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Workflows: update limits and added notes #25670

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0ca067e
- add note refering Workflows do not support Workers for Platforms
bruxodasilva Oct 7, 2025
9a42e90
- updates creation rate and concurrency limits
bruxodasilva Oct 7, 2025
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6 changes: 6 additions & 0 deletions src/content/docs/workflows/get-started/cli-quick-start.mdx
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Expand Up @@ -144,6 +144,12 @@ Workflows are deployed via [`wrangler`](/workers/wrangler/install-and-update/),
npx wrangler@latest deploy
```

:::note

Workflows cannot be deployed to Workers for Platforms namespaces, as Workflows do not support Workers for Platforms.

:::

## 3. Run a Workflow

You can run a Workflow via the `wrangler` CLI, via a Worker binding, or via the Workflows [REST API](/api/resources/workflows/methods/list/).
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6 changes: 6 additions & 0 deletions src/content/docs/workflows/get-started/guide.mdx
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Expand Up @@ -385,6 +385,12 @@ Showing last 1 workflow:
└───────────────────┴───────────────────┴────────────┴─────────────────────────┴─────────────────────────┘
```

:::note

Workflows cannot be deployed to Workers for Platforms namespaces, as Workflows do not support Workers for Platforms.

:::

## 6. Run and observe your Workflow

With your Workflow deployed, you can now run it.
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4 changes: 2 additions & 2 deletions src/content/docs/workflows/reference/limits.mdx
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Expand Up @@ -24,8 +24,8 @@ Many limits are inherited from those applied to Workers scripts and as documente
| Maximum `step.sleep` duration | 365 days (1 year) | 365 days (1 year) |
| Maximum steps per Workflow [^5] | 1024 | 1024 |
| Maximum Workflow executions | 100,000 per day [shared with Workers daily limit](/workers/platform/limits/#worker-limits) | Unlimited |
| Concurrent Workflow instances (executions) per account | 25 | 4500 |
| Maximum Workflow instance creation rate | 100 per 10 seconds [^6] | 100 per 10 seconds [^6] |
| Concurrent Workflow instances (executions) per account | 25 | 10,000 |
| Maximum Workflow instance creation rate | 100 per second [^6] | 100 per second [^6] |
| Maximum number of [queued instances](/workflows/observability/metrics-analytics/#event-types) | 10,000 | 100,000 |
| Retention limit for completed Workflow state | 3 days | 30 days [^2] |
| Maximum length of a Workflow name [^4] | 64 characters | 64 characters |
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