# Services from garden-calc.x402tookit.com on Zero

> garden-calc.x402tookit.com serves 8 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/garden-calc.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/garden-calc.x402tookit.com/health.json

## Services

- [Garden Calculators – Growing Degree Days](https://www.zero.xyz/c/garden-calculators-growing-degree-days-b74c231b/llms.txt): $0.02/call via x402. Calculates daily and cumulative growing degree days (GDD) from daily temperature min/max pairs, with configurable base temperature, upper cutoff, and crop presets.
- [Garden Calculators – Soil/Mulch Volume Calculator](https://www.zero.xyz/c/garden-calculators-soil-mulch-volume-calculator-c89f82ca/llms.txt): $0.02/call via x402. Calculates the volume of soil or mulch needed to fill a rectangular or circular garden bed, returning cubic feet, cubic yards, litres, and bag count with settling allowance and optional mix-ratio breakdown.
- [Garden Calculators – Planting Date Calendar](https://www.zero.xyz/c/garden-calculators-planting-date-calendar-577a93c5/llms.txt): $0.02/call via x402. Calculates specific calendar dates for gardening tasks (e.g. starting seeds indoors, transplanting) based on a frost date and weeks-before/after offsets.
- [Garden Calculators – Plant Spacing](https://www.zero.xyz/c/garden-calculators-plant-spacing-cc99d3cd/llms.txt): $0.02/call via x402. Calculates how many plants fit in a garden bed at a given spacing (grid or offset layout) and how many seeds to sow based on germination rate.
- [Garden Calculators – Compost C:N Ratio](https://www.zero.xyz/c/garden-calculators-compost-c-n-ratio-50b7f5a8/llms.txt): $0.02/call via x402. Calculates the carbon-to-nitrogen ratio of a compost mix using the Cornell formula, or determines greens-to-browns quantities needed to hit a target C:N ratio.
- [Garden Calculators – Drip Irrigation Calculator](https://www.zero.xyz/c/garden-calculators-drip-irrigation-calculator-1c5dedba/llms.txt): $0.02/call via x402. Calculates weekly water volume, system flow rate, and run time per watering session for a drip irrigation system given area, target inches per week, emitter count, and emitter flow rate.
- [Garden Calculators – Frost Risk](https://www.zero.xyz/c/garden-calculators-frost-risk-2040665c/llms.txt): $0.02/call via x402. Returns the freeze class of a forecast overnight low against plant hardiness, and indicates where a given date falls relative to average frost dates.
- [Garden Calculators – Fertilizer Rate Calculator](https://www.zero.xyz/c/garden-calculators-fertilizer-rate-calculator-cf61a96b/llms.txt): $0.02/call via x402. Calculates the fertilizer product quantity needed to hit a target nutrient rate (N, P₂O₅, or K₂O) per 1000 sq ft, returning total product weight, bags needed, and actual nutrients delivered.

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

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