---
title: "Bulk create subscribers"
method: POST
path: "/v4/bulk/subscribers"
tags: ["Subscribers"]
---

# Bulk create subscribers

`POST /v4/bulk/subscribers`

See "[Bulk & async processing](#bulk-amp-async-processing)" for more information.

## Request body

- object
  - `subscribers` object[], required
    - `first_name` string, nullable
    - `email_address` string, nullable
    - `state` 'active' | 'cancelled' | 'bounced' | 'complained' | 'inactive', nullable
  - `callback_url` string, nullable

## Response `200`

Creates or updates the subscribers synchronously when 100 or less subscribers are requested

- object
  - `subscribers` object[], required
    - `id` integer, required
    - `first_name` string, nullable, required
    - `email_address` string, required
    - `state` 'active' | 'cancelled' | 'bounced' | 'complained' | 'inactive', required
    - `created_at` string, required
  - `failures` object[], required
    - `subscriber` object, required
      - `first_name` string, required
      - `email_address` string, nullable, required
      - `state` 'active' | 'cancelled' | 'bounced' | 'complained' | 'inactive', required
      - `created_at` string, nullable, required
    - `errors` string[], required

## Other responses

- `202` — Creates or updates subscribers asynchronously when more than 100 subscribers are requested
- `401` — Returns a 401 if the token and/or account cannot be authenticated
- `403` — Returns a 403 when the number of subscribers in the request would exceed the account's subscriber limit
- `413` — Returns a 413 when the size of the request would exceed the account's data limit for enqueued bulk requests
- `422` — Returns a 422 when `subscribers` is empty or not an array

---

[API](https://skmtc.net/kit/apis/kit-api.md) · [All operations](https://skmtc.net/kit/apis/kit-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/kit/kit-api/revisions/0df0c90d12da/schema)