Startup profile for Fly.io: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.
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Fly.io funding, valuation and investors

Developer platform for running full-stack apps close to users globally.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series C

$70M · June 2023

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$95M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

growth

Investors in latest funding

Lead: EQT Ventures

Other: Andreessen Horowitz , Initialized Capital

Sources: latest funding Last verified: 2026-07-25

Overview

Fly.io is a developer platform that runs full-stack applications on a global network of edge servers, deploying containers close to users for low-latency delivery without traditional serverless constraints.

Why Fly.io is interesting

Fly.io competes in the deploy-anywhere developer cloud niche — edge-ish DX without full serverless lock-in.

Product & use cases

Developer platform running full-stack applications on a global edge network of servers for low-latency delivery.

  • Deploying containers close to users globally
  • Low-latency full-stack app hosting
  • Edge compute alternative to traditional cloud regions

Key facts

  • Series B (Jul 2022): $25M led by a16z (/fund/andreessen-horowitz); Intel Capital and Initialized (/fund/initialized-capital) among participants (Fly blog)
  • Series C (Jun 2023): $70M led by EQT Ventures; a16z and Initialized returned (Bloomberg)
  • Product: global edge deployment for full-stack apps via containers

Funding history (newest first)

Series C

2023-06 $70M

Source: https://www.bloomberg.com/news/articles/2023-06-22/fly-io-raises-70m

Series B

2022-07 $25M

Source: https://fly.io/blog/series-b/

Investors in our directory

Funds linked from Fly.io's profile — open a fund page for stage focus and related deal articles.

Andreessen Horowitz Initialized Capital

Competitive landscape

Edge: Global edge container deployment with strong developer experience — a16z Series B and EQT-led Series C.

Edge deployment reduces latency for global apps. Fly.io offers container-based edge compute — EQT led $70M Series C (2023) after a16z's $25M Series B (2022).

  • Cloudflare Workers direct

    Edge compute platform; Fly.io runs full containers.

  • AWS Lambda/Fargate incumbent

    Serverless/regional compute; Fly.io is edge-native.

  • Railway/Render adjacent

    Simpler PaaS; less edge-focused.

Notable stories

  • Fly.io's CEO Kurt Mackey previously founded MongoHQ (acquired by Compose/IBM) — second infrastructure company (Bloomberg, 2023).

Industries

Infrastructure & Cloud Developer Tools

FAQs about Fly.io

Practical answers founders, operators, and investors typically search for.

Fly.io is a developer platform that deploys full-stack applications on a global network of edge servers, running containers close to users for low-latency delivery.
Fly.io's $25M Series B (2022) was led by Andreessen Horowitz (/fund/andreessen-horowitz), with Initialized Capital (/fund/initialized-capital) participating. EQT Ventures led a $70M Series C in 2023.
Fly.io is at Series C based on its June 2023 $70M round led by EQT Ventures.
Developers want deploy-anywhere DX without hyperscaler lock-in. Fly.io targets the edge compute niche — running apps globally without full serverless constraints.
No. Fly.io remains a private company.
Fly.io runs full containers globally; Cloudflare Workers is serverless functions at edge.
$95M across Series B ($25M) and Series C ($70M).
See company website for current headquarters.
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.