Get your first AI prompt generated via the API in under 2 minutes.
Sign up at getpromptgen.com — it's free. No credit card required.
Go to Settings → Developer, enter a name for your key, and click Generate Key.
sb_live_ and is shown only once. Copy it immediately and store it somewhere safe.Replace sb_live_YOUR_KEY with your actual key:
curl -X POST https://getpromptgen.com/api/v1/generate \
-H "Authorization: Bearer sb_live_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"task": "Explain quantum computing to a 10-year-old"}'The response includes your ready-to-use prompt in the prompt field:
{
"prompt": "You are a friendly science teacher explaining complex topics...",
"quality_score": 9.1,
"calls_remaining_today": 9
}Paste prompt directly into Claude, ChatGPT, or Gemini — or pass it to any LLM SDK.
Free accounts get 10 API calls per day. Each response tells you how many you have left via calls_remaining_today. Upgrade to Pro for 500 calls/day.
By default, PromptGen uses Anthropic Claude to generate your prompt. You can switch with the provider field:
{"task": "...", "provider": "openai"} // uses GPT-4o
{"task": "...", "provider": "gemini"} // uses Gemini
{"task": "...", "provider": "anthropic"} // default