---
title: "Create a list"
method: POST
path: "/martech/{connection_id}/list"
tags: ["martech", "list"]
---

# Create a list

`POST /martech/{connection_id}/list`

## Request

- Base URL: `http://api.unified.to`
- URL: `http://api.unified.to/martech/{connection_id}/list`
- Auth: API key in header `authorization`

## Path parameters

- `connection_id` string, required

## Query parameters

- `fields` string[]
- `raw` string

## Request body

- MarketingList: Mailing List
  - `id` string: Identifier for this list
  - `created_at` string, date-time: Date that this list was created (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `updated_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `name` string: The list's name
  - `description` string
  - `start_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `end_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `user_id` string: The user who created this list (reference to HrisEmployee)
  - `is_active` boolean
  - `address` MarketingListAddress
    - `address1` string
    - `address2` string
    - `city` string
    - `region` string
    - `region_code` string
    - `postal_code` string
    - `country` string
    - `country_code` string
  - `subject` string
  - `sender_name` string
  - `sender_email` string
  - `language` string
  - `sender_company` string
  - `sender_phone` string
  - `metadata` MarketingMetadata[]
    - `id` string
    - `slug` string
    - `value` unknown
    - `namespace` string
    - `format` 'TEXT' | 'NUMBER' | 'DATE' | 'BOOLEAN' | 'FILE' | 'TEXTAREA' | 'SINGLE_SELECT' | 'MULTIPLE_SELECT' | 'MEASUREMENT' | 'PRICE' | 'YES_NO' | 'CURRENCY' | 'URL'
    - `extra_data` unknown
  - `raw` unknown

## Response `200`

Successful

- MarketingList: Mailing List
  - `id` string: Identifier for this list
  - `created_at` string, date-time: Date that this list was created (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `updated_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `name` string: The list's name
  - `description` string
  - `start_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `end_at` string, date-time: (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
  - `user_id` string: The user who created this list (reference to HrisEmployee)
  - `is_active` boolean
  - `address` MarketingListAddress
    - `address1` string
    - `address2` string
    - `city` string
    - `region` string
    - `region_code` string
    - `postal_code` string
    - `country` string
    - `country_code` string
  - `subject` string
  - `sender_name` string
  - `sender_email` string
  - `language` string
  - `sender_company` string
  - `sender_phone` string
  - `metadata` MarketingMetadata[]
    - `id` string
    - `slug` string
    - `value` unknown
    - `namespace` string
    - `format` 'TEXT' | 'NUMBER' | 'DATE' | 'BOOLEAN' | 'FILE' | 'TEXTAREA' | 'SINGLE_SELECT' | 'MULTIPLE_SELECT' | 'MEASUREMENT' | 'PRICE' | 'YES_NO' | 'CURRENCY' | 'URL'
    - `extra_data` unknown
  - `raw` unknown

---

[API](https://skmtc.dev/unified/apis/unified-to-api-2.md) · [All operations](https://skmtc.dev/unified/apis/unified-to-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/unified/apis/unified-to-api-2/revisions/7a38bdd7f089?raw)