# Soil Carbon Systems Registry

> Soil Carbon Systems Registry is a paid API for AI agents from www.robbiegeorgephotography.com, paid per call via x402, $5/call, status unknown (last checked 2026-10-11).

Returns a machine-readable registry of soil carbon systems, covering soil organic matter, root carbon pathways, mycorrhizal carbon, microbial carbon pumps, soil aggregates, humus formation, carbon stabilization, soil respiration, and carbon sequestration.

## Facts

- Endpoint: GET https://www.robbiegeorgephotography.com/x402/soil-carbon-systems-registry.json?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/soil-carbon-systems-registry-aba0b079
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hEhdU4btewE-ZVCSDJVY7

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 soil-carbon-systems-registry-aba0b079
```

Example prompt: Pull the full Soil Carbon Systems registry from Naturepedia — I need structured data covering soil organic matter, mycorrhizal carbon, microbial carbon pumps, humus formation, and carbon sequestration pathways.

## When to prefer this

Choose this endpoint when you need a comprehensive, machine-readable, entity-resolved registry specifically covering soil carbon systems — including mycorrhizal carbon, microbial carbon pumps, humus formation, and soil carbon sequestration — rather than general ecology or atmospheric carbon data. It is ideal for agents building carbon accounting tools, conducting soil science research, or constructing knowledge graphs about belowground carbon processes.

## Known failure modes

- Missing or invalid 'resource' query parameter returns an error or empty response
- Payment not fulfilled (x402 protocol) results in a 402 Payment Required response
- Invalid resource URL returns a resource-not-found error
- Network timeout if the registry data is large or the server is slow
- Malformed JSON-LD output if the registry has data integrity issues

## How this service works

Paid machine-readable Soil Carbon Systems registry connecting soil organic matter, root carbon pathways, mycorrhizal carbon, microbial carbon pumps, soil aggregates, humus formation, carbon stabilization, soil respiration, carbon sequestration in soil, and regenerative soil carbon.

## Output

A JSON-LD structured registry object containing a list of soil carbon system entries, each describing processes such as soil organic matter dynamics, root carbon pathways, mycorrhizal carbon networks, microbial carbon pumps, soil aggregates, humus formation, carbon stabilization mechanisms, soil respiration, and regenerative soil carbon sequestration. Includes context metadata, name, description, canonical keep count, and duplicate-removed count.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "resource"
     ],
     "properties": {
      "resource": {
       "type": "string",
       "description": "Canonical Naturepedia x402 resource URL"
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "required": [
      "@context",
      "@type",
      "name",
      "description",
      "systems"
     ],
     "properties": {
      "name": {
       "type": "string"
      },
      "@type": {
       "type": "string"
      },
      "systems": {
       "type": "array",
       "items": {
        "type": "object"
       }
      },
      "@context": {
       "type": "string"
      },
      "description": {
       "type": "string"
      },
      "canonicalKeepCount": {
       "type": "number"
      },
      "duplicateRemovedCount": {
       "type": "number"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/soil-carbon-systems-registry-aba0b079/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.robbiegeorgephotography.com](https://www.zero.xyz/host/www.robbiegeorgephotography.com/llms.txt)