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Getting Started

Quickstart

Send your first email in under 5 minutes — connect your AI tool via MCP and start prompting

Get up and running with Nitrosend in under 5 minutes. Choose your path:

The fastest way to get started. Connect your AI tool and let it handle the setup.

1. Create your account

Sign up at app.nitrosend.com.

2. Connect your AI tool

Add Nitrosend as an MCP server. Pick your tool:

claude mcp add --transport http nitrosend https://api.nitrosend.com/mcp
codex mcp add nitrosend --url https://api.nitrosend.com/mcp

For Claude Desktop, ChatGPT, Cursor, Gemini, or other tools — see the full integration guides.

3. Sign in when prompted

Most clients open a Nitrosend sign-in window on first use. If a CLI client does not prompt immediately, open its MCP manager and complete OAuth there:

  • Claude Code: run /mcp
  • Codex CLI: run codex mcp login nitrosend

4. Start prompting

Try this to get a full setup in one go:

Connect into Nitrosend and based on my brand, give me a suggested email
flow to set up and guide me through set up. Make the email design modern
and on brand against my website.

Your AI will scrape your brand, suggest a flow, build it, and walk you through sending a test.

Tip

Other great first prompts:

  • "Check my account status and tell me what I need to set up"
  • "Create a 5-email welcome series for new subscribers"
  • "Send a test email to me@example.com"

Quickstart with the dashboard

Prefer to set things up manually? Here's the traditional path.

1. Create your account

Sign up at app.nitrosend.com and complete the onboarding wizard. This sets up your brand colors, logo, and sending domain.

2. Verify your domain

Add the DNS records shown in Settings > Domains to authenticate your sending domain. This ensures your emails land in the inbox, not spam.

3. Import contacts

Go to Contacts > Import and upload a CSV, or add contacts manually. Each contact needs at least an email address.

4. Create a template

Head to Templates and use the drag-and-drop editor to design your email. Your brand colors and logo are applied automatically.

5. Send a campaign

Go to Campaigns > New, select your template and audience, and hit send.

Using the REST API

If you prefer to integrate programmatically, grab your API key from Settings > API Keys and check the API Reference.

curl -X POST https://api.nitrosend.com/v1/my/messages \
  -H "Authorization: Bearer nskey_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "to": "user@example.com",
    "subject": "Hello from Nitrosend",
    "html": "<h1>Welcome!</h1>"
  }'
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