# Gold Standard Carbon Registry Search

> Gold Standard Carbon Registry Search is a paid API for AI agents from api.tradeenergy-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).

Search the Gold Standard carbon registry for credit batches or projects, returning serial numbers, vintages, CORSIA eligibility, and project metadata.

## Facts

- Endpoint: GET https://api.tradeenergy-api.workers.dev/api/energy/gold-standard-credits?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gold-standard-carbon-registry-search-fbc1285d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jsAx6NipOH-xPEaLcWI6G

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 gold-standard-carbon-registry-search-fbc1285d
```

Example prompt: Search the Gold Standard carbon registry for cookstove projects in Kenya — show me the credit batches with their serial numbers, vintages, and whether they're CORSIA eligible, page 1 with 20 results.

## When to prefer this

Use this endpoint when you need to query the Gold Standard voluntary carbon registry specifically — for credit batch serial numbers, CORSIA eligibility checks, project developer and SDG metadata, or vintage-level credit inventories. Prefer this over generic carbon registry tools when the user explicitly references Gold Standard certified projects or needs GS-specific fields like GS IDs, monitoring periods, or the assurance platform document links.

## Known failure modes

- No results returned for obscure or misspelled query terms
- Pagination beyond available pages returns empty batch arrays
- Invalid 'view' parameter value may default to credits or return an error
- Rate limiting or upstream Gold Standard API unavailability causes timeout
- Limit values outside 1–50 range may be rejected or clamped

## How this service works

Gold Standard carbon registry search. view=credits: credit batches with serial number, credits, vintage, monitoring period, certified date, status, CORSIA eligibility and project, plus total batches and credits. view=projects: GS ID, name, status, type, size, country, developer, methodology, annual credits, crediting period, SDGs and document link. Free-text search over names.

## Output

Returns a paginated JSON object with either credit batch records (serial number, credits, vintage, monitoring period, certified date, CORSIA eligibility, and nested project metadata) or project records (GS ID, name, status, type, size, country, developer, methodology, annual credits, crediting period, SDGs, and document URL), plus total batch/credit counts and the upstream Gold Standard API source URL.

## 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",
     "properties": {
      "page": {
       "type": "string",
       "description": "Page number from 1 (default 1)"
      },
      "view": {
       "type": "string",
       "description": "credits (default) or projects"
      },
      "limit": {
       "type": "string",
       "description": "Rows per page, 1 to 50 (default 20)"
      },
      "query": {
       "type": "string",
       "description": "Optional free-text search, e.g. cookstove, wind, Kenya"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "page": 1,
  "view": "credits",
  "count": 5,
  "query": "cookstove",
  "total": 12679,
  "source": "https://public-api.goldstandard.org/credits?query=cookstove&page=1&size=5",
  "batches": [
   {
    "status": "ISSUED",
    "credits": 15,
    "project": {
     "id": "3111",
     "gsId": "GS11156",
     "name": "GS5658 VPA 39: Fuel-efficient cookstoves for the resilience of rural communities in Burundi",
     "size": "Micro Scale",
     "type": "Energy Efficiency - Domestic",
     "status": "GOLD_STANDARD_CERTIFIED_PROJECT",
     "country": "Burundi",
     "sdgGoals": [],
     "developer": "Carbonsink (Carbonsink Group S.r.l.)",
     "countryCode": "BI",
     "methodology": null,
     "carbonStream": "GS_VER",
     "documentsUrl": "https://assurance-platform.goldstandard.org/project-documents/GS11156",
     "creditingPeriod": {
      "end": "2028-01-01",
      "start": "2023-01-02"
     },
     "estimatedAnnualCredits": 7699
    },
    "vintage": "2024",
    "serialNumber": "GS1-1-BI-GS11156-16-2024-31159-1-15",
    "certifiedDate": "2026-10-23",
    "corsiaEligible": false,
    "monitoringPeriod": {
     "end": "2024-01-01",
     "start": "2023-01-02"
    }
   },
   {
    "status": "ISSUED",
    "credits": 5503,
    "project": {
     "id": "3111",
     "gsId": "GS11156",
     "name": "GS5658 VPA 39: Fuel-efficient cookstoves for the resilience of rural communities in Burundi",
     "size": "Micro Scale",
     "type": "Energy Efficiency - Domestic",
     "status": "GOLD_STANDARD_CERTIFIED_PROJECT",
     "country": "Burundi",
     "sdgGoals": [],
     "developer": "Carbonsink (Carbonsink Group S.r.l.)",
     "countryCode": "BI",
     "methodology": null,
     "carbonStream": "GS_VER",
     "documentsUrl": "https://assurance-platform.goldstandard.org/project-documents/GS11156",
     "creditingPeriod": {
      "end": "2028-01-01",
      "start": "2023-01-02"
     },
     "estimatedAnnualCredits": 7699
    },
    "vintage": "2023",
    "serialNumber": "GS1-1-BI-GS11156-16-2023-31158-1-5503",
    "certifiedDate": "2026-10-23",
    "corsiaEligible": false,
    "monitoringPeriod": {
     "end": "2024-01-01",
     "start": "2023-01-02"
    }
   }
  ],
  "checkedAt": "2026-10-23T09:38:20.569Z",
  "totalCredits": 60761544
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gold-standard-carbon-registry-search-fbc1285d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.tradeenergy-api.workers.dev](https://www.zero.xyz/host/api.tradeenergy-api.workers.dev/llms.txt)