# Constraints — Cloudflare Workers

| key | value | condition | source | checked |
|---|---|---|---|---|
| api_available | yes |  | https://developers.cloudflare.com/workers/platform/limits/ | 2026-04-18 |
| cron_available | yes | Via Cron Triggers, available on all plans. | https://developers.cloudflare.com/workers/platform/limits/ | 2026-04-18 |
| custom_domain_available | yes |  | https://developers.cloudflare.com/workers/platform/limits/ | 2026-04-18 |
| webhook_available | yes |  | https://developers.cloudflare.com/workers/platform/limits/ | 2026-04-18 |

Canonical HTML: https://atlas.lb-product.com/ja/constraints/cloudflare-workers