---
title: "Create Outbound Communication Batch"
method: POST
path: "/api/v1/outbound/batches"
tags: ["outbound.batches"]
---

# Create Outbound Communication Batch

`POST /api/v1/outbound/batches`

## Request body

- CommunicationBatchInput
  - `batch_id` string, required — Unique ID for conversation batch
  - `campaign_id` integer, required — Unique ID for campaign
  - `expires_on` string, date-time, nullable — Timestamp of batch expiration
  - `paused` boolean, nullable — Whether the batch is on HOLD. When on HOLD, no outreach will be made.
  - `call_rate` integer, nullable — Target number of outreach attempts per hour for this batch. When omitted, the batch inherits the campaign's hourly_rate.

## Response `200`

Successful Response

- CommunicationBatch
  - `batch_id` string, required — Unique ID for conversation batch
  - `campaign_id` integer, required — Unique ID for campaign
  - `expires_on` string, date-time, nullable — Timestamp of batch expiration
  - `paused` boolean, nullable — Whether the batch is on HOLD. When on HOLD, no outreach will be made.
  - `call_rate` integer, nullable — Target number of outreach attempts per hour for this batch. When omitted, the batch inherits the campaign's hourly_rate.
  - `status` 'PENDING' | 'ACTIVE' | 'PAUSED' | 'FAILED' | 'CANCELED' | 'EXPIRED' — Status of a communication batch.
  - `upload_filename` string, nullable — Name of file used to create batch
  - `dispatch_id` string, nullable — A unique identifier for dipatched job
  - `created_at` string, date-time — Timestamp of batch creation
  - `deleted_at` string, date-time, nullable — Timestamp of batch deletion
  - `deleted_reason` string, nullable — Reason for batch deletion
  - `last_updated_at` string, date-time, nullable — Timestamp of last change to batch
  - `last_updated_by` string, required — Email of user who last updated campaign
  - `error_message` string, nullable — Error message if batch upload failed

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/asksyllable/apis/syllablesdk.md) · [All operations](https://skmtc.net/asksyllable/apis/syllablesdk/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/asksyllable/syllablesdk/versions/ac3228f980bb/schema)