---
title: "Create Threads And Calls Batch"
method: POST
path: "/voice/batch-phone-call"
tags: ["Voice"]
---

# Create Threads And Calls Batch

`POST /voice/batch-phone-call`

## Request

- Base URL: `https://api.puppeteerai.com`
- URL: `https://api.puppeteerai.com/voice/batch-phone-call`
- Auth: none declared. Required headers: `Authorization`

Creates multiple threads and starts batch phone calls. All calls use the same project.

## Query parameters

- `thread_id` string, nullable

## Headers

- `Authorization` string, required

## Request body

- CreateBatchCallInput: Input model for batch phone calls - all calls use the same project
  - `project_id` string, required
  - `batch_call_inputs` BatchCallInput[], required: List of calls to make
    - `callee` string, required
    - `json_data` string, nullable
    - `timezone` string, nullable
  - `retell_account_id` string, nullable: The UUID of the Retell account to use. Required when the project has multiple phone numbers.

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/getpuppeteer/apis/puppeteer-core-api.md) - [All operations](https://skmtc.dev/getpuppeteer/apis/puppeteer-core-api/llms.txt) - [OpenAPI document](https://skmtc.dev/getpuppeteer/apis/puppeteer-core-api/revisions/94b4e928b42f?raw)