---
title: "Changes to Import up to 10,000 contacts"
method: POST
path: "/contacts/import"
---

# Changes to Import up to 10,000 contacts

`POST /contacts/import`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 7 revisions.

- **2026-09-30** `4dc1e20989c8`: 12 warning
- **2026-09-29** `ef5b22b98333`: 1 breaking, 3 warning, 7 info

## Changes

- **2026-09-30** `4dc1e20989c8`: 12 warning
  - added the new `daily_limit_exceeded` enum value to the `anyOf[#/components/schemas/Error]/code` response property for the response status `403`
  - added the new `daily_limit_exceeded` enum value to the `code` response property for the response status `400`
  - added the new `daily_limit_exceeded` enum value to the `code` response property for the response status `401`
  - added the new `daily_limit_exceeded` enum value to the `code` response property for the response status `429`
  - added the new `monthly_limit_exceeded` enum value to the `anyOf[#/components/schemas/Error]/code` response property for the response status `403`
  - added the new `monthly_limit_exceeded` enum value to the `code` response property for the response status `400`
  - added the new `monthly_limit_exceeded` enum value to the `code` response property for the response status `401`
  - added the new `monthly_limit_exceeded` enum value to the `code` response property for the response status `429`
  - added the new `send_limit_exceeded` enum value to the `anyOf[#/components/schemas/Error]/code` response property for the response status `403`
  - added the new `send_limit_exceeded` enum value to the `code` response property for the response status `400`
  - added the new `send_limit_exceeded` enum value to the `code` response property for the response status `401`
  - added the new `send_limit_exceeded` enum value to the `code` response property for the response status `429`
- **2026-09-29** `ef5b22b98333`: 1 breaking, 3 warning, 7 info
  - added the new required request property `contacts`
  - removed the request property `csv`
  - removed the request property `segment_id`
  - removed the optional property `success` from the response with the `200` status
  - added the non-success response with the status `400`
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - added the non-success response with the status `429`
  - added the required property `errors` to the response with the `200` status
  - added the required property `imported` to the response with the `200` status
  - added the required property `skipped` to the response with the `200` status

---

[Operation](https://skmtc.dev/poststack/apis/poststack-api/docs/contacts/import/post.md) - [API](https://skmtc.dev/poststack/apis/poststack-api.md) - [Page](https://skmtc.dev/poststack/apis/poststack-api/changes/contacts/import/post)