# Services from business-utils-agent.up.railway.app on Zero

> business-utils-agent.up.railway.app serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/business-utils-agent.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/business-utils-agent.up.railway.app/health.json

## Services

- [Business Utils Agent – KPI Calculator](https://www.zero.xyz/c/business-utils-agent-kpi-calculator-a83d222d/llms.txt): $0.01/call via x402. Calculates business KPIs such as ROI, profit margin, customer acquisition cost, and churn rate from raw business metrics, returning formulas, values, and plain-English explanations.
- [Business Utils Agent – ROI Calculator](https://www.zero.xyz/c/business-utils-agent-roi-calculator-f28cdfd8/llms.txt): $0.005/call via x402. Calculates Return on Investment (ROI) given a cost and a gain, returning the ROI ratio and percentage.
- [Business Utils Agent – Profit Margin Calculator](https://www.zero.xyz/c/business-utils-agent-profit-margin-calculator-c267ecb8/llms.txt): $0.005/call via x402. Calculates profit margin as a decimal ratio and percentage given net profit and total revenue figures
- [Business Utils Agent - Churn Rate Calculator](https://www.zero.xyz/c/business-utils-agent-churn-rate-calculator-f971cb6c/llms.txt): $0.005/call via x402. Calculates the customer churn rate for a given period based on customers lost and starting customer count
- [Business Utils Agent – Business Plan Review](https://www.zero.xyz/c/business-utils-agent-business-plan-review-121e9a28/llms.txt): $0.069/call via x402. Analyzes a business plan document using AI to identify strengths, weaknesses, and actionable improvement suggestions, with optional focus on specific sections.
- [Customer Acquisition Cost (CAC) Calculator](https://www.zero.xyz/c/customer-acquisition-cost-cac-calculator-1baddd9c/llms.txt): $0.005/call via x402. Calculates the Customer Acquisition Cost (CAC) KPI by dividing total acquisition spend by the number of customers acquired.
- [Business Utils Agent](https://www.zero.xyz/c/business-utils-agent-2f0f7f6e/llms.txt): $0.0015/call via x402. Returns a full service description of available business utility endpoints including KPI, ROI, margin, CAC, churn, and AI business plan review capabilities

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)