Fly.io offers a free plan, with paid plans starting at Free tier.

Does Fly.io have an API?

Yes, Fly.io provides an API for developers.

What platforms does Fly.io support?

Fly.io is available on Web, CLI.

What does Fly.io integrate with?

Fly.io integrates with OpenRouter, GitHub, Slack.

Is Fly.io cloud-based or self-hosted?

Fly.io is offered as a cloud-based (SaaS) deployment.

What are the downsides of Fly.io?

Sprite Block Device is currently in private beta

Who is Fly.io best for?

Fly.io is best suited for Coding Agent Developers, Personal Agent Builders, MCP Server Operators.

What can I use Fly.io for?

Common uses for Fly.io include coding agents, personal agents, mcp servers, running untrusted code.

Fly.io Sprites: real Linux computers for AI agents

Fly.io runs your apps in micro VMs on servers close to your users — in 30+ regions around the world. Developers love Fly for its CLI simplicity, global networking, and transparent pricing that makes Heroku-level DX affordable at scale.

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