Empowering transformation through APIs
Welcome to Siemens Xcelerator API World—the point where the Siemens Xcelerator ecosystem and the Siemens Xcelerator Developer Portal converge. Designed for developers, product owners, and business partners, the platform offers a rich landscape of API products and developer resources. It creates a dynamic environment for exploration, enabling innovation and driving meaningful business value.Explore Your Options
Access the API Product offerings at Siemens Xcelerator Marketplace
Build your applications with our standardized APIs for effortless integration across the Siemens Portfolio and feature them on the Siemens Xcelerator Marketplace.
Explore API Documentation at Siemens Xcelerator Developer Portal
Use the Siemens Xcelerator Developer Portal to fully leverage our APIs through detailed OpenAPI Specification (OAS) documentation, clear integration guides, code samples, and interactive examples—ensuring a smooth and efficient development experience.
API Documentation on Developer Portal
API Product Mindset
Embrace the API Product Mindset by effectively packaging resources and creating purposeful bundles. APIs derive their value from this packaging nature—encapsulating digital building blocks that can be universally reused by anyone who needs their capabilities. This approach serves a wide range of users, from developers to businesses and innovators. Our API products are intentionally designed to simplify integration and deliver flexible solutions for data access, functionality, and seamless connectivity.
Featured API use cases : Navigating through
innovation and exploring potential

Building X APIs Portfolio
Building X delivers field connectivity and platform services for seamless data ingestion and device control. It provides and operates the Openness APIs portfolio as a service, enabling partners to leverage these APIs to build added value on top of the Building X platform.Learn more about Building X..
Find Building X APIs

Sustainable industries Innovation
Explore our APIs that support an innovative and pragmatic approach to sustainability. Integrate environmentally conscious features effortlessly into your solutions, and use data-driven insights to create meaningful impact while keeping practicality at the forefront.Learn more about Sustainable Industries
Find Sustainability APIs

SiGREEN Emission Management Tool
SiGREEN provides a robust foundation for targeted emission management while safeguarding the data sovereignty of every participant in the supply chain. The SiGREEN software empowers organizations to track, manage, and reduce emissions across the entire value chain—dynamic, data-driven, and scalable.Learn more about SiGREEN
Find SiGREEN APIs
Building Broker – A Siemens Xcelerator Low Code Demo Application
Are you an application builder? Here’s an example of what you can achieve using Siemens Xcelerator APIs together with Siemens’ low-code development platform, Mendix. This demo application retrieves building status information through Building X APIs and calculates an eco-score for replacement parts before a work order is created. While the demo is fictional, it demonstrates the powerful possibilities of leveraging Siemens API Products.
SiGREEN API on Developer Portal
Revolutionizing Fire Safety:
Digitaallogboek.com’s Innovative Use of
Building X Fire API
Digitaallogboek.com, the first to offer an ‘application as a service’ via Siemens Xcelerator in the Netherlands, leverages the Building X platform for smart buildings. Their digital logbook, now operational in over 14,000 buildings, automatically records fire and fault notifications from fire alarm systems enhancing efficiency, accountability, and ensuring all installation data is securely stored in the cloud. Developed using the Fire API, part of the Building X API portfolio, the logbook integrates seamlessly with Siemens’ Fire Safety offerings, providing near real-time, detailed updates from all connected fire panels. Available on Xcelerator, Digitaallogboek.com’s logbook is the first Fire Safety app worldwide offered by a partner through the platform, showcasing strong synergy opportunities and potential for future growth.
Discover What’s Next: Upcoming Events!

Developer Portal
Unlock the full potential of our APIs with detailed OpenAPI Specification (OAS) documentation. Integrate seamlessly into your projects using clear guides, practical code snippets, and interactive examples. Explore our developer portal for in-depth insights, ensuring a smooth and efficient development experience.Siemens Xcelerator Developer Portal

Community
Engage, share, and collaborate with your peers. Kickstart your digital transformation by exploring industry trends and discussing key challenges.Siemens Xcelerator Community

Ecosystem
By leveraging the Siemens Xcelerator partner ecosystem, you can reach new clients and markets while driving innovation together.Siemens Xcelerator Ecosystem
Discover Mendix, a low-code development
platform.
Build, deploy, and manage apps effortlessly, all without the hassle of extensive hand-coding. Join the Mendix revolution now!
