# Add a message or internal note



URL: https://getclickfix.com/docs/api-reference/conversations/add-a-message-or-internal-note?lang=en

Scope: `conversations:write`. `private: true` adds an internal note (never delivered to the customer); otherwise the reply is sent to the customer through the channel. `client_id` adds extra duplicate protection. `Idempotency-Key` is required.

This page is the API reference generated from the OpenAPI schema; request and response schemas, examples and curl/Node.js/Go/PHP requests are on the HTML page. Shared rules: https://getclickfix.com/docs/api.md?lang=en