
IBM is previewing a new way for companies to calculate greenhouse gas emissions without leaving the systems they already use. The Envizi Emissions API, an addition to IBM’s Envizi ESG Suite, lets enterprises and software vendors embed protocol-aligned carbon calculations directly into spreadsheets, internal apps, and commercial platforms.
The aim is straightforward: replace fragile manual workflows and scattered factor tables with a managed, standards-aligned engine. IBM says the service is backed by a library of more than 140,000 globally recognized emissions datasets, curated to stay current and transparent. Users can choose factors from regional and international sources, supporting Scope 1, 2 and 3 calculations across markets and reporting regimes.
Two Teams in Focus
In rolling out the preview, IBM framed the API as a bridge for two audiences that frequently hit roadblocks. Sustainability teams, the company notes, often rely on Excel files stitched together with inconsistent factors, leading to error-prone reporting cycles. Meanwhile, software providers face the cost and complexity of building emissions logic from scratch—sourcing global data, maintaining updates, and delivering scalable APIs can take months or years. The Envizi API, positioned as a lightweight engine, seeks to cut that timeline to days.
“Envizi Emissions API empowers organizations to make sustainability part of everyday decision-making,” said Kendra DeKeyrel, IBM’s VP of Asset Lifecycle Management Product and Engineering. The phrasing underscores IBM’s thesis: carbon accounting should be as accessible as pulling a metric in a workbook or calling a service in a line-of-business app.
The preview arrives as Envizi, acquired by IBM in 2022, has expanded from ESG reporting into supply-chain analysis and CSRD support. The broader platform integrates data from utility bills, IoT devices, and travel records to provide analytics and dashboards. It also automates data collection to reduce the administrative drag of ESG disclosure.
Speed to Value
For day-one adopters, the API emphasizes speed to value. IBM is offering modular endpoints, a getting-started guide, and pre-built Excel templates to help teams move from factor selection to auditable outputs without re-platforming. The company also highlights Excel-based workflows that can produce instant location- and market-based Scope 2, plus configurable Scope 3, while keeping the factor sources visible for assurance.
Beyond the API mechanics, IBM points to a growing set of requirements the stack is built to meet. Decarbonization programs depend on granular, comparable data, and auditors want traceable factor provenance. That breadth is intended to reduce the spreadsheet detours that introduce risk. And with an API supplying up-to-date factors and calculation logic, applications can ship without each provider curating its own database.
The preview status matters. Customers will watch for performance at scale, coverage of regional methodologies, and how frequently the factor library updates. Still, the direction is clear. Emissions math is shifting from a year-end project to a background service that lives where work happens: inside spreadsheets, procurement tools, planning systems, and SaaS platforms.
If IBM executes on the promise—transparent factors, auditable outputs, and a developer-friendly surface—the Envizi Emissions API could make carbon accounting feel less like a quarterly fire drill and more like a standard data call. For companies balancing regulatory reporting with real decarbonization, that’s a compelling value proposition.