Bentley Systems
Bentley Systems (NASDAQ: BSY) is an infrastructure engineering software company providing comprehensive applications and cloud services for the design, construction, and operations of infrastructure across roads, bridges, rail, water, energy, and the built environment. Bentley exposes its developer platform through iTwin — a digital twin platform with 30+ REST APIs covering iModel data management, reality capture, project scheduling, reporting, visualization, clash detection, and webhooks. The company reports $1.3 billion in annual revenue, ~5,500 colleagues across 42 countries, and serves 42,000 accounts in 189 countries.
Bentley Systems publishes 86 APIs on the APIs.io network, including Access API, Animations API, Attachments API, and 83 more. Tagged areas include Infrastructure Engineering, Digital Twin, BIM, CAD, and Reality Capture.
The Bentley Systems catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
Bentley Systems’ developer surface includes authentication, developer portal, documentation, API reference, getting-started guide, signup flow, pricing, and 50 more developer resources.
Kin Score
APIs 87
Individual APIs this provider publishes, each with its own machine-readable definition.
iTwin Visualization API
Server-side visualization service for rendering iTwins in web browsers without client compute. Supports interactive viewers and image generation.
Bentley Systems Access API
Access resources for the iTwin Reality Management API.
Bentley Systems Animations API
Animations resources for the iTwin Schedules API.
Bentley Systems Attachments API
Attachments resources for the iTwin Forms API.
Bentley Systems Audit Trail API
Audit Trail resources for the iTwin Issues API.
Bentley Systems Authorization API
Authorization resources for the iTwin Synchronization API.
Bentley Systems Baselines API
Manage iModel baseline files.
Bentley Systems Briefcases API
Acquire and release briefcases for iModel authoring sessions.
Bentley Systems Calendars API
Calendars resources for the iTwin Schedules API.
Bentley Systems Catalog API
Catalog resources for the iTwin Library API.
Bentley Systems Categories API
Categories resources for the iTwin Library API.
Bentley Systems Cesium API
Cesium resources for the iTwin Cesium Curated Content API.
Bentley Systems Change Tracking API
Change Tracking resources for the iTwin Changed Elements API.
Bentley Systems Changesets API
Manage changesets that record modifications to an iModel.
Bentley Systems Comments API
Comments resources for the iTwin Issues API.
Bentley Systems Comparisons API
Comparisons resources for the iTwin Changed Elements API.
Bentley Systems Components API
Components resources for the iTwin Library API.
Bentley Systems Configurations API
Configurations resources for the iTwin Carbon Calculation API.
Bentley Systems Connections API
Connections resources for the iTwin Synchronization API.
Bentley Systems Connectors API
Connectors resources for the iTwin Synchronization API.
Bentley Systems Content API
Content resources for the iTwin Storage API.
Bentley Systems Detectors API
Detectors resources for the iTwin Reality Analysis API.
Bentley Systems Devices API
Devices resources for the iTwin Sensor Data API.
Bentley Systems Events API
Events resources for the iTwin Webhooks API.
Bentley Systems Export API
Export resources for the iTwin Export API.
Bentley Systems Exports API
Exports resources for the iTwins API.
Bentley Systems Extensions API
Extensions resources for the iTwin Scenes API.
Bentley Systems Extractions API
Extractions resources for the iTwin Grouping and Mapping API.
Bentley Systems Features API
Features resources for the iTwin Geospatial Features API.
Bentley Systems Files API
Files resources for the iTwin Storage API.
Bentley Systems Folders API
Folders resources for the iTwin Storage API.
Bentley Systems Forms API
Forms resources for the iTwin Issues API.
Bentley Systems Groups API
Groups resources for the iTwin Access Control API.
Bentley Systems Images API
Images resources for the iTwin Saved Views API.
Bentley Systems iModels API
Create, query, clone, fork, and delete iModels.
Bentley Systems Instances API
Instances resources for the iTwin Forms API.
Bentley Systems Invitations API
Invitations resources for the iTwin Access Control API.
Bentley Systems Issues API
Issues resources for the iTwin Issues API.
Bentley Systems iTwins API
iTwins resources for the iTwins API.
Bentley Systems Jobs API
Jobs resources for the iTwin Access Control API.
Bentley Systems Layers API
Layers resources for the iTwin Scenes API.
Bentley Systems Locks API
Acquire and release element-level locks during authoring.
Bentley Systems Mappings API
Mappings resources for the iTwin Grouping and Mapping API.
Bentley Systems Materials API
Materials resources for the iTwin Carbon Calculation API.
Bentley Systems Me API
Me resources for the iTwin Users API.
Bentley Systems Members API
Members resources for the iTwin Access Control API.
Bentley Systems Mesh Export API
Mesh Export resources for the iTwin Mesh Export API.
Bentley Systems Models API
Models resources for the iTwin P&ID to iTwin API.
Bentley Systems Named Groups API
Named Groups resources for the iTwin Named Groups API.
Bentley Systems Named Versions API
Create and query named versions that pin a point in an iModel's history.
Bentley Systems Observations API
Observations resources for the iTwin Sensor Data API.
Bentley Systems ODATA API
ODATA resources for the iTwin Insights API.
Bentley Systems Parameters API
Parameters resources for the iTwin Library API.
Bentley Systems Permissions API
Permissions resources for the iTwin Access Control API.
Bentley Systems Policies API
Policies resources for the Enterprise Data Federation Service (EDFS) API.
Bentley Systems Properties API
Properties resources for the iTwin Grouping and Mapping API.
Bentley Systems Queries API
Queries resources for the Enterprise Data Federation Service (EDFS) API.
Bentley Systems Reality Data API
Reality Data resources for the iTwin Reality Management API.
Bentley Systems Recents API
Recents resources for the iTwins API.
Bentley Systems Reports API
Reports resources for the iTwin Carbon Calculation API.
Bentley Systems Repositories API
Repositories resources for the iTwins API.
Bentley Systems Resources API
Resources resources for the iTwin Schedules API.
Bentley Systems Roles API
Roles resources for the iTwin Access Control API.
Bentley Systems Runs API
Runs resources for the iTwin Clash Detection API.
Bentley Systems Saved Views API
Saved Views resources for the iTwin Saved Views API.
Bentley Systems Scenes API
Scenes resources for the iTwin Scenes API.
Bentley Systems Schedules API
Schedules resources for the iTwin Schedules API.
Bentley Systems Schemas API
Schemas resources for the Enterprise Data Federation Service (EDFS) API.
Bentley Systems Sensors API
Sensors resources for the iTwin Sensor Data API.
Bentley Systems Shares API
Shares resources for the iTwin Access Control API.
Bentley Systems Source Files API
Source Files resources for the iTwin Synchronization API.
Bentley Systems Sources API
Sources resources for the Enterprise Data Federation Service (EDFS) API.
Bentley Systems Suppression Rules API
Suppression Rules resources for the iTwin Clash Detection API.
Bentley Systems Symbols API
Symbols resources for the iTwin P&ID to iTwin API.
Bentley Systems Tags API
Tags resources for the iTwin Library API.
Bentley Systems Tasks API
Tasks resources for the iTwin Schedules API.
Bentley Systems Templates API
Templates resources for the iTwin Carbon Calculation API.
Bentley Systems Tests API
Tests resources for the iTwin Clash Detection API.
Bentley Systems Thumbnails API
Retrieve iModel preview thumbnails.
Bentley Systems Transformations API
Transformations resources for the iTwin Transformations API.
Bentley Systems Trash API
Trash resources for the iTwin Storage API.
Bentley Systems Users API
Manage user access and statistics for iModels.
Bentley Systems Versions API
Versions resources for the iTwin Storage API.
Bentley Systems Webhooks API
Webhooks resources for the iTwin Webhooks API.
Bentley Systems Work Breakdown API
Work Breakdown resources for the iTwin Schedules API.
Bentley Systems Workflow API
Workflow resources for the iTwin Issues API.
Bentley Systems Workspaces API
Workspaces resources for the iTwin Reality Modeling API.
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Postman Collections 31
Ready-to-run Postman collections for exercising this provider's APIs.
iTwin Access Control API
POSTMANiTwin Carbon Calculation API
POSTMANiTwin Changed Elements API
POSTMANiTwin Clash Detection API
POSTMANiTwin Export API
POSTMANiTwin Forms API
POSTMANiTwin iModels API
POSTMANiTwin Insights API
POSTMANiTwin Issues API
POSTMANiTwins API
POSTMANiTwin Library API
POSTMANiTwin Mesh Export API
POSTMANiTwin Named Groups API
POSTMANiTwin P&ID to iTwin API
POSTMANiTwin Reality Analysis API
POSTMANiTwin Reality Conversion API
POSTMANiTwin Reality Management API
POSTMANiTwin Reality Modeling API
POSTMANiTwin Saved Views API
POSTMANiTwin Scenes API
POSTMANiTwin Schedules API
POSTMANiTwin Sensor Data API
POSTMANiTwin Storage API
POSTMANiTwin Synchronization API
POSTMANiTwin Transformations API
POSTMANiTwin Users API
POSTMANiTwin Webhooks API
POSTMANScroll for all 31
Open Collections 118
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONiTwin Control Access API
OPEN COLLECTIONiTwin Control Access Animations API
OPEN COLLECTIONiTwin Control Access Attachments API
OPEN COLLECTIONiTwin Control Access Audit Trail API
OPEN COLLECTIONiTwin Control Access Authorization API
OPEN COLLECTIONiTwin Control Access Baselines API
OPEN COLLECTIONiTwin Control Access Briefcases API
OPEN COLLECTIONiTwin Control Access Calendars API
OPEN COLLECTIONiTwin Control Access Catalog API
OPEN COLLECTIONiTwin Control Access Categories API
OPEN COLLECTIONiTwin Control Access Cesium API
OPEN COLLECTIONiTwin Control Access Change Tracking API
OPEN COLLECTIONiTwin Control Access Changesets API
OPEN COLLECTIONiTwin Control Access Comments API
OPEN COLLECTIONiTwin Control Access Comparisons API
OPEN COLLECTIONiTwin Control Access Components API
OPEN COLLECTIONiTwin Control Access Configurations API
OPEN COLLECTIONiTwin Control Access Connections API
OPEN COLLECTIONiTwin Control Access Connectors API
OPEN COLLECTIONiTwin Control Access Content API
OPEN COLLECTIONiTwin Control Access Detectors API
OPEN COLLECTIONiTwin Control Access Devices API
OPEN COLLECTIONiTwin Control Access Events API
OPEN COLLECTIONiTwin Control Access Export API
OPEN COLLECTIONiTwin Control Access Exports API
OPEN COLLECTIONiTwin Control Access Extensions API
OPEN COLLECTIONiTwin Control Access Extractions API
OPEN COLLECTIONiTwin Control Access Features API
OPEN COLLECTIONiTwin Control Access Files API
OPEN COLLECTIONiTwin Control Access Folders API
OPEN COLLECTIONiTwin Control Access Forms API
OPEN COLLECTIONiTwin Control Access Groups API
OPEN COLLECTIONiTwin Control Access Images API
OPEN COLLECTIONiTwin Control Access iModels API
OPEN COLLECTIONiTwin Control Access Instances API
OPEN COLLECTIONiTwin Control Access Invitations API
OPEN COLLECTIONiTwin Control Access Issues API
OPEN COLLECTIONiTwin Control Access iTwins API
OPEN COLLECTIONiTwin Control Access Jobs API
OPEN COLLECTIONiTwin Control Access Layers API
OPEN COLLECTIONiTwin Control Access Locks API
OPEN COLLECTIONiTwin Control Access Mappings API
OPEN COLLECTIONiTwin Control Access Materials API
OPEN COLLECTIONiTwin Control Access Me API
OPEN COLLECTIONiTwin Control Access Members API
OPEN COLLECTIONiTwin Control Access Mesh Export API
OPEN COLLECTIONiTwin Control Access Models API
OPEN COLLECTIONiTwin Control Access Named Groups API
OPEN COLLECTIONiTwin Control Access Named Versions API
OPEN COLLECTIONiTwin Control Access Observations API
OPEN COLLECTIONiTwin Control Access ODATA API
OPEN COLLECTIONiTwin Control Access Parameters API
OPEN COLLECTIONiTwin Control Access Permissions API
OPEN COLLECTIONiTwin Control Access Policies API
OPEN COLLECTIONiTwin Control Access Properties API
OPEN COLLECTIONiTwin Control Access Queries API
OPEN COLLECTIONiTwin Control Access Reality Data API
OPEN COLLECTIONiTwin Control Access Recents API
OPEN COLLECTIONiTwin Control Access Reports API
OPEN COLLECTIONiTwin Control Access Repositories API
OPEN COLLECTIONiTwin Control Access Resources API
OPEN COLLECTIONiTwin Control Access Roles API
OPEN COLLECTIONiTwin Control Access Runs API
OPEN COLLECTIONiTwin Control Access Saved Views API
OPEN COLLECTIONiTwin Control Access Scenes API
OPEN COLLECTIONiTwin Control Access Schedules API
OPEN COLLECTIONiTwin Control Access Schemas API
OPEN COLLECTIONiTwin Control Access Sensors API
OPEN COLLECTIONiTwin Control Access Shares API
OPEN COLLECTIONiTwin Control Access Source Files API
OPEN COLLECTIONiTwin Control Access Sources API
OPEN COLLECTIONiTwin Control Access Suppression Rules API
OPEN COLLECTIONiTwin Control Access Symbols API
OPEN COLLECTIONiTwin Control Access Tags API
OPEN COLLECTIONiTwin Control Access Tasks API
OPEN COLLECTIONiTwin Control Access Templates API
OPEN COLLECTIONiTwin Control Access Tests API
OPEN COLLECTIONiTwin Control Access Thumbnails API
OPEN COLLECTIONiTwin Control Access Transformations API
OPEN COLLECTIONiTwin Control Access Trash API
OPEN COLLECTIONiTwin Control Access Users API
OPEN COLLECTIONiTwin Control Access Versions API
OPEN COLLECTIONiTwin Control Access Webhooks API
OPEN COLLECTIONiTwin Control Access Work Breakdown API
OPEN COLLECTIONiTwin Control Access Workflow API
OPEN COLLECTIONiTwin Control Access Workspaces API
OPEN COLLECTIONiTwin Access Control API
OPEN COLLECTIONiTwin Carbon Calculation API
OPEN COLLECTIONiTwin Cesium Curated Content API
OPEN COLLECTIONiTwin Changed Elements API
OPEN COLLECTIONiTwin Clash Detection API
OPEN COLLECTIONEnterprise Data Federation Service (EDFS) API
OPEN COLLECTIONiTwin Export API
OPEN COLLECTIONiTwin Forms API
OPEN COLLECTIONiTwin Geospatial Features API
OPEN COLLECTIONiTwin Grouping and Mapping API
OPEN COLLECTIONiTwin iModels API
OPEN COLLECTIONiTwin Insights API
OPEN COLLECTIONiTwin Issues API
OPEN COLLECTIONiTwins API
OPEN COLLECTIONiTwin Library API
OPEN COLLECTIONiTwin Mesh Export API
OPEN COLLECTIONiTwin Named Groups API
OPEN COLLECTIONiTwin P&ID to iTwin API
OPEN COLLECTIONiTwin Reality Analysis API
OPEN COLLECTIONiTwin Reality Conversion API
OPEN COLLECTIONiTwin Reality Management API
OPEN COLLECTIONiTwin Reality Modeling API
OPEN COLLECTIONiTwin Saved Views API
OPEN COLLECTIONiTwin Scenes API
OPEN COLLECTIONiTwin Schedules API
OPEN COLLECTIONiTwin Sensor Data API
OPEN COLLECTIONiTwin Storage API
OPEN COLLECTIONiTwin Synchronization API
OPEN COLLECTIONiTwin Transformations API
OPEN COLLECTIONiTwin Users API
OPEN COLLECTIONiTwin Webhooks API
OPEN COLLECTIONScroll for all 118
Arazzo Workflows 8
Multi-step API workflows described with the Arazzo specification.
Bentley Advance an Issue Through Its Workflow
Read an issue, update its status, record an audit-trail entry, and read back its workflow state.
ARAZZOBentley Start an iModel Authoring Session
Acquire a briefcase, take element locks, and push a changeset to author an iModel.
ARAZZOBentley Clone an iModel and Wait for It
Kick off an asynchronous iModel clone and poll the target iTwin until the clone is initialized.
ARAZZOBentley File an Issue With an Attachment and Comment
Create an issue, attach supporting media, and post an initial comment.
ARAZZOBentley Provision an iModel Inside a New iTwin
Create an iTwin project container, provision an iModel inside it, and wait for initialization.
ARAZZOBentley Publish a Form Template and Submit an Instance
Create a form template, submit a filled instance against it, and attach supporting media.
ARAZZOBentley Register Reality Data and Grant Write Access
Create a reality data record, confirm it, and obtain a write-access container URL for upload.
ARAZZOBentley Tag a Named Version From the Latest Changeset
Resolve the most recent changeset on an iModel and pin a named version to it.
ARAZZOScroll for all 8
GraphQL 1
GraphQL schemas published by this provider.
Bentley Systems iTwin Platform — GraphQL Schema
This conceptual GraphQL schema models the Bentley Systems iTwin Platform developer API surface. Bentley exposes its infrastructure engineering data through 30+ REST APIs at `htt...
GRAPHQLPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Bentley Systems Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Bentley Systems Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Bentley Systems Context
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
Bentley Systems API Rules
SPECTRALBentley Systems API Rules
SPECTRALJSON Schema 8
Standalone JSON Schema definitions for this provider's data models.
Changeset
JSON SCHEMAiModel
JSON SCHEMAIssue
JSON SCHEMAiTwin
JSON SCHEMANamedVersion
JSON SCHEMARealityData
JSON SCHEMAScheduleTask
JSON SCHEMAWebhookSubscription
JSON SCHEMAScroll for all 8
JSON Structure 5
JSON Structure definitions describing this provider's data shapes.
Bentley Changeset Structure
JSON STRUCTUREBentley Imodel Structure
JSON STRUCTUREBentley Itwin Structure
JSON STRUCTUREBentley Named Version Structure
JSON STRUCTUREBentley Reality Data Structure
JSON STRUCTUREExamples 13
Example request and response payloads for these APIs.
Bentley Changeset Example
EXAMPLEBentley Clash Test Example
EXAMPLEBentley Imodel Example
EXAMPLEBentley Issue Example
EXAMPLEBentley Itwin Example
EXAMPLEBentley Reality Data Example
EXAMPLEBentley Saved View Example
EXAMPLEScroll for all 13
Security Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 7
Portal, sign-up, and the first successful call
Scroll for all 7
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 2
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 10
Pagination, idempotency, versioning, errors, and events
Scroll for all 10
Build 15
SDKs, sample code, and the tooling you integrate with
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Access & Security 6
Authentication, authorization, and security posture
Learn 2
Tutorials, courses, talks, and written guidance
Operate 5
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type