Average of the sum of the base fee and priority fee in USD that day
cURL
curl --request GET \ --url https://api.blockworks.com/v1/metrics/transaction-fee-avg-usd \ --header 'x-api-key: <api-key>'
{ "projectName": [ { "date": "2025-08-10", "value": 123456.789 }, { "date": "2025-08-11", "value": 234567.89 }, { "date": "2025-08-12", "value": 345678.901 } ] }
curl -H "x-api-key: YOUR_API_KEY" \ "https://api.blockworks.com/v1/metrics/transaction-fee-avg-usd?project=katana"
{ "katana": [ { "date": "2025-11-19", "value": 0.009360320045243252 }, { "date": "2025-11-18", "value": 0.04702927774998391 }, { "date": "2025-11-17", "value": 0.00955265234114253 }, { "date": "2025-11-16", "value": 0.009329800239501104 }, { "date": "2025-11-15", "value": 0.004669774622834891 }, { "date": "2025-11-14", "value": 0.009789957762739828 } ] }
Project slug (comma-separated for multiple).
arbitrum
base
ethereum
katana
solana
"arbitrum"
Start date (YYYY-MM-DD)
End date (YYYY-MM-DD)
OK