# Services from pricing-math.x402tookit.com on Zero

> pricing-math.x402tookit.com serves 9 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/pricing-math.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pricing-math.x402tookit.com/health.json

## Services

- [Pricing Math – Break-Even Analysis](https://www.zero.xyz/c/pricing-math-break-even-analysis-cb2f2b4c/llms.txt): $0.02/call via x402. Calculates break-even units and revenue from fixed costs, price, and variable cost per unit, with an optional profit target.
- [Pricing Math – Charm Price Rounding](https://www.zero.xyz/c/pricing-math-charm-price-rounding-cb6bc46f/llms.txt): $0.02/call via x402. Rounds a raw price to a charm ending (e.g. .99, .95, .5) or step-based ending (e.g. 9 at end of tens), in the nearest, up, or down direction.
- [Pricing Math – SaaS Subscription Metrics Calculator](https://www.zero.xyz/c/pricing-math-saas-subscription-metrics-calculator-279005a3/llms.txt): $0.02/call via x402. Calculates MRR, ARR, average customer lifetime, annualised churn, and LTV from customer count, ARPU, and monthly churn rate, with optional CAC payback and LTV:CAC ratio.
- [Pricing Math – Tiered Quantity Pricing Calculator](https://www.zero.xyz/c/pricing-math-tiered-quantity-pricing-calculator-98c2cf68/llms.txt): $0.02/call via x402. Calculates total cost and average unit price for a given quantity under graduated (per-band) or volume (all-units-at-reached-tier) pricing tiers defined as minQty:unitPrice pairs.
- [Pricing Math – Tax Split](https://www.zero.xyz/c/pricing-math-tax-split-c98d81ec/llms.txt): $0.02/call via x402. Splits a tax-inclusive (gross) price into net and tax amounts, or adds tax to a net price, given a user-supplied tax rate percentage.
- [Pricing Math: Markup-Margin Converter](https://www.zero.xyz/c/pricing-math-markup-margin-converter-c032fd61/llms.txt): $0.02/call via x402. Converts between markup percentage and margin percentage, and calculates selling price from cost plus one of markup, margin, or price.
- [Pricing Math – Stacked Discount Calculator](https://www.zero.xyz/c/pricing-math-stacked-discount-calculator-86fc5c03/llms.txt): $0.02/call via x402. Calculates the final price and effective discount when percentage discounts are applied sequentially (stacked), and compares that to a simple additive total of the same discounts.
- [Pricing Math – Bundle Price Calculator](https://www.zero.xyz/c/pricing-math-bundle-price-calculator-cb8b70bf/llms.txt): $0.02/call via x402. Calculates bundle price, customer savings, savings percentage, and bundle margin from a list of individual item prices plus either a discount percentage or a fixed bundle price.
- [Pricing Math: Fee-Inclusive Price Calculator](https://www.zero.xyz/c/pricing-math-fee-inclusive-price-calculator-a93df138/llms.txt): $0.02/call via x402. Calculates the gross price to charge customers so that after deducting a percentage fee and a fixed fee, you retain a specified net amount.

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)
