GM OnStar

GM OnStar is General Motors' connected vehicle services platform, originally launched in 1996 as an in-vehicle safety, security, and concierge service and since extended into a commercial data platform under OnStar Business Solutions. The OnStar Business Solutions API and Data Services product delivers near-real-time embedded telematics straight from properly equipped 2015-model-year-or-newer GM vehicles — Chevrolet, Buick, GMC, and Cadillac — without aftermarket hardware, exposing vehicle location, speed, ignition status, odometer, fuel level, EV state-of-charge and charging status, tire pressure, seatbelt status, diagnostic trouble codes, and driver-behavior events such as hard brake and hard acceleration. The product is packaged into tiered plans (commonly referenced as API Starter and API Pro) and is distributed primarily through OnStar's enterprise channel under the GM Envolve commercial brand, plus integrations with fleet management providers including Samsara, Geotab, Wheels, Verizon Connect, and other approved telematic service providers. There is no public self-serve developer portal or published OpenAPI specification — access is gated through GM/OnStar sales (developer.gm.com is a request-access endpoint) or via an authorized integration partner. Consumer-facing OnStar mobile features (remote start, remote lock, vehicle locate, in-vehicle Wi-Fi, Super Cruise telemetry) are delivered through GM's myChevrolet, myBuick, myGMC, and myCadillac apps and are not part of the published API surface.

GM OnStar is profiled on the APIs.io network. Tagged areas include Automotive, Connected Vehicle, Telematics, Fleet Management, and Vehicle Data.

GM OnStar’s developer surface includes GitHub presence, YouTube channel, and 15 more developer resources.

🌐 Visit website 📡 Source on GitHub

7.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

AutomotiveConnected VehicleTelematicsFleet ManagementVehicle DataVehicle LocationVehicle DiagnosticsDriver BehaviorElectric VehicleEV ChargingOnStarGeneral MotorsEmbedded ConnectivityOEM Telematics

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 7.4/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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/gm-onstar: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Build 3

SDKs, sample code, and the tooling you integrate with

SamsaraIntegration

SamsaraIntegration

SmartcarIntegration

SmartcarIntegration

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Learn 1

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Company 4

The organization behind the API

Website

Website

Newsroom

Newsroom

Twitter

Twitter

LinkedIn

Other 8

Properties that don't map to a standard resource type

BusinessSolutions

APIDataServices

GMEnvolve

GMFleet

Developer

GeneralMotors

PublicSafety

Canada

Scroll for all 8

Source (apis.yml)

aid: gm-onstar
name: GM OnStar
description: GM OnStar is General Motors' connected vehicle services platform, originally launched in 1996 as an in-vehicle
  safety, security, and concierge service and since extended into a commercial data platform under OnStar Business Solutions.
  The OnStar Business Solutions API and Data Services product delivers near-real-time embedded telematics straight from properly
  equipped 2015-model-year-or-newer GM vehicles — Chevrolet, Buick, GMC, and Cadillac — without aftermarket hardware, exposing
  vehicle location, speed, ignition status, odometer, fuel level, EV state-of-charge and charging status, tire pressure, seatbelt
  status, diagnostic trouble codes, and driver-behavior events such as hard brake and hard acceleration. The product is packaged
  into tiered plans (commonly referenced as API Starter and API Pro) and is distributed primarily through OnStar's enterprise
  channel under the GM Envolve commercial brand, plus integrations with fleet management providers including Samsara, Geotab,
  Wheels, Verizon Connect, and other approved telematic service providers. There is no public self-serve developer portal
  or published OpenAPI specification — access is gated through GM/OnStar sales (developer.gm.com is a request-access endpoint)
  or via an authorized integration partner. Consumer-facing OnStar mobile features (remote start, remote lock, vehicle locate,
  in-vehicle Wi-Fi, Super Cruise telemetry) are delivered through GM's myChevrolet, myBuick, myGMC, and myCadillac apps and
  are not part of the published API surface.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/gm-onstar.png
tags:
- Automotive
- Connected Vehicle
- Telematics
- Fleet Management
- Vehicle Data
- Vehicle Location
- Vehicle Diagnostics
- Driver Behavior
- Electric Vehicle
- EV Charging
- OnStar
- General Motors
- Embedded Connectivity
- OEM Telematics
url: https://raw.githubusercontent.com/api-evangelist/gm-onstar/refs/heads/main/apis.yml
created: '2026-05-25'
modified: '2026-05-25'
specificationVersion: '0.20'
apis: []
common:
- type: DomainSecurity
  url: security/gm-onstar-domain-security.yml
- type: Website
  url: https://www.onstar.com
- type: BusinessSolutions
  url: https://www.onstar.com/business-solutions
- type: APIDataServices
  url: https://www.onstar.com/business-solutions/api-data-services
- type: GMEnvolve
  url: https://www.gmenvolve.com/software/onstar/api-services
- type: GMFleet
  url: https://www.gmfleet.com/software/onstar/api-services
- type: Developer
  url: https://developer.gm.com
- type: GeneralMotors
  url: https://www.gm.com
- type: PublicSafety
  url: https://www.public-safety.onstar.com
- type: Canada
  url: https://www.onstar.ca/en/business-solutions/api-data-services
- type: SamsaraIntegration
  url: https://kb.samsara.com/hc/en-us/articles/9792810797709-Integrate-with-General-Motors-OnStar-Business-Solutions
- type: SmartcarIntegration
  url: https://smartcar.com/brand/gm
- type: GitHub
  url: https://github.com/generalmotors
- type: Newsroom
  url: https://news.gm.com
- type: Twitter
  url: https://twitter.com/OnStar
- type: LinkedIn
  url: https://www.linkedin.com/company/onstar
- type: YouTube
  url: https://www.youtube.com/@OnStar
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com