CommunicationSandbox · bring your own key

Test “Price Increase Notice” with your own key

Paste an Anthropic, OpenAI, or OpenRouter key. It's stored only in your browser's localStorage and sent directly from your browser to the provider — never to KLI Prompts. We have no backend that can see it.

How this works (honestly)

  • Your key lives in localStorage on this device only.
  • The HTTP request to the LLM goes from your browser straight to api.anthropic.com / api.openai.com / openrouter.ai.
  • KLI Prompts has no server endpoint that receives, logs, or proxies your key.
  • Clear it any time — there's a button below.

Step 1 · Provider

Recommended for this prompt: any · temperature 0.4

Step 2 · Your API key

Saved to localStorage on this device. Never sent to KLI servers.

Step 3 · Fill the variables

Final prompt (sent to anthropic)

You are a professional business communications writer. Write a price increase notification email for the following situation:

Company Name: {{company_name}}
Product/Service Name: {{product_name}}
{{current_price}}
New Price: {{new_price}}
Effective Date: {{effective_date}}
{{reason_for_increase}}
{{value_added}}
{{notice_lead_time}}

Write a professional, empathetic price increase notification email that:
1. Clearly states the price change and when it takes effect
2. Explains the reason(s) honestly and positively
3. Highlights value delivered and upcoming improvements
4. Maintains customer trust and goodwill
5. Includes a clear call to action if needed

Respond with valid JSON only in this exact format (no markdown, no code block):
{"subject": "email subject line here", "body": "full email body here with \\n for newlines"}

Output — will stream here

Nothing yet. Fill in variables and click Run.

Prompt slug: price-increase-notice

Prefer copy-paste? Back to the prompt page →