Email Writer API

Write any professional email in seconds.

The Email Writer API lets you write any professional email in seconds. 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/email \
  -H "Larz-Api-Key: larz_sk_your_key" \
  -H "Content-Type: application/json" \
  -d '{"input":"asking a client for an overdue invoice, politely"}'

Example response

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

What you can build

• Add a one-click "email" feature to your own app.
• Automate writing workflows at scale.
• Power internal tools, bots, or batch jobs — write any professional email in seconds 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 Email Writer free →