/
Log inGet free API keyAccount
Menu
InvestorsCompaniesFit CheckerDocsPricingGet free API key

Companies / Halcyon

Halcyon

Company

Halcyon provides an AI platform for energy market intelligence

AI & Machine LearningE-commerce & Marketplaces

Halcyon has 2 investors on file, among them Energize Capital and Zero Infinity Partners. Its site was last checked 13 Nov 2026: site answers.

halcyon.io

Investors

2 investors on file
InvestorEvidenceType
Energize CapitalPortfolio pageVenture capital
Zero Infinity PartnersPortfolio pageVenture capital

More from Energize Capital

25 companies on its checked portfolio

Its portfolio leans to AI & Machine Learning (22%), Education (16%), Industrial & Manufacturing (16%).

FeltFelt provides a mapping platform that utilizes AI-native GIS for vario…InstaLILYInstaLILY develops and deploys artificial intelligence software for va…NixtlaThe company provides a time series forecasting and anomaly detection e…PatchPatch provides AI-native services for environmental markets and helps …SmartcarSmartcar provides a car API platform for connected vehicle data

See Energize Capital's full profile · Who invests alongside it

More from Zero Infinity Partners

28 companies on its checked portfolio

Its portfolio leans to AI & Machine Learning (43%), Industrial & Manufacturing (16%), Space & Defense (13%).

BioSqueezeBioSqueeze is a biomineralization platform company that solves difficu…BrightBrightAI develops and implements artificial intelligence systems for m…CloudForgeCloudForge provides an AI sales co-pilot for distributors and manufact…EnCharge AIEnCharge AI develops and provides AI computing technology for business…FluidstackFluidstack builds and deploys compute infrastructure, including data c…

See Zero Infinity Partners' full profile · Who invests alongside it

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

Free account · no card

Get Halcyon and its investors as data

Look up any company's investors, or any investor's full portfolio, through one API key or MCP. A free account also opens Ask AI searches and alerts when Energize Capital adds a company.

Work email, sign-in link by email. Already have an account? Log in
Your API keyRead the docs
  • Ask AI5 plain-English investor searches a day
  • Full listsEvery portfolio row and two-firm overlap
  • API and MCP100 REST or MCP calls a month, one key
  • AlertsFollow 5 investors for portfolio and fund changes
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/halcyon.io/investors

# also
GET /v1/companies/halcyon.io
GET /v1/companies/halcyon.io/news
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing