Cold Email Generator API

Draft cold emails that actually get replies.

The Cold Email Generator API lets you draft cold emails that actually get replies. programmatically — a single call, structured output, no prompt engineering. It's part of the Larz Tools API and runs on the same Larz API key you use everywhere else.

Endpoint

Example request

curl https://api.larzos.com/v1/tools/coldoutreach \
  -H "Larz-Api-Key: larz_sk_your_key" \
  -H "Content-Type: application/json" \
  -d '{"input":"reaching out to a startup about our design services"}'

Example response

{
  "id": "larz_run_…",
  "object": "tool_result",
  "tool": "coldoutreach",
  "output": "…generated result…",
  "usage": { "tokens": 180 }
}

What you can build

• Add a one-click "cold" feature to your own app.
• Automate sales workflows at scale.
• Power internal tools, bots, or batch jobs — draft cold emails that actually get replies on demand.

Pricing

Free on the Free tier (200,000 tokens/month, 60 requests/min). Every call returns your remaining quota in the X-Larz-Tokens-Remaining header.

Get an API keyTry Cold Email Generator free →