---
title: "Reply to a ticket"
method: POST
path: "/api/v1/tickets/{ticketId}/replies"
---

# Reply to a ticket

`POST /api/v1/tickets/{ticketId}/replies`

## Request

- Base URL: `https://ipmusk.com`
- URL: `https://ipmusk.com/api/v1/tickets/{ticketId}/replies`
- Auth: HTTP bearer

Adds a customer message. A resolved or closed ticket answers 409 invalid_state_transition. The Idempotency-Key header makes a retry return the same message. Rate limited per account.

## Path parameters

- `ticketId` string, required

## Headers

- `Idempotency-Key` string, required

## Request body

- object
  - `message` string, required

## Response `201`

Reply to a ticket

- object
  - `data` object, required
    - `id` string, required
    - `author` 'customer' | 'support', required
    - `body` string, required
    - `created_at` string, date-time, required
  - `request_id` string, required

## Other responses

- `default`: Any failure: 400 validation_error, 401 authentication_required, 403 forbidden / capability_unavailable, 404 not_found, 409 invalid_state_transition / idempotency_conflict, 422 product_unavailable, 429 rate_limited, 500 internal_error.

---

[API](https://skmtc.dev/ipmusk/apis/ipmusk-customer-api.md) · [All operations](https://skmtc.dev/ipmusk/apis/ipmusk-customer-api/llms.txt) · [OpenAPI document](https://skmtc.dev/ipmusk/apis/ipmusk-customer-api/revisions/89f8b46fda61?raw)