# Constraints — Fly.io

| key | value | condition | source | checked |
|---|---|---|---|---|
| api_available | yes |  | https://fly.io/pricing | 2026-04-18 |
| cron_available | yes | Via scheduled machines or external scheduler. | https://fly.io/pricing | 2026-04-18 |
| custom_domain_available | yes |  | https://fly.io/pricing | 2026-04-18 |
| webhook_available | yes |  | https://fly.io/pricing | 2026-04-18 |

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