Simon Willison’s Weblog

21st January 2022

TIL Using the undocumented Fly GraphQL API — [Fly](https://fly.io/) has a GraphQL API which is used by some of their own tools - I found it while [browsing around their code](https://github.com/superfly/flyctl/blob/603b0adccf5416188eabaa7dc73f9c0ec88fa6ca/api/resource_volumes.go#L5-L40) on GitHub.

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Posted 21st January 2022 at 10:59 pm

Recent articles

Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
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This is a beat by Simon Willison, posted on 21st January 2022.

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