# Twelve

**Canonical:** https://apis.io/providers/twelve/  
**Website:** https://www.twelve.co/  
**APIs profiled:** 0

Twelve is a carbon transformation company that converts CO2, water, and renewable electricity into fuels and chemicals that serve as drop-in replacements for petroleum-based products. Its proprietary eManufacturing technology powers AirPlant One in Moses Lake, Washington, which produces E-Jet sustainable aviation fuel and E-Naphtha, while its eMade program partners with consumer brands on CO2-made materials. Investors include TPG, DCVC, Microsoft, Carbon Direct, Breakout Ventures, and the Chan Zuckerberg Initiative. Twelve publishes no public developer API, but its Wix-hosted site exposes an llms.txt and a live site MCP endpoint for agentic access.

## Kin Score — 11.3 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 11.3).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Energy & Utilities**: 18.9 (matched via tags).

## Agent readiness — 10.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | verified |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| 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 |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## MCP servers (1)

- **Site Visitor Assistant for site "Twelve | A World Made from Air"**

## Security (1)

- **Twelve Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Carbon Transformation, Climate Tech, Sustainable Aviation Fuel, Chemicals, Clean Energy, Manufacturing

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