - Identity
  - Access Management
  - Permissions
  - User Management
  properties:
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- aid: relativityone:import-export-api
  name: Import and Export API
  description: Import and Export Services API for handling document and Relativity Dynamic Object (RDO) transfers, including
    bulk import operations for large data sets.
  humanURL: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
  baseURL: https://relativity.rest/api
  tags:
  - Import
  - Export
  - Data Transfer
  - Bulk Operations
  properties:
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- aid: relativityone:relativityone-communications-api
  name: RelativityOne Communications API
  description: Operations for legal hold communications and notifications
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Communications
  properties:
  - type: OpenAPI
    url: openapi/relativityone-communications-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
- aid: relativityone:relativityone-custodians-api
  name: RelativityOne Custodians API
  description: Operations for managing legal hold custodians
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Custodians
  properties:
  - type: OpenAPI
    url: openapi/relativityone-custodians-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
- aid: relativityone:relativityone-entities-api
  name: RelativityOne Entities API
  description: Operations for managing HR entities and employees
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Entities
  properties:
  - type: OpenAPI
    url: openapi/relativityone-entities-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
- aid: relativityone:relativityone-legal-hold-projects-api
  name: RelativityOne Legal Hold Projects API
  description: Operations for managing legal hold projects
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Legal Hold Projects
  properties:
  - type: OpenAPI
    url: openapi/relativityone-legal-hold-projects-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
- aid: relativityone:relativityone-preservation-api
  name: RelativityOne Preservation API
  description: Operations for data preservation and releases
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Preservation
  properties:
  - type: OpenAPI
    url: openapi/relativityone-preservation-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
- aid: relativityone:relativityone-tasks-api
  name: RelativityOne Tasks API
  description: Operations for legal hold task management
  humanURL: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  baseURL: https://relativity.rest/api
  tags:
  - Task
  tags_raw:
  - Tasks
  properties:
  - type: OpenAPI
    url: openapi/relativityone-tasks-api-openapi.yml
  - type: Documentation
    url: https://platform.relativity.com/RelativityOne/Content/Legal_Hold_API/Legal_Hold_API.htm
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-legal-hold-project-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-schema/relativityone-custodian-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-structure/relativityone-legal-hold-structure.json
common:
- type: AgenticAccess
  url: agentic-access/relativityone-agentic-access.yml
- type: TrustCenter
  url: security/relativityone-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/relativityone-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/relativityone-domain-security.yml
- type: Authentication
  url: authentication/relativityone-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/relativityhq
- type: Website
  url: https://www.relativity.com
- type: Documentation
  url: https://platform.relativity.com/
- type: Documentation
  url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/index.htm
- type: APIReference
  url: https://platform.relativity.com/RelativityOne/Content/Relativity_Platform/Relativity_API_reference.htm
- type: ChangeLog
  url: https://platform.relativity.com/RelativityOne/Content/What_s_new/What_s_new.htm
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/json-ld/relativityone-context.jsonld
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/vocabulary/relativityone-vocabulary.yml
- type: SpectralRules
  url: https://raw.githubusercontent.com/api-evangelist/relativityone/refs/heads/main/rules/relativityone-rules.yml
- type: GitHubOrganization
  url: https://github.com/relativitydev
- type: Integrations
  url: https://www.relativity.com/partners/
- url: https://feeds.feedburner.com/relativity/blog
  type: Blog
integrations:
- name: Trusted Partners
- name: Microsoft
- name: Become a Partner
- name: JND eDiscovery
- name: PwC
- name: Ankura
- name: Array
- name: BDO
- name: Cimplifi
- name: Complete Discovery Source (CDS)
- name: Control Risks
- name: Deloitte Consulting
- name: Epiq
- name: FTI Consulting
- name: KPMG
- name: Kroll
- name: Law In Order
- name: Lineal
- name: PageOne Legal
- name: PLUSnxt
- name: Alvarez and Marsal
- name: Avalon
- name: Berkeley Research Group (BRG)
- name: Elevate
- name: Forcyd
- name: FRP Advisory
- name: icourts
- name: Interpath
- name: KordaMentha
- name: Purpose Legal
- name: TCDI
- name: The MCS Group
- name: TrustPoint.One
- name: Accuracy
- name: AlixPartners
- name: ArcherHall
- name: Arendt
- name: BlueVoyant
- name: CACI
- name: Capsicum Group, LLC
- name: Charles River Associates
- name: Conduent
- name: Consilio
- name: Contact Discovery Services
- name: CYFOR Legal
- name: Dauntless Discovery
- name: eDiscovery Collab
- name: elaw
- name: Empire Discovery
- name: Everest Discovery
- name: Evolver Legal Services
- name: EY
- name: Forensic Risk Alliance
- name: FRONTEO
- name: Grant Thornton UK LLP
- name: Harrisons eDiscovery Consulting
- name: HaystackID
- name: Heuristica
- name: Holo Discovery
- name: iDiscovery Solutions - iDS
- name: Innovative Driven
- name: IntaForensics Ltd
- name: Intellectual Data
- name: IntrepidX
- name: IST Management
- name: JS Held
- name: KLDiscovery
- name: Morae Global Corporation
- name: N1 Discovery
- name: Oasis Discovery Partners
- name: Parcels
- name: ProSearch
- name: Proteus Discovery Group
- name: Proxiio
- name: Questa Sp. z o.o.
- name: Repario Data
- name: RSM
- name: S&W Partners
- name: S2|Data
- name: Sandline Discovery
- name: Sift Discovery
- name: Sky Discovery
- name: Streamline Imaging
- name: Swiss FTS
- name: Teneo
- name: TransPerfect
- name: UnitedLex
- name: vdiscovery
- name: Veristar
- name: Integreon
- name: WinWire
- name: Cellebrite
- name: Fileread
- name: NSerio
- name: GeorgeJon
- name: Robert Half Legal
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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