Trusted emissions calculation logic for developers and ISVs
Complex carbon calculations made simple
The Envizi emissions API enables both developers and independent software vendors (ISVs) to embed emissions calculation capabilities directly in their own applications. The API uses Envizi's extensive emissions factor library and standardized accounting methodologies, allowing teams to build custom solutions without developing and maintaining emissions logic and factor records themselves.
By leveraging Envizi's expertise, development teams can accelerate time to market while ensuring calculations are aligned with globally recognized protocols.
Developer-Friendly Integration
Embed emissions calculations directly into your software using REST APIs. Send activity data from your application and receive accurate, real-time CO₂e results , integrating actionable carbon insights into your existing workflows, dashboards, and user experiences without disrupting how your systems operate.
Scalable, Enterprise Ready
Support emissions calculations across multiple customers, regions, and high-volume use cases with confidence.
Module features
- Application‑Agnostic Solution
- GHG Protocol-Aligned Calculations
- Emission Factor Catalog
- Detailed Guidance
Application‑Agnostic Solution
The Emissions API is built for easy integration, allowing organizations across industries to power a broad spectrum of emissions and sustainability use cases.
GHG Protocol Aligned Calculations
Standardized emissions calculations across all Scopes 1, 2, and 3, delivering transparent, consistent, and compliant calculations.
Emission Factor Catalog
Access a managed, globally recognized library of global, regional and industry-specific emission factor datasets, ensuring calculations use up-to-date, transparent factors without the complexity of building, maintaining, or updating an in-house emission factor library.
Detailed Guidance
Access comprehensive API collections along with an SDK for Python
Designed for developers and ISVs wanting to get started quickly with simple emissions calculations and minimal setup. Covers basic Scope 1-3 calculations using open-source emision factors via API across use cases like transportation, stationary energy, fugitive emissions, mobile sources, business travel, employee commuting, waste management, and others.
- API endpoint access
- 5000 API calls/month
- Open-source emission factors
- AI-assisted activity type recommender
Designed for ISVs and development teams embedding emissions calculations into operational workflows at scale. Enables automated, high-volume Scope 1–3 calculations using open datasets. Supports integration into existing systems and architectures through flexible APIs. Best suited for use cases such as transportation, stationary energy, fugitive emissions, mobile sources, business travel, employee commute, waste management, and others.
All Essentials features, plus:
- No API call limits
- Can integrate with Envizi and other IBM products
Designed for ISVs and developers within organizations managing data-intensive use cases such as financed emissions (PCAF), vendor benchmarking, and asset-level analysis. Enables industry-specific emissions calculations powered by premium factors and licensed datasets, including location- and market-based Scope 2 calculations (grid mix), spend-based emissions, building-level emissions, and other high-precision scenarios.
All Standard features, plus:
- Licensed emission factors
- Financed emissions Add-on
API access
Open source emission factors
API calls
Max. 5000, starting at 1000 per month
No Limit
No limit
API calls capping
Monthly
Yearly
Yearly
AI-assisted activity type recommender
Product support
Integration with other IBM products
Licensed emission factors
Financed emissions Add-on
*Prices shown are indicative, may vary by country, exclude any applicable taxes and duties, and are subject to product offering availability in a locale.
Launch emissions features quickly without the pressure of sourcing emission factors or the burden of building complex calculation logic in-house.
Stateless, no-data-stored API architecture means lower burden on software platform infrastructure, with fewer concerns around data protection and hosting.
Emission factors and methodologies are managed centrally, ensuring users automatically benefit from the latest updates with no manual effort required.
Clear documentation, sample code, and sandbox access for fast integration.
Designed for flexibility—use the API to build, extend, or embed emissions logic wherever it’s needed.
Frequently Asked Questions
No. Envizi Emissions API is designed for developers, software product teams and ISVs to embed emissions calculations in existing software solutions. Enterprises requiring governed workflows, controls, and audit-ready reporting should use Envizi’s Emissions Accounting solutions.
Envizi Emissions Calculations in Excel is built for business users who want to calculate emissions directly in Excel—no coding required. Envizi Emissions API is built for developers and ISVs creating their own emissions solutions.
Envizi Emissions API uses Envizi-governed emissions factors for Scope 1, 2 and 3.