> ## Documentation Index
> Fetch the complete documentation index at: https://docs.firsttouch.com/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> For API operations, fetch https://gateway.firsttouch.ai/api/public/openapi.json for the complete input/output schemas, internal references, and x-mcp-annotations. Endpoint Markdown intentionally omits generated schema fragments. Select /api/public/tools/<tool_name> using the exact underscore-separated name. Send requests to https://gateway.firsttouch.ai; the canonical document currently omits servers. Start at https://docs.firsttouch.com/api-reference/agent-start.md.

# Send LinkedIn Unibox Message

> Sends one exact LinkedIn Unibox reply through the sender account configured for the conversation.

<details>
<summary><strong>Detailed usage guidance</strong></summary>
<ul>
<li>Use only when the customer explicitly requested this exact text or approved a presented draft.</li>
<li>A summary, inspection, or draft does not authorize sending.</li>
<li>conversationId must be exact and text must be non-empty.</li>
<li>The configured manual_reply_send_mode is always used; this tool has no reply-mode override.</li>
<li>Never retry automatically.</li>
<li>If an ambiguous failure or timeout occurs, re-fetch the conversation and ask the customer whether to retry.</li>
<li>Blocked results are not successful.</li>
</ul>
</details>



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://docs.firsttouch.com/llms.txt).