---
title: "Add Contacts"
method: POST
path: "/api/user/contacts"
tags: ["user"]
---

# Add Contacts

`POST /api/user/contacts`

Add multiple contacts by email addresses.

For each email:
- If user already exists: Adds them to contacts with status="registered"
- If user doesn't exist: Sends invitation email and creates contact with status="invited"

Protected endpoint - requires authentication.
Returns list of created contact records.

## Request body

- AddContactsRequest — Request model for adding contacts by email.
  - `emails` string[], required

## Response `200`

Successful Response

- ContactResponse[]
  - `external_id` string, required
  - `email` string, required
  - `user` UserResponse — Standard user representation used across all endpoints. Used for: login response, workspace users, contacts (when registered).
    - `external_id` string, required
    - `email` string, required
    - `given_name` string, required
    - `family_name` string, required
    - `picture` string, nullable
    - `encryption_public_key` string, required
  - `status` 'invitation_pending' | 'invitation_expired' | 'registered', required
  - `created_at` string, required

## Other responses

- `422` — Validation Error

## Changes

- **2025-12-31** `d14bca97ba86` — 1 warning, 2 info
  - added the new `registered` enum value to the `items/status` response property for the response status `200`
  - removed the `existing_user` enum value from the `items/status` response property for the response status `200`
  - removed the `invitation_accepted` enum value from the `items/status` response property for the response status `200`
- **2025-12-25** `aa4b06f8dede` — 3 warning, 1 info
  - removed the optional property `items/last_name` from the response with the `200` status
  - removed the optional property `items/name` from the response with the `200` status
  - removed the optional property `items/user_ext_id` from the response with the `200` status
  - added the optional property `items/user` to the response with the `200` status
- **2025-12-10** `24f3127dab7f` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/arbicity/apis/arbi/changes/api/user/contacts/post.md)

---

[API](https://skmtc.dev/arbicity/apis/arbi.md) · [All operations](https://skmtc.dev/arbicity/apis/arbi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/arbicity/arbi/revisions/1f956ac3d1c1/schema)