# greencalculus-com

**Canonical:** https://apis.io/providers/greencalculus-com/  
**Website:** https://greencalculus.com/  
**APIs profiled:** 1

GreenCalculus provides an Emission-Factor API with an audit trail, offering sourced greenhouse‑gas emission factors and carbon calculation tools. The service aggregates data from DEFRA, EPA, IPCC, Ember and other publishers, delivering versioned releases, citation metadata, and free API keys for developers. It supports factor lookup, bulk data feeds, discovery endpoints, and calculation engines, all documented with OpenAPI and accessible via https://api.greencalculus.com.

## Kin Score — 57.5 / 100 (strong)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 57.0 |
| Contract Governance | 79.1 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 64.3 |
| Access Clarity | 50.5 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 24.5 (matched via fallback).

## Agent readiness — 47.2 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | unknown |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | no |
| Operation Distinctiveness | distinct |

## APIs (6)

- **GreenCalculus API** — Emission-Factor API with audit trail, providing sourced greenhouse‑gas emission factors and carbon calculation tools.
- **greencalculus-com Account API** — Watchlists and the reporting-period diff — the alerting half of the API
- **greencalculus-com Bulk API** — Consolidated corpus feed
- **greencalculus-com Calculate API** — Audit-traced calculation engines
- **greencalculus-com Discovery API** — The spec, the change feed, coverage, absence and the sourcing roadmap
- **greencalculus-com Factors API** — Emission-factor lookup and browse

## Agentic access (1)

- **Greencalculus Com Agentic Access** — 29 operations · 13 acting · 1 human-in-the-loop

## Security (2)

- **Greencalculus Com Authentication** — 1 scheme
- **Greencalculus Com Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Greencalculus Com Plans Pricing**

## Tags

Company, Emissions, API, Data, Sustainability

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/greencalculus-com/). Scores are computed from the provider's own public artifacts under a published rubric.