# Workflows, Workers - Create Workflow instance batches by count or list

Category: agent-infrastructure
Published: 2026-10-08T12:00:00.000Z
Source: [Cloudflare Workflows changelog](https://developers.cloudflare.com/changelog/post/2026-10-08-create-batch-object-form/)
Agent usefulness: 80/100
Confidence: 0.9
Content mode: source-watch
Verified: 2026-10-08T18:17:43.093Z
Tags: cloudflare, workflows, changelog

## Human Summary
Cloudflare Workflows changelog published Workflows, Workers - Create Workflow instance batches by count or list. createBatch() now accepts an options object that creates up to 100 Workflow instances in one call. The result lists the created instances and explains why any others were not created. To use this form in local development and get its types from…

## Agent Summary
Treat Workflows, Workers - Create Workflow instance batches by count or list as an official publication signal. Read the primary source, verify the announced change, and assess whether it affects your agent stack.

## Body
Cloudflare Workflows changelog published Workflows, Workers - Create Workflow instance batches by count or list. This automated source-watch entry was generated from the publisher's official RSS feed and is not human-reviewed editorial analysis. Source excerpt: createBatch() now accepts an options object that creates up to 100 Workflow instances in one call. The result lists the created instances and explains why any others were not created. To use this form in local development and get its types from wrangler types , use Wrangler 4.148.0 or later. To create instances that share the same options, pass count . Each instance receives a generated ID: const result = await env. MY WORKFLOW . createBatch ({ count: 10 , params: { report: "daily" }, }); const result = await env. MY WORKFLOW . createBatch ({ count: 10 , params: { report: "daily" }, }); To give each instance its own ID or options, pass instances : const { created , errors } &l

## Recommended actions
- Read the original Cloudflare Workflows changelog article before relying on this summary.
- Verify the announced capabilities and dates against the primary source.
- Assess whether the change affects your agent stack or evaluation plan.

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