Fuse

Fuse Energy is a UK retail energy supplier providing gas and electricity to homes and businesses, alongside EV charging, solar and battery storage tracking with grid export, and smart home energy management. The company emphasises savings against the UK price cap, a fast (~3 minute) online sign-up, automated supplier switching, and 24/7 customer support including an AI assistant called "Plugs". Fuse was surfaced as a portfolio company of Accel and Speedinvest and added to the API Evangelist network. It operates a consumer/business energy web and mobile experience and does not publish a public developer API program at this time.

Fuse is profiled on the APIs.io network. Tagged areas include Company, Energy, Utilities, Electricity, and Gas.

Fuse’s developer surface includes engineering blog, support, signup flow, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub

14.9/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyEnergyUtilitiesElectricityGasEV ChargingSolarRenewable EnergyUnited Kingdom

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 14.9/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 6.8 / 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/fuse: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

SignUp

SignUp

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: fuse
name: Fuse
description: Fuse Energy is a UK retail energy supplier providing gas and electricity to homes and businesses, alongside EV
  charging, solar and battery storage tracking with grid export, and smart home energy management. The company emphasises
  savings against the UK price cap, a fast (~3 minute) online sign-up, automated supplier switching, and 24/7 customer support
  including an AI assistant called "Plugs". Fuse was surfaced as a portfolio company of Accel and Speedinvest and added to
  the API Evangelist network. It operates a consumer/business energy web and mobile experience and does not publish a public
  developer API program at this time.
url: https://raw.githubusercontent.com/api-evangelist/fuse/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- speedinvest
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://static.fuseenergy.com/assets/preview/spaced-logo.png
tags:
- Company
- Energy
- Utilities
- Electricity
- Gas
- EV Charging
- Solar
- Renewable Energy
- United Kingdom
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/fuse-domain-security.yml
- type: Website
  url: https://www.fuseenergy.com/
- type: Blog
  url: https://www.fuseenergy.com/blog
- type: Support
  url: https://www.fuseenergy.com/support
- type: SignUp
  url: https://www.fuseenergy.com/app/boarding/premises
- type: TermsOfService
  url: https://www.fuseenergy.com/legal/energy-supply-terms-and-conditions
- type: PrivacyPolicy
  url: https://www.fuseenergy.com/legal/privacy-policy
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence