Larz API Quickstart

From zero to your first AI response in two minutes.

The Larz API is a clean, Larz-native HTTP API for AI text generation and 40+ ready-made tools. This guide gets you from zero to your first response in about two minutes.

1. Get an API key

Create a free Larz account and generate a key on the developer dashboard. Your key looks like larz_sk_… and is shown once — store it safely.

2. Make your first call

curl https://api.larzos.com/v1/generate \
  -H "Larz-Api-Key: larz_sk_your_key" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"Write a friendly welcome message"}'

3. Read the response

{
  "id": "larz_gen_…",
  "object": "generation",
  "model": "drlarz-chat",
  "output": "Welcome aboard! …",
  "usage": { "tokens": 219 },
  "created": 1783362964
}

What's next

• Explore the text generation API for models, system prompts and multi-turn.
• Skip prompt-engineering with the Tools API — 40+ endpoints like hashtags and ad copy.
• Check limits & pricing — the free tier needs no card.

Get your API key