CLI · MCP · API

Everything in Send is available over the REST API, and the CLI and MCP server are thin tools built on top of it. One API key works for all three.

API keys

Create one in Settings → API keys. A key is shown only once, when you create it. Make a separate key per agent so if one leaks, you only have to revoke that one.

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Settings → API keys — create keys per use case, see when each was last used, and revoke them.

CLI

Save your key with npx send.ad login --key sd_live_…, then run things like sendad whoami · sendad contacts import file.csv --list customers · sendad ai "brief" --list customers --send · sendad campaigns report <id>. Add --json for machine-readable output.

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API docs → CLI — every command and option.

MCP (Claude Code and more)

One line — claude mcp add sendad -e SEND_API_KEY=sd_live_… -- npx -y send.ad mcp — and Claude Code picks up the send_* tools. Say "send the holiday promo to the customers list" and the agent picks the right tool.

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API docs → MCP server — how to register with Claude Code, Cursor, and the tool list.