Energy Gold Standard Credits

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

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.tradeenergy-api.workers.dev/api/energy/gold-standard-credits?limit=5&query=cookstove&view=credits'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.tradeenergy-api.workers.dev/api/energy/gold-standard-credits?limit=5&query=cookstove&view=credits' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.tradeenergy-api.workers.dev%2Fapi%2Fenergy%2Fgold-standard-credits
const res = await pay("https://api.tradeenergy-api.workers.dev/api/energy/gold-standard-credits?limit=5&query=cookstove&view=credits");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.tradeenergy-api.workers.dev/api/energy/gold-standard-credits?limit=5&query=cookstove&view=credits")
    print(res.status_code, res.text)