Customer acquisition cost, lifetime value, LTV:CAC ratio and payback months.
Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.
| Parameter | Type | Required | Description |
|---|---|---|---|
marketing_spend | number | optional | Total sales+marketing spend in the period, USD |
new_customers | number | required | New customers acquired in the period |
arpu_monthly | number | optional | Average monthly revenue per customer, USD |
gross_margin_pct | number | optional | Gross margin percent on that revenue (default 100) |
monthly_churn_pct | number | optional | Monthly logo/revenue churn percent |
curl -s https://wingmanprotocol.com/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "cac_ltv", "arguments": {"new_customers": 100}}}'curl -s https://wingmanprotocol.com/tools/cac_ltv \
-H 'Content-Type: application/json' \
-d '{"new_customers": 100}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/cac_ltv from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).