XFuel

XFuel develops, patents, and deploys technologies that transform diverse waste into low-carbon drop-in transport fuels, using its Chemical Liquid Refining (CLR) and Mechanical Carbon Conversion (MECC) processes to produce marine (ISO 8217 DMA), road (EN590), and in-development sustainable aviation fuels. Headquartered in Dublin, Ireland, with operations in Bunyola, Spain, and backed by Union Square Ventures. XFuel publishes no public API or developer program as of 2026-07-21.

XFuel is profiled on the APIs.io network. Tagged areas include Company, Energy, Biofuels, Sustainability, and Transportation.

XFuel’s developer surface includes engineering blog and 9 more developer resources.

9.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyEnergyBiofuelsSustainabilityTransportationClimateWaste-to-Fuel

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 9.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 2.1 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/xfuel: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Xfuel Domain Security

TLSv1.3

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 1

Pricing, plans, and the legal terms of use

Company 6

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: xfuel
name: XFuel
description: XFuel develops, patents, and deploys technologies that transform diverse waste into low-carbon drop-in transport
  fuels, using its Chemical Liquid Refining (CLR) and Mechanical Carbon Conversion (MECC) processes to produce marine (ISO
  8217 DMA), road (EN590), and in-development sustainable aviation fuels. Headquartered in Dublin, Ireland, with operations
  in Bunyola, Spain, and backed by Union Square Ventures. XFuel publishes no public API or developer program as of 2026-07-21.
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://xfuel.com/wp-content/uploads/2026/01/cropped-xfuel-ico-c-192x192.png
url: https://raw.githubusercontent.com/api-evangelist/xfuel/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- union-square-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Energy
- Biofuels
- Sustainability
- Transportation
- Climate
- Waste-to-Fuel
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/xfuel-domain-security.yml
- type: Website
  url: https://xfuel.com
- type: LLMsTxt
  url: llms/xfuel-llms.txt
- type: Blog
  url: https://xfuel.com/news/
- type: BlogRSS
  url: https://xfuel.com/feed/
- type: PrivacyPolicy
  url: https://xfuel.com/privacy
- type: Contact
  url: https://xfuel.com/contact/
- type: Careers
  url: https://xfuel.com/careers/
- type: LinkedIn
  url: https://linkedin.com/company/xfuelhq
- type: Twitter
  url: https://twitter.com/xfuelhq
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 3
  pass: local-v1