---
title: "Add an entry to a contact list"
method: POST
path: "/v1/lists/{id}/entries"
tags: ["Lists"]
---

# Add an entry to a contact list

`POST /v1/lists/{id}/entries`

## Request

- Base URL: `https://api.honkio.ca`
- URL: `https://api.honkio.ca/v1/lists/{id}/entries`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-Key`

Provide exactly one of: `phone_number` (direct E.164), `contact_id` (Contact record), or `contact_group_id` (ContactGroup: expands to all members at send time).

Requires `lists:m`.

## Path parameters

- `id` string, required

## Request body

- object
  - `phone_number` string
  - `contact_id` string
  - `contact_group_id` string

## Response `201`

The entry.

- object: The entry.
  - `id` string, required
  - `phone_number` string, nullable, required
  - `contact_id` string, nullable, required
  - `contact_group_id` string, nullable, required
  - `added_at` string, date-time, required

## Other responses

- `401`: Missing, invalid, revoked or expired API key.
- `402`: The account has no balance, or a LIVE key was used before the first top-up.
- `403`: LIVE_KEY_REQUIRED when a test key tries to change something a live key's allow/deny list references; KEY_FENCED when the change would loosen the calling key's own allow/deny fence. Also FORBIDDEN when the key lacks the permission.
- `404`: CONTACT_LIST_NOT_FOUND, CONTACT_NOT_FOUND or CONTACT_GROUP_NOT_FOUND.
- `409`: CONTACT_LIST_ENTRY_EXISTS.
- `422`: CONTACT_LIST_ENTRY_INVALID (not exactly one of phone_number, contact_id and contact_group_id), INVALID_PHONE_NUMBER or CONTACT_HAS_NO_PHONE.
- `429`: Rate limit reached: 100 requests per second per account, or a route-specific limit (Retry-After set where one applies).
- `500`: Unexpected server error.

---

[API](https://skmtc.dev/honkio/apis/honkio-api.md) · [All operations](https://skmtc.dev/honkio/apis/honkio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/honkio/apis/honkio-api/revisions/ce4ed3fe9691?raw)