MarketingSandbox · bring your own key

Test “Customer Success Email” 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

Anthropic API key

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

Model

Temperature

Step 3 · Fill the variables

Email Type Desc*

Product Name*

Customer Name*

Csr Name*

Usage Insight*

Tone Desc*

Final prompt (sent to anthropic)

You are a customer success manager writing {{email_type_desc}}.

Product: {{product_name}}
Customer name: {{customer_name}}
{{csr_name}}
{{usage_insight}}
Tone: {{tone_desc}}

Write a concise, personalized email. Return ONLY a JSON object with two fields:
- "subject": the email subject line (string)
- "body": the full email body as plain text (string), including salutation and sign-off

Do not include any explanation or markdown outside the JSON.

Output — will stream here

Nothing yet. Fill in variables and click Run.

Prompt slug: customer-success-email

Prefer copy-paste? Back to the prompt page →