# HarvestPulse Food Preservation Guide

> HarvestPulse Food Preservation Guide is a paid API for AI agents from harvestpulse.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).

Returns step-by-step home food preservation guides covering canning, fermenting, dehydrating, freezing, and pickling with USDA safety guidelines

## Facts

- Endpoint: GET https://harvestpulse.vercel.app/api/harvest/food-preservation
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/harvestpulse-food-preservation-guide-15a675a7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NMn7NBKO2dyquN7DjFdef

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability harvestpulse-food-preservation-guide-15a675a7
```

Example prompt: Can you walk me through a safe, USDA-approved step-by-step process for home canning tomatoes using a water bath method — I want to make sure I'm following proper food safety guidelines?

## When to prefer this

Choose this endpoint when an agent or user needs authoritative, USDA-backed home food preservation instructions for homesteading, local food, or self-sufficiency use cases. Prefer over generic web search when structured, safety-vetted step-by-step guides are needed for canning, fermenting, dehydrating, freezing, or pickling.

## Known failure modes

- Unsupported preservation method or food type returns an error or empty result
- Missing or invalid query parameters may return a generic or null response
- Service unavailable if Vercel deployment is down or cold-starting
- Payment failure (x402) if USDC wallet is not funded or payment header is missing

## How this service works

Food preservation guide — how to preserve produce: step-by-step home canning, fermenting, dehydrating, freezing, and pickling for any crop, with USDA food-safety guidelines, yields, and shelf life. For homesteading and local-food agents.

## Output

A structured step-by-step guide for the requested food preservation method (canning, fermenting, dehydrating, freezing, or pickling), including USDA safety guidelines, processing times, equipment requirements, and food safety warnings relevant to the specified food or method.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "lang": {
       "type": "string"
      },
      "method": {
       "type": "string"
      },
      "produce": {
       "type": "string"
      },
      "quantity": {
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "errors": {
     "type": "object",
     "description": "Documented error responses, keyed by HTTP status code",
     "additionalProperties": {
      "type": "object",
      "required": [
       "description"
      ],
      "properties": {
       "example": {
        "type": "object"
       },
       "description": {
        "type": "string"
       }
      }
     }
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "method": "canning",
  "produce": "tomatoes",
  "shelf_life": "12-18 months in a cool, dark pantry",
  "safety_rating": "beginner-safe",
  "yield_estimate": "7-8 quarts from a half-bushel",
  "critical_safety_rules": [
   "Use only tested USDA recipes — homemade recipes may not be safe",
   "Add lemon juice or citric acid to adjust pH — low-acid tomatoes risk botulism"
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/harvestpulse-food-preservation-guide-15a675a7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from harvestpulse.vercel.app](https://www.zero.xyz/host/harvestpulse.vercel.app/llms.txt)