Build with ZeroCarbon API
Complete guide to integrating with our carbon accounting platform. Submit emissions data, retrieve analytics, and build powerful climate solutions.
Who This Is For
Our API is built for developers and platforms that need programmatic access to carbon accounting infrastructure.
Climate Platforms
Integrate carbon accounting into your sustainability platform or ESG solution
Marketplaces
Add verified carbon credit trading and offsetting to your marketplace
SaaS Tools
Embed emissions tracking in HR, procurement, or operations software
Fintech / ERP
Connect carbon data to financial systems and enterprise resource planning
Use Cases: Automated emissions ingestion from IoT devices • Real-time carbon footprint calculations • Compliance report generation • Carbon credit procurement • Supply chain emissions tracking
Get Started in 3 Steps
From API key to first request in under 5 minutes
Get API Key
Sign up and generate your API key from the API Keys page in one click
API_KEY=zc_live_abc123...Add Authentication
Include your API key in the Authorization header of all requests
Authorization: Bearer YOUR_KEYMake Your First Request
Start submitting emissions data or retrieve analytics from your dashboard
Authentication
Secure your API requests with bearer token authentication
All API requests must include an Authorization header with your API key:
Authorization: Bearer YOUR_API_KEY_HERE⚠️ Security Note: Never expose your API keys in client-side code or public repositories. Always use environment variables.
API Endpoints
Submit and retrieve emissions data with our REST API
/api/v1/company/emissions/submitSubmit emissions data to your company account.
Request Body:
{
"scope": 1,
"source": "electricity",
"value": 1500,
"unit": "kWh",
"activity_date": "2026-01-07",
"location": "Mumbai, India"
}Response:
{
"success": true,
"emission": {
"id": "em_abc123",
"scope": 1,
"value_tco2e": 1.23,
"created_at": "2026-01-07T12:00:00Z"
}
}/api/v1/company/emissionsRetrieve emissions data and analytics for your company.
Query Parameters:
start_date- Start date (YYYY-MM-DD)end_date- End date (YYYY-MM-DD)scope- Filter by scope (1, 2, or 3)
Response:
{
"success": true,
"emissions": [
{
"id": "em_abc123",
"scope": 1,
"source": "electricity",
"value_tco2e": 1.23,
"activity_date": "2026-01-07",
"created_at": "2026-01-07T12:00:00Z"
}
],
"total_tco2e": 1.23
}SDKs & Libraries
Official SDKs for popular languages (Coming Soon)
Node.js SDK
Official Node.js SDK for easy integration with TypeScript support.
npm i zerocarbon-nodejs-sdkPython SDK
Official Python SDK for data science workflows and analytics.
pip install zerocarbonRate Limits
Flexible limits to match your integration needs
Note: Rate limits are applied per API key. Contact us for custom rate limits.