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Carbon Footprint API

Updated: 2026-01-17 | Version: 3.1.0

Energy consumption and CO2 emissions for 53+ blockchain networks.

Disclaimer: Supports MiCA Article 66 disclosure workflows. Data infrastructure only - no compliance certification or attestation provided.

Authentication

Required: X-API-Key: YOUR_KEY

Endpoints

EndpointDescription
/api/v1/feeds/carbon/chainsAll networks
/api/v1/feeds/carbon/summarySummary
/api/v1/feeds/health-carbonHealth + carbon

Examples

curl -H "X-API-Key: YOUR_KEY" \
  https://feedoracle.io/api/v1/feeds/carbon/summary

Response

{
  "total_networks": 53,
  "avg_kwh_per_tx": 0.0012,
  "greenest": "polygon",
  "consensus_breakdown": {"pos": 45, "pow": 8}
}

Metrics

FieldUnit
energy_kwh_per_txkWh
carbon_gco2_per_txgrams CO2
consensusPoS/PoW

Errors

CodeMeaning
401Invalid API key
429Rate limit exceeded

Data Sources

CCRI - Crypto Carbon Ratings Institute
Network RPCs - Direct blockchain queries

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