Structured Output
Consistent JSON response: intro line, three subjects, template body, placeholders, confidence score.
Personalized outbound emails from a simple API.
Cold Web Mail API generates homepage-specific email intros, subject lines, and templated bodies with placeholders like {{first_name}}. Built for agencies and B2B teams that need speed without generic copy.
What You Get
Built-in Safety Limits
URL validation, content-type filtering, text truncation, and download caps to reduce abuse and bad inputs.
Billing Ready
Stripe checkout + webhook provisioning creates API keys automatically after successful payment.
Quick Technical Details
Base URL: https://api.coldwebmail.com
Endpoints: POST /generate, GET /health
Auth: API key in x-api-key header
Status: Live