Create Message Batch: Anthropic action

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Model model	options	Required	Model. Options: Claude Sonnet 4.6, Claude Opus 4.6, Claude Haiku 4.5
Prompt prompt	string	Required	The prompt to send to each item in the batch
Max Tokens max_tokens	string	Optional	Max Tokens
Custom ID custom_id	string	Required	Your unique ID for this batch request

Sample request

{
  "model": "{{trigger.model}}",
  "prompt": "{{trigger.prompt}}",
  "max_tokens": "{{trigger.max_tokens}}",
  "custom_id": "e.g. request-001"
}

Returns

{
  "id": "batch_abc123",
  "type": "message_batch",
  "request_counts": {
    "errored": 0,
    "expired": 0,
    "canceled": 0,
    "succeeded": 0,
    "processing": 1
  },
  "processing_status": "in_progress"
}

Use these fields in downstream nodes for routing, logging, or error handling.

FAQ

Questions about Create Message Batch.

What does the Create Message Batch action do in Anthropic?

Creates a batch of messages for async processing on the Messages API, with a 50% cost reduction and up to 24-hour turnaround. Perfect for bulk classification, summarization, or labeling jobs.

What inputs does Create Message Batch require?

Required: Model, Prompt, Custom ID. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Anthropic returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Create Message Batch support batch operations?

Yes. Run Create Message Batch inside a Loop node to process arrays. Tiny Command handles Anthropic's rate limits automatically so you don't have to throttle manually.

More actions