Landis+Gyr Group AG is a 130-year-old energy technology company that builds the smart electricity, gas and water meters, the RF-mesh and cellular networks, and the head-end, meter-data-management and grid-analytics software that utilities run advanced metering infrastructure on. It is incorporated in Cham, Switzerland and listed on the SIX Swiss Exchange, but after divesting its EMEA business to AURELIUS in March 2026 its centre of gravity — and its Americas headquarters and much of its executive team — sits in Alpharetta, Georgia, making the United States its home market. Landis+Gyr sits one layer UPSTREAM of the consumer: it sells to the roughly 2,000 utilities that are themselves the regulated data holders, so no data-sharing mandate — not US Green Button, not Ontario's Green Button regulation, not Australia's Consumer Data Right for energy — attaches to Landis+Gyr itself. Its API posture reflects that. Landis+Gyr publishes NO open market or grid data and NO consumer usage API; the meter interval data its Gridstream Connect and MDMS products produce reaches households only after a utility customer re-publishes it, typically through a third-party Green Button–certified portal that Landis+Gyr does not operate. There is a real developer portal at developers.landisgyr.com — the Gridstream Connect Apps / Revelo edge-app program, with App Studio, documents, learning paths, a Stack Overflow Teams developer forum and a Revelo developer-kit request flow — but every content route renders empty without authentication, the registration path carries an admin invitation and approval workflow, and the corporate site never links to it: the public call to action on the Apps Ecosystem page is "Email Our Team", pointing at a sales inquiry form. No OpenAPI, Swagger, Postman collection, SDK download or endpoint reference is published anywhere in public. The only interoperability standard Landis+Gyr states publicly is Wi-SUN FAN certification (15 certified products) over standards-based IPv6 mesh — a network standard, not a customer-data standard.
Landis+Gyr is profiled on the APIs.io network. Tagged areas include Energy, United States, Utilities, Electricity, and Gas.
Landis+Gyr’s developer surface includes signup flow, developer portal, documentation, training material, support, engineering blog, YouTube channel, and 27 more developer resources.
Regulatory Posture applies to this provider. Its tags matched the
Energy & Utilities regime, so
Regulatory Posture carries 15 points of the composite.
If this regime is wrong for your business, say so on your
provider repo — the
applicability map is public and we will correct it.
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for
this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero:
never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and
several others — scorable at all.
The six quality facets above are damped to 85 points between them,
because the conditional facet above carries the other
15. That is why each facet's contribution is shown against a damped
maximum: raising a quality facet moves the composite by 85% of its nominal
weight, not 100%. The full arithmetic is at apis.io/rating/.
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/landis-gyr: open an issue to ask a question, or submit a pull request to add artifacts.
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aid: landis-gyr
url: https://raw.githubusercontent.com/api-evangelist/landis-gyr/refs/heads/main/apis.yml
name: Landis+Gyr
kind: company
description: 'Landis+Gyr Group AG is a 130-year-old energy technology company that builds the smart electricity, gas and water
meters, the RF-mesh and cellular networks, and the head-end, meter-data-management and grid-analytics software that utilities
run advanced metering infrastructure on. It is incorporated in Cham, Switzerland and listed on the SIX Swiss Exchange, but
after divesting its EMEA business to AURELIUS in March 2026 its centre of gravity — and its Americas headquarters and much
of its executive team — sits in Alpharetta, Georgia, making the United States its home market. Landis+Gyr sits one layer
UPSTREAM of the consumer: it sells to the roughly 2,000 utilities that are themselves the regulated data holders, so no
data-sharing mandate — not US Green Button, not Ontario''s Green Button regulation, not Australia''s Consumer Data Right
for energy — attaches to Landis+Gyr itself. Its API posture reflects that. Landis+Gyr publishes NO open market or grid data
and NO consumer usage API; the meter interval data its Gridstream Connect and MDMS products produce reaches households only
after a utility customer re-publishes it, typically through a third-party Green Button–certified portal that Landis+Gyr
does not operate. There is a real developer portal at developers.landisgyr.com — the Gridstream Connect Apps / Revelo edge-app
program, with App Studio, documents, learning paths, a Stack Overflow Teams developer forum and a Revelo developer-kit request
flow — but every content route renders empty without authentication, the registration path carries an admin invitation and
approval workflow, and the corporate site never links to it: the public call to action on the Apps Ecosystem page is "Email
Our Team", pointing at a sales inquiry form. No OpenAPI, Swagger, Postman collection, SDK download or endpoint reference
is published anywhere in public. The only interoperability standard Landis+Gyr states publicly is Wi-SUN FAN certification
(15 certified products) over standards-based IPv6 mesh — a network standard, not a customer-data standard.'
deliveryModel:
model: saas
open_source: false
commercial: true
callable_host: false
label: Hosted service · you call their endpoint
confidence: medium
source:
- pricing
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: open
trial: false
try_now: false
public: true
label: Open access
confidence: low
source:
- authentication
- security
generated: '2026-09-02'
method: derived
image: https://www.landisgyr.com/content/dam/landisgyr/favicons/LandisGyr_favicon_android-chrome-192x192.png
tags:
- Energy
- United States
- Utilities
- Electricity
- Gas
- Water
- Smart Metering
- AMI
- Grid
- Grid Edge
- Demand Response
- Internet of Things
- Meter Data Management
- Wi-SUN
- Energy Technology
tags_raw:
- Energy
- United States
- Utilities
- Electricity
- Gas
- Water
- Smart Metering
- AMI
- Grid
- Grid Edge
- Demand Response
- Internet Of Things
- Meter Data Management
- Wi-SUN
- Energy Technology
created: '2026-07-27'
modified: '2026-07-27'
specificationVersion: '0.23'
apis: []
common:
- type: Website
url: https://www.landisgyr.com/us/en/home
- type: About
url: https://www.landisgyr.com/us/en/home/about-landis-gyr/who-we-are.html
- type: DeveloperPortal
url: https://developers.landisgyr.com/
name: Landis+Gyr Developers (gated — registration + approval, no public content)
- type: SignUp
url: https://developers.landisgyr.com/register
- type: Login
url: https://developers.landisgyr.com/login
- type: Forum
url: https://stackoverflowteams.com/c/lg-developers
name: L+G Developer Forum (Stack Overflow for Teams, private team)
- type: Portal
url: https://toolsportal.landisgyr.com/
name: Landis+Gyr Tools Portal (customer login)
- type: Products
url: https://www.landisgyr.com/us/en/home/software
- type: Devices
url: https://www.landisgyr.com/us/en/home/devices
- type: Solutions
url: https://www.landisgyr.com/us/en/home/solutions/next-gen-ami
- type: Documentation
url: https://www.landisgyr.com/us/en/home/software/gridstream-connect-apps-ecosystem
name: Gridstream Connect Apps Ecosystem (App Studio, App Marketplace, App Manager, App Lab)
- type: Standards
url: https://www.landisgyr.com/us/en/home/solutions/flexible-communications/wi-sun-interoperability
name: Wi-SUN FAN interoperability
- type: Partners
url: https://www.landisgyr.com/us/en/home/about-landis-gyr/our-partners
- type: Training
url: https://www.landisgyr.com/us/en/home/solutions/lifecycle-services-and-support/training.html
- type: Support
url: https://www.landisgyr.com/us/en/home/contact/support-inquiry-form.html
- type: Contact
url: https://www.landisgyr.com/us/en/home/contact/sales-inquiry.html
- type: Blog
url: https://blog.landisgyr.com/en/us
- type: BlogRSS
url: https://blog.landisgyr.com/en/us/rss.xml
- type: Newsroom
url: https://www.landisgyr.com/us/en/home/news-media/newsroom.html
- type: Investors
url: https://investors.landisgyr.com/
- type: Careers
url: https://careers.landisgyr.com/
- type: TermsOfService
url: https://www.landisgyr.com/us/en/home/legal/terms-of-use.html
- type: PrivacyPolicy
url: https://www.landisgyr.com/us/en/home/legal/privacy-policy.html
- type: Security
url: https://www.landisgyr.com/us/en/home/misc/report-security-issue
name: Report a Security Issue — Landis+Gyr productCERT (coordinated vulnerability disclosure, PGP key published)
- type: VulnerabilityDisclosure
url: security/landis-gyr-vulnerability-disclosure.yml
name: productCERT disclosure programme (productCERT@landisgyr.com, PGP, policy summary PDF)
- type: DomainSecurity
url: security/landis-gyr-domain-security.yml
name: TLS / HSTS / DNSSEC / CAA / SPF / DMARC probe of every resolving landisgyr.com host
- type: Compliance
url: https://www.landisgyr.com/us/en/home/knowledge.html?types=Certificates&date=date.desc
name: Certificate register — ISO/IEC 27001, ISO 9001, ISO 14001, ISO 45001, ISO 22301 (downloadable certificates)
- type: Conformance
url: conformance/landis-gyr-conformance.yml
name: Standards conformance — Wi-SUN FAN 1.0/1.1, IPv6 mesh, ISO management systems, MultiSpeak/CMEP head-end integration
- type: Lifecycle
url: lifecycle/landis-gyr-lifecycle.yml
name: Portfolio lifecycle and verified absence of API versioning, deprecation, changelog, SLA and status page
- type: Packages
url: packages/landis-gyr-packages.yml
name: Package-registry sweep — eight registries, zero first-party client libraries
- type: LLMsTxt
url: llms/landis-gyr-llms.txt
- type: LinkedIn
url: https://www.linkedin.com/company/landis/
- type: X
url: https://www.twitter.com/landisgyr
- type: YouTube
url: https://www.youtube.com/user/landisgyrofficial
- type: Facebook
url: https://www.facebook.com/LandisGyr/
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
url: https://apievangelist.com
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